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1. Photonic Solutions Ltd Unit A 40 Captains Road Edinburgh EH17 8QF t 44 131 664 8122 f 44 131 664 8144 www photonicsolutions co uk sales photonicsolutions co uk FEMTOSECOND OPA BASED ON SUCCESSFUL TOPAS DESIGN PRODUCING TUNEABLE FEMTOSECOND OUTPUT fg Pumped by Pharos f Tuning from 210nm to beyond 16 microns P High conversion efficiency P Full computer control P Repetition rate to 1MHz MAY 2012 ELECTRO OPTICS NEWS For the latest technology news from the photonics industry go to www electrooptics com technology Ferdinand Braun Institute wins Transfer Prize for very efficient diode lasers The Ferdinand Braun Institute has been awarded the Transfer Prize WissensWerte for development of high power diode lasers for materials processing The Institute collaborated with Jenoptik s diode laboratory to create novel designs that achieve an efficiency of 63 per cent at an output power of 12W compared to today s diode lasers that deliver around 10W The next step for the research is to achieve up to 20W while maintaining the level of efficiency and beam quality The Transfer Prize is worth 50 000 euros JK Lasers improves Alumina ceramic processing JK Lasers has developed a method of processing Alumina ceramic Al 0 a material that is prone to thermal stress Using JK Lasers single mode 200W fibre laser JA2ZOOFL a high standard of finish could be achieved with Al
2. and we favour this technology right now but it can also be done by ultra short pulse lasers says the projects leader Sebastian Heidrich Despite silica s transparency at wavelengths of i the far infrared its ablation is possible with i an ultra short pulse laser at the wavelength of i 1030nm Throughout this three stage process i geometry and shape accuracy is measured i The temperature of the glass also has to be controlled very precisely This is achieved with a pyrometer that adjusts the laser power accordingly With the resulting improved surface Heidrich s researchers expect multiple spherical i optics to be replaced by one aspherical lens The i advantage of this is that it will reduce the system weight substantially ELECTRO OPTICAL PRODUCTS CORP TEL 718 456 6000 e FAX 718 456 6050 www EOPC com Scanners amp Deflectors e Resonant Scanners e Beam Deflectors e Scanning Systems e X Y Raster Scanners Choppers amp Modulators e Tuning Fork Choppers e Low Frequency Choppers e Rotating Choppers e AO amp EO Modulators e AOTF e Chopping Systems e Modulating Systems bey ELECTRO OPTICS MAY 2012 Breakthrough practical energy saving solutions for OEM customers worldwide Products are suitable for long life dedicated applications OEM built into an instrument or portable systems www electrooptics com Does your laser scanning system have the accu
3. and others The Tops version will only work with the Standard and Premium editions of Oslo but Tops __ edu will work with Oslo Edu and Oslo Light Both will generate an error function which can be used off the shelf for rapid improvement of many types of rotationally symmetric lenses or tailored to finalise the design by adjustment of weights and targets www lambdares com www electrooptics com ET Enterprises electron tubes amp ADIT Photomultipliers from ET Enterprises and ADIT Electron Tubes Need to detect light down to single photon level Need dark counts as low as a few cps without cooling 2 or more Need a detection area of up to 200cm If the answer is yes to any of these questions then ET Enterprises and sister company ADIT Electron Tubes in the US may have the answer with their range of photomultipliers and associated electronics and hardware Photomultipliers have always offered significant performance advantages over other types of low level light detection devices and this is as true today as ever before But what has changed is that photomultipliers are now much easier to use due to the wide range of ready to use associated electronics and HV supplies and modular analogue and photon counting systems in many cases operating from low voltage Examples of how we can make using photomultipliers easier e Sockets and voltage dividers for almost any photomultiplier type and application
4. 156 7nm for welding applications the next step is to increase the power spot sizes to overcome industry demands for positioning accuracy The lasers will also need tophat beam profiles to achieve the necessary spot sizes during welding Polybright s total budget is 10 2 million with 3 6 million from industry and 6 6 million of government funding Polybright started in October 2010 with 18 partners from nine countries Its aim is to develop high power high brilliance lasers with wavelengths between 1500 and 1900nm which are absorbed by polymers According to Polybright s website the project will end in September 2013 Double laser spectroscopy can Fos deliver more data say researchers Chemical and biological agents could be rapidly identified from a distance by zapping them with a quantum cascade laser and then analysing the target s response with a second laser according to researchers at the US government s Department of Energy Oak Ridge National Laboratory ORNL Called photothermal spectroscopy this technique that the researchers have developed uses probe beam reflectometry which minimises the need for wavelength dependent expensive infrared components such as cameras telescopes and detectors This proof of principle success could lead to advances in standoff detectors with potential applications in quality control forensics airport security medicine and the military With two
5. and signal to noise ratio Ocean has added _ housing while measuring only 25 x 25 x i 40mm contains not only the laser diode with i collimation optics but also the controller The i maximum output power is up to 100mW No i additional power supply unit is necessary i because the module is powered over a USB i connection The USB port also provides i a computer interface for monitoring and i manipulating the operating parameters of i the laser modules which come with the i Nano control software for Windows All the i commands for programming the interface are i described in detail in the user manual www qioptiq com OptiCentric Max UltraPrecision The Ultimate Solution for Alignment Assembly nm wl and Final Inspection of Microlithography Optics i iP e All granite all air bearing construction provides exceptional rigidity and thermal stability smooth motion and unrivaled accuracy e t features ultra accurate measurement of centration error lens center thickness and air spacing e Additional alignment unit equipped with heavy duty piezoelectric actuators provides automated alignment with submicron accuracy e Specifically designed for microlithography and space optics with diameter up to 800 mm height 2 000 mm and weight 1 500 kg Gy TRIOPTICS www trioptics com Yelechnologies www aptechnologies co uk Laser Diode Solutions We supply high performance visible and NIR Fabry Perot Distri
6. and operating temperatures range from 40C to 100C www optodiode com Small is low cost for laser _ module dot series Laser Components Low Cost Laser Module Dot LC LMD series offer competitive inexpensive and one of the smallest designs available 2 worldwide The LC LMD series are low cost modules for the consumer market where the high demand is coupled with a need for reduced prices The smallest LC LMD laser module measures just 3 3mm x 7mm long while others include focusing optics coaxial alignment and other useful parameters In addition to the 650nm modules already introduced 635nm 78Onm and 850nm 2 wavelength modules are also available www lasercomponents co uk Installers of Laser Safety Systems Optoblok Optical Table Laser Guarding System Roller Blinds Enclosures Laser Blocking Curtains Screens and Roller Blinds Certified to EN60825 4 7 Laser Jailer Active and Passive Laser Enclosures Interlocks LED Warning Signs High quality high performance dual message lasermet laser safety solutions Network Capable Interlock Controllers ICS15 XM British Design Manufacture and Installation to Laser Tel 44 0 1202 770740 salesfalasermet com www lasermet com Safety Standards Laser safety eyewear laser power meters beam shutters certified laser blocking curtains and screens filter windows laser safety software be ELECTRO OPTICS MAY 20
7. devastating for most lasers Mitchell adds that customers are looking for a single frequency laser so they can get the highest possible resolution Laser Quantum has an actively locked single frequency laser that has solved those problems but with size and weight being key considerations a multimode laser allows for a far more compact solution and these are inherently more stable than single frequency lasers in terms of both wavelength and power says Mitchell but he warns for portable spectrometers Raman single frequency lasers often don t behave very well unless actively mode locked they can drift across large wavelength ranges and mode hop and it becomes very difficult to get repeatable results A multimode laser with a bandwidth of 30GHz over one wavenumber will give excellent repeatability www electrooptics com albeit at slightly lower resolution With an unlocked single i frequency laser it is possible to get i a drift across 1 2 wavenumbers for just a plus or minus one i degree temperature change With a multimode laser you can get 5pm repeatability across 20 degree i temperature range Multimode lasers also have TECHNOLOGY SPECTROSCOPY _ better shock resistance as intra _ cavity alignment is less critical Mitchell explains that for Raman i spectrometer applications 785nm has been the traditional wavelength i but now the industry is seeing increasing interest in 532nm a usefu
8. fibre optic cable The energy consumption of the 2001 machine is considerably less than a CO laser the electrical connected load is very very low at 26kVA said Trumpf UK s sales manager Nick Namjanovic speaking at the company s press day on 28 March The Trulaser 1030 is being aimed at users that would previously have used CO laser systems The Trulaser 5040 has a working area of 4000 x 2000mm and the option of either the 3001 TruDisk laser with a 3kW laser or the new 5001 TruDisk which has a 5kW laser Aimed at thin sheet metal processing the 5001 which will consume up to 58kW will cut 25mm mild steel 10mm copper and brass and 20mm stainless steel and aluminium Compared to the 3001 the 5001 delivers cutting speed increases which are 40 to 100 per cent faster In November Trumpf UK will have a 5030 machine on show with 5kW disk laser installed LightPath Technologies signs 1 1m IR optics research contract LightPath Technologies has entered into a 1 1 million research and development contract with Raytheon Vision Systems to develop low cost manufacturing processes for infrared optics The IR optics research is part of the US government s Defense he ELECTRO OPTICS MAY 2012 even lower cost materials and Advanced Research Projects Agency s Low Cost Thermal Imaging Manufacturing LCTI M programme The goal of LCTI M is to develop a wafer scale manufacturing process that will
9. group Photonics21 expects such a public private partnership to create an additional 70 000 to 100 000 jobs for the EU economy Photonics21 wants the partnership to help industry overcome the problems of developing a technology from concept to product Known as the valley of death photonics innovation can fail during the development stages between a successful laboratory demonstration and pilot scale industrial deployments which starts to create jobs 6 5 million project to exploit Terahertz lasers and microwave photonics A 6 5 million project is to exploit Terahertz THz quantum cascade lasers microwave photonics and THz quantum state control to open up the THz spectrum for widespread scientific and commercial applications Funded by the UK government s Engineering and Physical Sciences Research Council the project s goal is to solve the problems e ELECTRO OPTICS MAY 2012 of complexity bulk high power consumption and lack of coherence that have stopped the exploitation of the THz spectrum The THz frequency region is the last largely unexploited part of the electromagnetic spectrum The benefits from overcoming these obstacles are expected to be a thousand fold enhancement in the bandwidth available to untethered devices advanced biomedicine imaging technology and optically controlled gates in silicon for quantum information processing The project s principal investigator is profes
10. lasers one serves as the pump and the other is the probe said Ali Passian a member of ORNL s measurement science and systems engineering division The novel aspect to our approach is that the second laser extracts information and provides a robust Operating principle of photothermal spectroscopy using a quantum cascade laser and stable readout approach independent of the pump laser settings This new type of hyperspectral imaging is expected to provide high resolution chemical information as well as topographical data www electrooptics com Oak Ridge National Laboratory e Up to 7 5 travel range Direct read encoder e 0 0006 Repeatability e Integrated Controller Introducing our Newest Goniometers Introducing our newest goniometers the CONEX AG GON UP and epee x LP These great new additions combine our CONEX integrated ae controllers with Agilis piezo motor technology providing a compact size easy remote control and high repeatability of positioning trom a novel direct read encoder The CONEX AG GON is the pertect solution for applications where space is a premium integration needs to be easy and precise motion is ideal Plus the technology makes it very low cost Discover our newest goniometers and entire family of solutions at www newport com gon 5 or call us e 0 0003 MIM e Vacuum compatible available For Motion Think Newport Belgium Germany Tel 32 0 0800 11 257
11. more mobile instruments similar to what Apple has done on the same wafer which is how they get the volume of scale benefits akin to semiconductors production Adding more gratings to the wafer will improve device performance further adds Rasmussen For medical and food analysis the goal is to have both low cost www electrooptics com and higher performance modules using Raman spectroscopy for detecting various drugs But it is hard to get the high Raman resolution required from small modules One option is to use the cheaper portable spectrometers to quickly check batches of foodstuffs and other products and to then take suspect material to the laboratory for a more detailed inspection Rasmussen explains that carrying out quality control checks on pharmaceuticals is one application area if you can do it on site you can know within a few minutes if the lot is OK or not and if you find something you have to send it to a laboratory That difference between the laboratory and the environment on the shop floor or in the field is of concern to Laser Quantum sales and marketing vice president Barney Mitchell In going from the lab to something portable there is the challenge of increased shocks and less stable temperatures The environment is far less controlled And by shock Mitchell includes spectrometers being dropped A drop from waist height will deliver a shock equivalent to 1 000 g which is
12. result in a camera on a chip so every soldier can have a thermal imager LightPath has more than 25 years of infrared aspherical optics moulding experience and the LCTI M contract will allow the firm to further develop its moulding technology Jim Gaynor president and chief executive officer of LightPath said This contract allows us to continue our work to develop processes for infrared optics which we believe will enable critical defence capabilities With this technology Lightpath is targeting applications such as infrared countermeasures thermography gas sensing and commercial night vision systems www electrooptics com Trumpf NEED IR OPTICS WE COVER YOUR WAVELENGTH to camum Optic Hall 3 G26 z D M U N D FOPTICS more optics more technology more service HI Ed d optics worldwide USA 1 856 547 3488 ASIA 65 6273 6644 EUROPE 44 0 1904 788600 JAPAN 81 3 5800 4751 www edmundoptics com ir PHOTONICS PEOPLE Engineering company and laser marking provider The 600 Group has announced that its chief executive officer David Norman has retired from the company with immediate effect Laser manufacturer JK Lasers has appointed Michael Haase as its new German sales manager Haase trained as a mechanical engineer and has ten years experience in the laser industry Flir Commercial Systems has appointed Loic Premartin as Europe Middle East and Africa sales vic
13. the photonics suppliers you need Technology Focus 42 German scientists claim they have the answer to producing cheaper non spherical lenses with lasers _A rosy forecast SPIE s Photonics Europe in Brussels was buzzing with activity last month the industry once again showing that it is at the forefront of the slow recovery the world economy is seeing The positive outlook is reflected in the number of new sales offices marketing _ vice presidents and distributors that companies are announcing you can read about it all in this month s news section Also in this month s news section new product launches a 7 billion European photonics research proposal and new laser processes for welding plastics and cutting Alumina ceramics Process development is a thread running through the features in this issue with i technical advances outlined in our laser marking portable spectroscopy and machine _ vision optics features In machine vision the hot topic is lens manufacturing development for the best possible picture quality in laser marking it is about creating sophisticated anti counterfeiting barcode like markings that can t be forged and in portable spectroscopy it is about miniaturisation and how people s use of smartphones is shaping their expectations of mobile instruments No doubt these topics and more will be making an appearance at both Optatec in Frankfurt this month and Lasys in Stuttgart in J
14. your hand Based on the proven Explorer architecture the Explorer XP laser is rugged and highly reliable for demanding 24 7 applications It delivers exceptional performance including short pulse width for minimum heat affected zone unmatched pulse to pulse stability and superior beam quality It operates across a wide repetition rate range from single shot up to 300 kHz With its short laser resonator cavity Explorer XP lasers produce high peak powers that in some materials can outperform higher average power green lasers The superior mode quality M lt 1 1 typical over the full repetition rate range leads to www electrooptics com 5 picometre wavelength stability across 20C background temperature shifts Laser Quauntum states that this temperature stability prevents mode hop and delivers high resolution capabilities for industrial environments The Torus has also been shock tested to 1 200 g improved spatial resolution and larger depth of focus The Spectra Physics patented intra cavity design enables efficient conversion to the green resulting in the highest pulse to pulse stability for consistent processing and higher yields High Performance Lasers by Cobolt O4 01 Series Compact SLM DPSSLs 457 473 491 515 532 561 594 Am CW power up to 300 mW rms lt 0 25 05 01 Series High power single frequency DPSSLs 355 491 532 561 660 1064 aim CW power up to 2000 mW rms lt 0 17 MLD Series Compact
15. 0 Using the JA2ZOOFL good quality cuts in Al O up to 1mm deep are possible With the Nd Yag JKLOOP laser a combination of high peak power 10kW short pulses 15 200us and high repetition rate 2 000Hz also make this laser well suited to cutting Al O ELECTRO OPTICS MAY 2012 European project develops 156 nm laser source for plastics welding A 500W Erbium multimode fibre laser source adapted for polymer welding has been developed under the European project Polybright The laser emits at 156 7nm to weld polymers which are known to be hard to weld because plastics only possess high laser radiation absorptivity at the longer wavelengths in the infrared spectral range Commercially available laser sources emitting at these wavelengths have not been available until recently For Polybright two laser sources 1940nm and 156 7nm that are both at 120W are being used to evaluate the absorption behaviour of different polymers for additive free welding applications The aim of the project is to develop high power high brilliance lasers with new wavelengths between 1500 and 1900nm that are adapted to the absorption properties of polymers Laser producer IPG Laser based in Burbach Germany is participating in Polybright IPG s new laser source developed under Polybright is called ELS 500 This combines several single mode Erbium fibre lasers and feeds their outputs into a single 200um diameter multimode fibre To use
16. 12 www electrooptics com Multi emitter is monolithic diode Dilas has announced its state of the art tailored bar architecture T Bar for high brightness fibre coupling capable of delivering up to 800W output from a 200um NA 0 22 fibre at 976nm The T Bar is designed to realise high brightness output while maximising fibre coupling efficiency for an overall high efficiency product The T Bar was developed so that automated active optics alignment can be used for efficient fibre coupling into a 200um fibre The device is a monolithic multi emitter diode source that permits the handling multiple emitters during each manufacturing step to lower both complexity and enhance reproducibility of the beam quality and fibre coupling The 800W module is based on spatial and polarisation multiplexing of individual beamlets and is equipped with a high power QBH fibre connector This device is rated at GOOW 976nm for fibre and solid state laser pumping Single frequency is mode locked for stability Laser Quantum has launched its actively mode locked single frequency 532nm 75OmW Torus laser at Pittcon 2012 Laser Quantum claims the Torus is the world s only actively mode locked single frequency The Torus features Compact green laser world first Spectra Physics claims a world first with its Explorer XP the first compact 5W all in one green laser that combines laser head and power supply into a single package that fits in the palm of
17. 223 211170 Fax 44 0 1223 211107 Web www europascience com ISSN 0013 4589 Electro Optics is audited by the Audit Bureau of Circulations SUBSCRIPTIONS Free registrations available to qualifying individuals Subscriptions 300 a year for 10 issues to readers outside registration requirements Orders to Europa Science The Spectrum Building The Michael Young Centre Purbeck Road Cambridge CB2 8PD UK Tel 44 0 1223 211170 Fax 44 0 1223 211107 2012 Europa Science Ltd Whilst every care has been taken in the compilation of this magazine errors or omissions are not the responsibility of the publishers or of the editorial staff Opinions expressed are not necessarily those of the publishers or editorial staff All rights reserved Unless specifically stated goods or services mentioned are not formally endorsed by Europa Science Ltd which does not guarantee or endorse or accept any liability for any goods and or services featured in this publication US copies Electro Optics ISSN 0013 4589 is published 20 times a year for 300 per year by Europa Science Ltd and distributed in the US by DSW 75 Aberdeen Road Emigsville PA 17318 0437 Periodicals postage paid at Emigsville PA POSTMASTER Send address changes to Electro Optics PO Box 437 Emigsville PA 17318 0437 Cover image Ocean Optics Not your copy Subscribe for FREE online at www electrooptics com subscribe www electrooptics com MAY 2012 ELECTRO OPTICS NEW
18. ILINGOUd DNIdALOLOYUd NOILINULSNOD LNSAWdOTAASG Raman spectroscopy is 67 1nm or 660nm We are seeing uses for that wavelength in the food industry for detecting chemicals that shouldn t be there and in homeland security 532nm is preferred for the forensics of chemical detection and counterfeit substance detection Delivering laboratory like services in the field is also a goal for Hamamatsu Ray Livingstone sales engineer says Hamamatsu mini spectrometers are small USB devices that can be taken on site to make measurements in real time rather than having to take the sample back to the laboratory Applications include measuring water and air pollution solar radiation as well as in forensic science Livingstone explains Generally a fibre light source is used to illuminate a cuvette holding the sample In the case of testing for nitrates in water systems UV light would excite the nitrates to fluoresce which could then be measured by the UV spectrometer positioned at 90 to the sample A trace of intensity verses wavelength can then be viewed on a computer with the intensity of light at a specific wavelength corresponding to the concentration of nitrates present in the sample Some laboratory based spectrometers are heavy and bulky and have moving parts The fibre optic portable spectrometers have no moving parts and therefore are a lot more robust Hamamatsu s Micro Electro Mechanical Syst
19. ISSUE 223 MAY 2012 Incorporating optics electro optics ol a Machine vision optics Analysis gt all in hand b The smartphone revolution Optatec comes to spectroscopy VIT www electrooptics com PHOTONICS BUSINESS APPLICATIONS AND TECHNOLOGY vl Let IPG retrofit your existing YAG laser machine and enjoy all the benefits of IPG s QCW fiber laser No Flash Lamps No Chiller No Mirrors No Hassle O E E 5 PHOTONICS sales us ipgphotonics com www ipgphotonics com QCW Contents Business News 4 The latest news from the world of photonics Applications Applications News 8 The latest applications of photonics from around the world Preview Optatec 10 Rob Coppinger looks at what will be on show in Frankfurt Feature Laser marking 13 Rob Coppinger investigates this popular application of photonics Technology Technology News 16 The latest technology developments in photonics News from EOS 18 An update from the European Optical Society Feature Machine vision 21 Greg Blackman tackles the latest in optics for improving machine vision Feature Portable spectroscopy 24 How spectrometers could be like smartphones as Rob Coppinger discovers Product Focus Diode Lasers 29 Rob Coppinger rounds up the latest diode laser products Products 32 The latest photonics products from around the world Suppliers Directory 40 Find
20. Magnetic shields e Modular signal processing electronics analogue or digital e HV power supplies including bench top and compact and low power integral HV bases Light tight housings incorporating different combinations of all of the above And of course we can also supply the photomultipliers for your application Not only can we offer our very wide range including alternatives to many Photonis types we will soon be able to offer some popular Burle types having recently acquired the Burle photomultiplier production plant Contact us to learn more about these easy to use highly sensitive light detectors or try the parameterised search facility on our website ET Enterprises Limited Riverside Way Uxbridge UB8 2YF UK Phone 44 0 1895 200880 Fax 44 0 1895 270873 sales et enterprises com www et enterprises com ADIT Electron Tubes 300 Crane Street Sweetwater Texas 79556 USA Phone 325 235 1418 Fax 325 235 2872 sales electrontubes com www electrontubes com MAY 2012 ELECTRO OPTICS TECHNOLOGY SUPPLIERS Suppliers directory Find the suppliers you need quickly and easily Also available online at www electrooptics com AMPLIFIERS AND POWER SUPPLIES Wavelength Electronics Inc 001 406 587 4910 sales teamwavelength com www teamwavelength com Hamamatsu Photonics Freephone Europe OO 800 800 800 88 europe hamamatsu com www sales hamamatsu com Edmund Optics Corporate hea
21. S By R Janelidze O Bakradze O Gogoli and C Klingshirn We report measurements of dynamic ac eli conductivity in borosilicate glasses doped semiconductors CdSxSe1 x and Agl in a w frequencies and temperatures The concent homogenously dissolved dopants are governed b heat treatment conditions of the glass samples leading to a creation of CdSSe and Agl nanocrystals The ac conductivity rises with increasing average size of the CdSSe nanocrystals in contrast to the case of the metal halide doped borosilicate glasses ee www electrooptics com whitepapers achine vision excels in measuring dimensions that are indiscernible to the human eye Measuring to the manufacturing tolerances for valves for a car engine is a classic example While camera sensor resolutions have been steadily increasing over the years its not simply the number of Megapixels the camera delivers that determines the quality of the image Lighting also plays a big role as does the lens and its really how good the lens is as to whether you ll get the most out of the specifications of the camera The lens has a big impact on what resolution the system will be able to image and how small a defect it will be able to pick up states Nicholas James product line manager at optics specialist Edmund Optics As camera sensor technology has advanced pixels have become smaller Five or so years ago 1 3 Megapixel sensors were considered high resolut
22. S For the latest business news in the photonics industry go to www electrooptics com business IN BRIEF es Edmund Optics has launched its Norman Edmund Inspiration Award to honour the contributions made by the company s founder Norman Edmund in advancing the science of optics ULO Optics has announced the opening of a new office in the USA that will offer thermal imaging optics for defence and commercial applications An independent survey has found that Edmund Optics is one of the best places to work in the Philadelphia region for the third year in a row Radiant Zemax has announced it has established a Chinese subsidiary Radiant Zemax Trading which is headquartered in Shanghai European customers can now order ILX Lightwave products directly from Newport s sales offices Trumpf s Trulaser 1030 and 5040 will be available in the UK this November Tnitaser ii 1 r i T i Trumpf s new Trulaser 1030 and 5040 products will be available in the UK from this November although they have been launched in Germany and elsewhere The TruLaser 1030 Fibre comes with a Trumpf 2001 TruDisk Laser and the TruLaser 5040 Fibre has the option of a 3001 or 5001 TruDisk Laser The 1030 will consume up to 23kW has a working area of 3000 x 1500mm and is viewed as an entry level machine that is low cost and compact The 2001 TruDisk is a solid state laser that uses a crystal and beam delivery is through
23. Tel 49 0 61 51 708 0 France Netherlands United Kingdom Tel 33 0 1 60 91 68 68 Tel 31 0 30 659 21 11 Tel 44 0 1235 432710 SPI C ET i ectra l hy AD 041203 EN OQOW Fiber Laser The R4 series of fiber lasers from SPI has been designed to meet the highest standards of reliability performance repeatability and user safety SPlI s R4 lasers are constantly finding new cutting welding and materials processing applications in markets including industnial medical devices electronics and printing Visit us at AKL 2012 For access to product news or to guarantee a meeting with one of our representatives go to our dedicated webpage gt gt All the latest news from the European Optical Society www myeos org Mark your calendar for Blue Photonics 3 The Island of Te North Sea Islands NIOZ is located at about 5 minutes walking distance from the ferry terminal at Texel From 18 to 20 March 2013 the third EOS Topical Meeting on Blue Photonics Optics in the Sea Blue Photonics 3 is to take place at the Royal Netherlands Institute for Sea Research NIOZ in Texel Netherlands In June 2012 the first call for papers will be published Like the previous conferences the third edition has its main focus on the understanding of the unique environment of the marine realm and in the sustainable use of marine resources which are of high societal relevance Blue Photonics 3 provides a platform for scientists and engi
24. all about 2 x 2 x 2cm It has very high resolution and can serve similar applications as our regular spectrometers Another low cost approach 2 Ocean is taking is to extend its ColorBug range to add more channels for spectroscopy type i applications and one of the products will be i called SpectraBug Snikkers says I think one day the devices will be multispectral Spectroscopy is really becoming a commodity in this respect and the volumes are getting larger and larger Whatever the volumes spectrometers are getting smaller and like all other mobile devices the trend whether it is a phone or a sensor is i to get smaller cheaper energy efficient and with more functions www electrooptics com Laser Support Services The first AC kilowatt hour meter was developed in 1889 by Ott Bl thy s from Hungary and has been serving mankind ever since Solutions Laser Support Services Y OPHIR school Drive Now Part of the Ovensione Newport Corporation Fife Ky10 2RR Tal 01333 311938 Fax 01333 312703 Enquiresilaser support co uk Designed to Measure Made for Accuracy Ophir s Revolution in Laser Measurement The New Beamtrack Sensor Measures Enabling Applications Power Beam Position and Beam Size e High Power Lasers Diamond Optics e Infrared Spectroscopy y 1 MRs e Tracks e Intracavity cooling nange lal L kee e Diamond Raman Lasers MB ar ain iive a
25. appear larger than those further away with a standard lens A telecentric lens will flatten the image so that it doesn t matter where the object lies in relation to the lens as to determining its size Pins protruding from a circuit board for instance will all be viewed head on with no distortions in size which is important when making accurate measurements In addition because the light entering the lens is parallel telecentric designs eliminate perspective distortion and increase the depth of focus according to Slotwinski at Alrad Schott through its subsidiary Moritex provides telecentric lenses incorporating coaxial lighting In high end machine vision www electrooptics com applications customers want to use high power lighting to maximise the speed of inspection and the rate of throughput explains Hiroaki Tomono responsible for Schotts machine vision business in Europe Tomono adds that if the lens system is not designed to be used with high power illumination then potentially internal reflections within the optics can reduce the image quality Moritex began by designing and developing illumination systems for machine vision and other markets It subsequently built on this knowledge by combining imaging optics with its illumination systems Designing the optics in combination with the illumination is a big advantage for developing high performance machine vision lenses states Tomono Schott Moritex has a
26. buted Feedback and external cavity singlemode laser diodes and modules using Quantum Dot and Quantum Well technologies Our multimode laser diodes cover the spectrum from blue to NIR and can be supplied in a wide range of package configurations Singlemode 20 fs 35 ps 420nm gt 10 um Multimode than 1024 datapoints SET External triggering possible pecial version with delay u n Spectrome g ape ape berlin de www ape berlin com Please contact APT to discuss you laser diode needs T 01225 780400 E info aptechnologies co uk TABLES OEM Multimillion cycle design life Extremely low power consumption Easilly customized for new and existing configurations Designed for extreme vibration and temperature conditions Scan the Code or go to cvimellesgriot com ShutterBrochure Small decorative logos for mobile phones and sophisticated codes for industrial traceability require laser technology to become more precise and reliable as Rob Coppinger discovers arking is a word whose simplicity myriad of laser types and applications that making a mark on an object really encompasses From excimer lasers to CO and solid state from mobile phone cases to anodised aluminium marking can create black on silver patterns or white on black We are more precision marking which you can barely see with your eye and you don t want to see it mostly For this you want s
27. chief executive officer Benno Oderkerk Avantes spectrometers are small at less than 500g and so can be portable They can operate independently of a desktop computer and are used in agriculture in what is called green tech For example in greenhouses users carry out a ELECTRO OPTICS MAY 2012 Ocean Optics Jaz is a mobile modular optical sensing suite that can have up to eight spectrometer modules measurements on light conditions or reflections from the leaves examining the amount and quality of the chlorophyll present The portable spectrometer will generate the data but there is some onboard data processing capability translating it into functions to measure Avantes products have other uses the company makes generic instruments because its spectrometers are used for so many applications And like today s smartphones Oderkerk explains that future improvements for their spectrometers include longer battery life time shorter high current charging and more easily replaceable battery packs Ibsen provides handheld spectrometers for the medical market for detecting the likes of cholera or for using the visible or infrared wavelengths for examining food Like Oderkerk Thomas Rasmussen Ibsen Photonics says We see a strong trend for people to want to miniaturise Rasmussen also sees competitive advantage in miniaturisation We see those two things miniaturisation and lower costs go hand
28. d of laser applications said It is called holographic because it has lots of colours like a rainbow The code _ itself is the pattern The reader i looks like a bar code reader i Inside is a special laser that hits the patterns and you get a special reflective pattern which gives you the code The reflective pattern is a characteristic interference pattern which is marked on the aerospace part with cuts no deeper than 200nm using an ultra short i pulse laser A combination of i the laser and different diffractive _ optical elements DOEs which shape the laser beam create the The ExciStarXS laser is used for glass and plastic lens and diamond marking ELECTRO OPTICS MAY 2012 with a transparent coating and the markings codes can be deciphered using a mobile reading device Rausch adds that this laser holographical _ pattern The cuts go down to 200nm and no deeper Aerospace wants marking in the area of nanometres because any deeper and you can damage the part We ve just started marketing the new technology explains Rausch By rotation and movement of the DOEs the interference pattern changes and individual unique patterns can be created This marking is covered marking is resistant to reverse engineering because it is not possible to determine the kind of DOEs used or their position to each other by reading the pattern The wavelength and power levels the ultra short pulse
29. diode laser modules 405 660Nnm Fast and deep direct modulatig Fully integrated control ele tronics Fluorescence imagos clalenelar iis Raman spectroscopy Interferometry Semiconductor metrology HTCure manufacturing for ultra robust lasers and ensured reliability Cobolt www cobolt se Cobolt Headoffice Sweden Phone 46 8 545 912 30 E mail info cobolt se nfralec Pyroelectric Detectors single amp multi colour Lithium tantalate M Spectral range 2 25 um Microspectrometer m Fast pyroelectric detector with integrated Fabry Perot filter m Tuneable between 3 0 4 1 um or 3 9 4 8 um NEW Tuning range 8 0 10 5 um available InfraTec GmbH Dresden GERMANY InfraTec Infrared Ltd Chesterfield UK Call us at 44 1246 267562 E Mail sensor lnfraTec co uk Internet http www infratec co uk fpi Lenses and optics Mid infrared optics get greater mechanical durability High volume precision optical manufacturer Reo has introduced a new range of mid infrared optics that provide a higher laser damage threshold a better spectral performance improved environmental stability and greater mechanical durability These zinc sulphide ZnS or Cleatran components are intended for use with Ho YAG pumped optical parametric oscillators OPOs and other laser systems operating in the 2um to 5um spectral range The ZnS substrates are precision ground and polished and then coated us
30. dquarters 1 856 573 6250 sales edmundoptics com www edmundoptics co uk Edmund Optics UK 44 0 1904 788600 uksales edmundoptics co uk www edmundoptics co uk Hamamatsu Photonics Freephone Europe OO 800 800 800 88 europe hamamatsu com www sales hamamatsu com DISPLAYS Pacer 44 0 118 9845280 info pacer co uk www pacer co uk jkcm home ELECTRONICS Wavelength Electronics Inc 001 406 587 4910 sales teamwavelength com www teamwavelength com FIBRE OPTICS Avantes 31 313 670 170 info avantes com www avantes com Frankfurt Laser Company 49 0 6172 279780 sales frlaserco com www frlaserco com ELECTRO OPTICS MAY 2012 _ Hamamatsu Photonics Freephone Europe O00 800 800 800 88 europe hamamatsu com www sales hamamatsu com _ JGR Optics inc _ 1 613 599 1000 info jgroptics com ANALYSIS TEST AND MEASUREMENT __NKT Photonics 45 4348 3900 general_enquiry nktphotonics com www nktphotonics com _ Frankfurt Laser Company _ 49 0 6172 279780 _ sales frlaserco com www frlaserco com JENOPTIK I Lasers amp Material Processing 49 3641 65 3053 _ sales laser Im jenoptik com wwwijenoptik com Im _ Modulight Inc _ 358 20 743 9000 sales modulight com www modulight com _ Hamamatsu Photonics _ Freephone Europe 00 800 800 800 88 europe hamamatsu com wwq sales hamamatsu com __ IPG Photonics 1 508 373 1100 sales us ipgphotonics com www ipgp
31. e monitoring system produces repeatable coatings with complex layer designs resulting in the lowest scatter loss and a high reflection of gt 99 99 per cent while achieving very high laser damage thresholds The sputtering process is a cold method that makes it suitable for temperature and moisture sensitive substrates Laser Components experience combined with its coating processes allows the company to produce UV coatings with good performance and high damage thresholds For specialist requirements Laser Components are able to offer special substrates to work with particular lasers such as a fused silica designed for excimer grade lasers thus helping to maximise the efficiency of the coating www lasercomponents co uk i Mirror mount steering gets a correction Newport has announced the new Picomotor mirror mount based laser beam steering correction system the New Focus GuideStar II Providing high reliability and high precision control of laser pointing and position drift the New Focus system includes two independent Picomotor actuated motorised mirror mounts to provide both manual and active 4 axis control with passive Stability There are two miniature CMOS cameras that provide position sensing and continuous tracking of both laser beam positions and laser beam profiles The system s patented control algorithm ensures correct alignment of the laser beam in both the x and y and near and fa
32. e mirror system also enables the laser to be moved quickly from plant to plant Funded by the German Research Foundation the work was carried out by Laser Zentrum Hannover and Leibniz Universitat Hannover s Biosystems and Horticultural Engineering faculty www electrooptics com NASA the World s Most Configurable Microspectrometer Booth C3 PAuhAL in spariroicmjy Sit Eii Sha Alt 25 pm S0 pm and 1HOjim ined Moeunt tool AVANTES Starline Avantes introduces the first truly configurable miniature spectrometer that allows you to change your slit and connector on the go In your laboratory on the road it only takes a AVAN ES screw driver to continue your measurements with a new set up solutions in spectroscopy For more information contact us at info avantes com website www avantes com Hamamatsu s new thermopiles are specifically designed to meet market demands for low cost reliable and high sensitivity detectors High sensitivity across the infrared band Environmental Single and dual element Medical High D Industrial High reliability hermetically sealed package a Excellent signal to noise ratio l D Low cost a Hall 3 0 Stand C12 PHOTON IS OUR BUSINESS Freephone Europe 00 800 800 800 88 www hamamatsu eu APPLICATIONS OPTATEC Clearly in focus The 11th Optatec international trade fair for optical technologies components and systems that takes place f
33. e president DISTRIBUTOR NEWS Lot UK has announced that it is now a distributor for Andor Technology This includes distribution of Andor s range of CCD ICCD EMCCD and sCMOS cameras spectrographs and related accessories ProPhotonix has three new distribution partners NexLase in Munich Nevis in Taiwan and Saber1 located in Chelmsford Massachusetts European Commission supports 7 billion photonics partnership European Commission vice president Neelie Kroes has announced her support for a 7 billion photonics public private partnership to which industry says it can commit more than 5 billion This combining of industry and government resources would be undertaken within the Horizon 2020 framework Horizon 2020 is to be the EC s seven year research and development programme which previously has been known as the seventh framework because it was the seventh multi year R amp D programme Horizon 2020 will operate from 2014 to 2020 Neelie Kroes said Europe needs to face up to the challenges of a rapidly globalising economy The photonics sector can unleash massive economic potential and help deliver the digital agenda for Europe EU policies that support research demonstration and application are crucial for spurring Europe s competitiveness The digital agenda is the EC s plan to encourage the use and growth of information and communication technologies in the EU Photonics industry
34. ect i choice when cutting edge optics are needed _ At Optatec Laser Components will be 2 exhibiting its Gaussian mirrors also known i as graded reflectivity mirrors GRMs The i special coating is characterised by a degree of i reflection that falls off in a Gaussian shaped i curve starting from the centre of the optic i Gaussian mirrors are used as output couplers in unstable resonators where they help to www electrooptics com APPLICATIONS OPTATEC more new gratings improved thermal IDQ will offer photon i stability for harsh environments and added counters based on avalanche i user exchangeable slits Ocean will also a lela _ be demonstrating a new version of the _ MayaPro family the MayaPro VISNIR This _ back thinned detector based spectrometer photodiodes in Geiger mode for the visible and infrared regions It also includes Telecom short pulse laser _ has its detector and grating optimised for sources id300 The id100 is a photon counter based on silicon APD for VIS wavelength id210 Near Infrared Photon Counter with World Record 1OOMHz trigger rate is an NIR responsivity which makes it ideal for low signal spectroscopy like 785nm _ raman applications Besides Ocean s new i spectrometers Customers at Optatec can i have a look at some examples showing the i company s capabilities to providing customers advanced System for Single i with custom solutions Ocean s engineers P
35. eds or thousands of laser marking stations to meet demand Factories in China can be the size of a European town and as Gabzdyl explains it is unlikely that the number of stations is going to be reduced It is difficult to speed up production without adding more marking stations just increasing the power doesn t necessarily scale it up Some materials can be delicate or difficult to mark and with manufacturers needing a consistency in mark quality they need reliable and consistent laser sources In some instances marking of consumer products becomes more surface texturing and patterning where relatively large areas need to be processed In a case like this the beam quality can have a significant impact on the quality of mark achieved a high beam quality produces an intense central peak whereas in higher moded beams the energy is more evenly distributed Whether for patterning or for smaller marks good control of pulse characteristics is needed and some applications benefit from shorter pulses ensuring that the materials being processed are not damaged But sometimes darker effects are needed according to Gabzdyl There are times when customers want black marks on stainless steel which is achieved through careful surface oxidation with no melting This is controlled oxidation and the process can benefit from an entirely different shape of pulse and or beam quality An oxide can be added to improve oxida
36. ekmohammad M Soltanolkotabi A Erfanian R Asadi S Bagheri M Zahedinejad M Khaje M H Naderi 12008 Spatially encoded localized wavepackets for ultrafast optical data transfer R Grunwald M Bock 12009 www electrooptics com It s time to discover thermal imaging in High Definition FLIR SC8400 thermal imaging camera The FLIR SC8400 thermal imaging camera is so that the smallest thermal anomalies become designed to provide the best thermal measurement Clearly visible on a crisp thermal image performance together with the most advanced ei ig Thermal Solutions a 19 Bidault connectivity It provides ultra sensitive E aE E measurements State of the art connectivity and France ease of use allow the user to concentrate on the Tel 33 0 1 60 37 01 00 experiment and noton the camera The FLIR SC8400 For more information please contact 6000 Fax 33 0 1 04113735 6000 hours e mail research flircom on stirling cooler FULL PRODUCT detects temperature differences smaller than 25mK WARRANTY SEE www flircom After product registration on www flir com OUR NEW REAL TIME see _ THIN FILM RE OPTIMISATION E CONC ENS PIS iph Oo O y Visit us at Booth G25 OPTATEC 22 25 May LUNCH Let Evatec s intelligent thin film re optimisation software do all the work Make real time changes to the most demanding optical thin film stacks throughout PV a Cet dep
37. elivery We offer customised solutions rapid prototyping and a wide range of inhouse capabilities With our quality and production processes we ensure reliable scaleable delivery now and in the years to come CO LET OEM Ocean Optics OEM www oceanoem com oem oceanoptics com US 1 727 733 2447 EU 31 26 3190500 Asia 86 21 6295 6600 Bring your unique product to volume markets with Ocean Optics Our dedicated OEM Division can support you with all your optical sensing needs from single components to entire systems Markets Anti counterfeit Life Sciences Medical Pharmaceutical Process Control Environmental Agriculture amp Food Lab Instrumentation Semiconductor Metrology LED amp Lighting 1S09001 2008 f gt CERTIFIED HALMA Ocean Optics is a Halma company UK 44 1865 263 180 D 49 711 341 6960 FR 33 442 386 588
38. ems MEMS spectrometer is fabricated as a single substrate The diffraction slit is etched into the CMOS sensor using a femtosecond laser and the grating itself is fabricated on the lens by nanoprinting Everything is on a single substrate manufactured by MEMS techniques and because of this it is very small has a good alignment and low light losses Larger lab based spectrometers typically contain separate image sensors gratings and optics which all take up space In addition there are numerous optics in the setup so there can be a lot of stray light which disturbs the measurement The drawback of manufacturing the detector as a single substrate is that the spectral resolution is somewhat limited but in some applications this isn t deemed as crucial The spectral resolution with these devices is around 12 l14nm but with larger laboratory based spectrometers the resolution can be Inm or better The range of Hamamatsu mini spectrometers is between 340 750nm which is sufficient for the visible and the far UV region Most applications such as pollution measurements environmental sensing solar thin film analysis and forensics are all sensitive in the UV visible and near infrared Another application is blood analysis and looking at the presence of proteins in blood samples The MEMS technology i allows spectrometers to be fabricated much smaller now The sensors and optics are made smaller with nanofabrica
39. er for opnext high performance red amp infrared laser diodes 635 690nm red laser diodes 705 852nm infrared laser diodes mail sales oe company com www oe company com www electrooptics com phone 44 1279 210211 pixels Resolutions from 5 25 Mega High Speed 25 Mega Pixels max frame rate 27 fps CameraLink interface Frame Grabber Camera combination available Machine Vision Component Specialists Very High Resolution Cameras Machine Vision Lighting Solutions BackLights Ringlights and bar lighting Harsh environmental lighting solutions Ultra Violet lighting We also supply all the required lenses grabbers monitors cabling Call 01635 30345 Email imaging alrad co uk Web MAY 2012 ELECTRO OPTICS A TECHNOLOGY SPECTROSCOPY Spectroscopy everywhere anytime obile devices are ubiquitous in society today and advances in spectroscopy are reflecting this trend with miniaturisation Customers now expect the smartphone experience with their spectrometer with features such wireless internet Bluetooth and ever improving performance with semiconductor like technology We need to look to offer more mobile instruments and the packaging to make it more sexy similar to what Apple has done with the Ipod its nothing more than an mp3 player but it lasts a little longer with the battery and it looks sexy says Avantes
40. er welding enables a compact design using very efficient technology The welds have low warpage and are manufactured in a short cycle time The standard today is up to twelve welds per dual clutch 12 14 JUNE 2012 MESSE STUTTGART www lasys fair com Questions Contact stuttgart lincolnwest co uk or call Lincoln West Ltd on 44 0 1732 525950 and quote EO12 for a free day ticket Promotional supporter oa est OF ee J Accompanying congress Photo PREMIUM AEROTEC TECHNOLOGY FOCUS CO LASER he Fraunhofer Institute for Laser Technology ILT has developed a process for manufacturing optical glass components that should be good for cost effectively producing aspheres and free form optics There is a growing demand for non spherical glass optics but the lenses for cameras or multifocal glasses are still very costly to manufacture This is because non spherical optics have been produced through time consuming grinding and polishing processes In optical systems headlights projectors camera lenses and lenses for glasses ensure that light is focused through their surface form and finish quality With these commonly used spherical optics the risk of aberration is reduced by combining several lenses into a single system However this approach also increases Non spherical glass optics the weight and size of the optical system By using non spherical lenses whose surface form deviates from t
41. es its rocket to boost the station s orbital altitude during its stay After it undocks in August the ATV will be commanded to burn up in the atmosphere over an uninhabited area of the southern Pacific Ocean ee Roaming robots could zap weeds dead say scientists Pesticides may not be needed for clearing weeds after the demonstration of a laser system that could be used by field roaming robots to kill individual plants An infrared CO laser with a wavelength of 10 6um is fired at weeds that are identified by a stereo camera system which also optimises the laser beam position Researchers have determined how much energy is needed to destroy plants sensitive growth centres known as meristems making the method very efficient The researchers expect that large fields could be swept by autonomous field robots that would identify weeds and laser them Researchers know seedlings can be killed with 35 Joules Using image analysis techniques such as threshold level filtering and edge detection the position of a plant s leaves can help locate the meristem position By using a galvanometer scanner with a flexible mirror system the laser beam can be focused with high precision on the near surface meristems Under laboratory conditions an accuracy of lt t1mm could be achieved and under greenhouse conditions a laser on a rail carriage achieved accuracies of 3 4mm The use of a galvanometer scanner with a flexibl
42. ge ROR beam SIZE Extreme Properties e Long Wave IR Imaging 4 28 7 i gS e Unsurpassed Transmission from ia cee we 3 mo i i e Measures Ba UV to THz yo 1 0m beam position e Ultimate resistant to chemical attack j D a e Highest resistance to scratches Power el Models from e Surpreme thermal conductivity 4 a 3W to 400W gt 2000W m K F e Very low thermal expansion lt Ippm e Extreme high Laser Damage Threshold 3901 Burton Drive De Nieuwe Erven 2 OPHIR Santa Clara CA 95054 5431 NT Cuijk USA The Netherlands Photonics Peter Santini e6 com Benno Vrolijk e6 com A Newport Corporation Brand Corporation Brand WWW ophiropt sea www e6 com www e6 com The True Measure of Laser Performance FIBER PUMP We ve earned the title DILAS stands apart offering high coupling efficiencies in a wide range of powers wavelengths fiber cores and configurations perfect for solid state laser pumping or fiber laser applications Superior manufacturing is at the core of every DILAS fiber pump with 100 product testing and traceability to assure quality longevity and reliability With experienced technical teams and service centers globally DILAS is your best partner for fiber coupled pump solutions Discover why we can provide the technology advantage see why our fiber pumps make DILAS diode laser company LAS diode laser company TECHNOLOGY DIODE LASERS Lasers with one direction Rob Coppi
43. h CW powers up to 60 MAY 2012 ELECTRO OPTICS ia TECHNOLOGY DIODE LASERS LTB Lasertechnik Berlin provides the Double Echelle Monochromator Demon The Demon combines very high spectral resolution high optical throughput and a short read out time of the detector due to on chip binning Its patented optical design with pre monochromator and echelle grating gives the user the capability of resolutions up to 150 000 4pm 600nm In contrast to interferometric testing systems the Demon enables the user to monitor the spectral bandwidth intensity profile and absolute wavelength simultaneously The large inspection range of the Demon allows monitoring the main mode together with the side modes Thus the Demon is the ideal instrument to characterise the complete emission behaviour of the diode laser www Itb berlin de Watts per bar and a choice of water cooling peltier cooling or Hamamatsu s patented funryu cooling technology Stacked bar arrays with up to several Kilowatts output power fibre optic coupling and a choice of other wavelength laser diodes are all available to specific customer request www hamamatsu eu Laser Components HI Series feature a divergence of 25 x 12 degrees compared to the industry standard of 12 x 30 degrees for a higher intensity output ready for pin for pin replacement The HI FAC Series is the result of combining these high performance HI Series with a Fast Axis Collimato
44. he Diamond range of optical connectors and accessories in Scotland and the North of England DIAHOND Cicorel is the UK representative for Swiss fibre optic specialists Diamond SA Diamond has long been a world leader in fibre optic connector design Their range includes the flagship E 2000 family of connectors as well as bespoke solutions for PM high power sterilization and harsh environment applications We are currently looking to find someone to promote the product in Scotland and the North of England perhaps as an addition to existing work in an optical field Much of our success is in niche markets aerospace medical sensors defence oil amp gas space etc and many solutions are customised so the right candidate will be able to act technically as well as commercially Hours to suit For further information or to express an interest please e mail jenny shaw cicorel com TEL 01935 814359 FAX 01935 816496 WWW CICOREL COM CICOREL LONDON LTD COLDHARBOUR BUSINESS PARK SHERBORNE DORSET DTS 4JW TECHNOLOGY PRODUCTS Laser and diodes Emitters get narrow beam high output ITW Photonics Group member Opto Diode has announced the first in a new series of super high power gallium aluminium arsenide GaAlAs infrared IR emitters The OD 110L has ultra high optical output with a very narrow optical beam for night vision NV and other military imaging applications The OD 110L is housed in a standa
45. he curvature of a spherical _ lens engineers can effectively minimise such aberrations and reduce system weight It is a research team at the Fraunhofer ILT that has developed the new three step process for individual manufacturing of apheres and free form optics producing non spherical and free form surfaces with different degrees of curvature Made out of a quadratic piece of fused silica and following computer generated data the researchers claim nearly any surface form desired can be produced Starting with a fused silica preform a 1 5kW CO laser beam operating at the wavelength of 10 6um is used on its surface rapidly ablating it to shape the _ preform into the geometry wanted It is because _ of the wavelength transparency of silica that the CO laser has a wavelength of 10 6um i While this ablation is taking place an extraction i system is used to remove the vaporised glass from the processing area The next step is to heat the silica it to its evaporation temperature over 230 C The heated surface becomes fluid and its roughness is reduced as surface tension i ensures the material attains a polished like state i once it has cooled After this laser polishing step any remaining form defects are corrected i with further laser based precision ablation i For the laser polishing step you definitely i need to use the CO laser and for the other i two process steps these can be done with CO
46. hort wavelengths says Ralph Delmdahl product marketing manager for Coherent His company provides excimer lasers that are used for transparent hard materials such as diamond glass and some polymers They operate at 193nm with 10mJ pulses to avoid creating cracks in the glass and mark among other things ophthalmic lenses made of mineral glass and polymers The marking will encode information for the optician such as the lens astigmatic power its overall characteristics to identify what prescription the lens is for The mark might be on the side or edge of the lens and the intention is that the user can t see it Because polymer lenses have several coatings to make them hard and provide an anti reflection quality the markings can record what coatings the lens had Another application for belies the increasing is the diamond industry Again the 193nm wavelength is used because diamond only absorbs below 200nm Above this wavelength more energy is needed and that would heat up the diamond and potentially As well as details about the diamond sometimes people like to have their names _ or the reason for the side of the jewel As well as this _ personalisation of the diamond _ branding by a company can also want marks for security and anti counterfeiting purposes You can induce carbonisation to create a blacker mark explains Marking on glass can involve excimer lasers details ab
47. hoton Detection at telecom wavelengths resolution as low as 250ps can be achieved The id220 brings a major breakthrough for single photon detection in free running i can work closely together with customers to i e 1310nm and 1550nm Its performance create spectroscopy system designs for OEM in high speed gating at internal or external _ industrial or field applications frequencies up to 1OOMHz by far surpasses mode at telecom wavelengths It is the i www oceanoptics com the performance of existing detectors first single photon detection module built Photons can be detected with probability up around an InGaAs InP passively quenched Qioptiq s new laser modules the Nano to 25 per cent at 1550nm while maintaining avalanche 100 Series are compatible with the Linos the dark count rate at low levels A timing www idquantique com Wem bench Thedmenon ol this new miniaturised system are adapted to the 2 smaller Linos Nanobench system The reduce the beam divergence at high pulse energies This makes them interesting for a wide range of applications including military www lasercomponents com Ocean Optics is known for its highly configurable miniature spectrometers and again at Optatec 2012 it will be showcasing several new products Ocean will be showing the second generation of its flagship product QE65000 called QE65 Pro www qe65pro com This high end miniature spectrometer is known for its high dynamic range
48. hotonics com www jgroptics com _ Frankfurt Laser Company _ 49 0 6172 279780 _ sales frlaserco com www frlaserco com _ JENOPTIK I Lasers amp Material Processing 49 3641 65 3053 _ sales laser lm jenoptik com wwwijenoptik com Im _ Laser Lines 44 0 1295 672500 _ info laserlines co uk www laserlines co uk index htm _ Laser Quantum Ltd 44 161 975 5300 _ info laserquantum com www laserquantum com Laser Support Services Ltd 44 0 1333 311938 CAMERAS AND IMAGING LASER SYSTEMS _ DILAS Diodenlaser GmbH 49 0 6131 9226 0 _ sales dilas de www dilas de enquiries laser support co uk www laser support co uk _ Modulight Inc _ 358 20 743 9000 _ sales modulight com www modulight com _ Pacer 44 0 118 9845280 _ info pacer co uk www pacer co uk jkcm Home _ ProPhotonix 1 603 893 8778 sales prophotonix com www prophotonix com LEDS AND ILLUMINATION AP Technologies Limited 44 0 1225 780400 _ info aptechnologies co uk J LASERS AND DIODES _ DILAS Diodenlaser GmbH 49 0 6131 92260 _ sales dilas de wwuw dilas de www aptechnologies co uk _ Pacer 44 0 118 9845280 _ info pacer co uk www pacer co uk jkcm Home LENSES AND OPTICS _ Armstrong Optical Ltd 44 0 1604 654220 _ info armstrongoptical co uk www armstrongoptical co uk _ Cambridge Technology Inc 001 781 541 1600
49. in hand if you make things smaller it becomes lower cost because various devices become smaller and so cheaper he says Below the 1 000 price tag there is a market for spectrometer modules that have according to Rasmussen reasonable performance for instance 1 4nm resolution low stray light and good sensitivity While 20 100nm resolution can be achieved with much simpler and lower cost devices typically 10 100 based on light emitting diodes and colour filters Ocean Optics The sub 1 000 1 4nm resolution spectrometer market is the segment we are targeting with our new compact Freedom spectrometer and we see a strong demand for the combination of compact size and good performance Our module is just 25 x 48 x 16mm and provides resolution down to Inm Naturally other spectrometer suppliers target the same segment explains Rasmussen Ocean Optics STS module for example One technical aspect driving this miniaturisation and increased performance dynamic is the ability to use semiconductor like manufacturing technologies with wafers upon which gratings are made However there is a drawback to using semiconductor like replication techniques they can ruin the stray light performance which means the noise in the system can get worse But we think we have got around that adds Rasmussen According to Rasmussen Ibsen can get several hundred gratings a a We need to look to offer
50. ing fast and deep modulation from versatile input signals The selection of wavelengths combined with direct intensity modulation capability make the Cobolt MLD lasers a perfect choice also in applications such as optogenetics microlithography or metrology _ of installation alignment and i detector calibration Other light i patterns such as square circles i dotted lines grid or cross hair i are also available Lasiris SNF i lasers are ideal for a wide range i of image analysis applications i including 3D contour mapping i and profiling high precision i surface analysis web inspection i etc i www coherent com i Dilas has announced its state of i the art tailored bar architecture i T Bar for high brightness fibre i coupling capable of delivering up i i to 800W output from a200pm _ NA 0 22 fibre at 976nm i The T Bar is designed to realise i high brightness output while i maximising fibre coupling i efficiency for an overall high efficiency product The T Bar Cobolt has designed an easy to integrate compact diode laser module with all control electronics fully integrated in a laser head of industry standard size An optional external control box allows CDRH compliant operation with a key switch and emission indicators The Cobolt MLD Series lasers are intended for stand alone use in laboratory environment or for integration as an OEM component in analytical or metrology instrumentation equipment w
51. ing ion beam sputtering IBS technology The IBS process yields fully densified thin films that are virtually impervious to water absorption and extremely stable These characteristics make Filter for dependability Lake Shore Cryotronics has introduced its BPF series of terahertz THz and infrared IR band pass filters These filters are specifically designed for applications where precision and dependability are paramount especially when used in extreme environments BPF series filters are perfect for THz and Fourier transform infrared FTIR spectroscopy materials and THz device characterisation and testing THz them particularly well suited to demanding applications such as IR countermeasures laser designating rangefinding atmospheric sensing and small molecule spectroscopy This series of ZnS optics includes both flat and radiused components with substrates ranging from 5mm to 150mm in diameter They all feature high surface accuracy and excellent surface quality 20 10 and are offered with a wide range of antireflection high reflection and multi spectral coating options The laser damage threshold of the antireflection bands of these coatings has been measured to be gt 8J cm at 2 05um ina 75nsec pulse while high reflection bands have demonstrated a damage resistance of gt 50J cm for the same pulse specifications www reoinc com and millimeter wave imaging security as well as ground and airborne based astronomy a
52. ion and in a 1 2 inch format the pixel sizes were relatively large Cameras are now available at 5 and 10 Megapixels in 1 3 inch formats so the pixel sizes have become minute a 10 Megapixel 1 2 inch CMOS sensor can have pixels as small as 2um Mark Williamson director of corporate market development at vision distributor Stemmer Imaging explains that one of the challenges in machine vision is to differentiate which lenses are suitable for which sensors Its not only the circle size of the lens www electrooptics com Resolving power Telecentric lenses are ideal for making measurements of high precision parts Image courtesy of Schott Moritex i but how good the lens is at resolving the image i onto small pixels he says A 5 Megapixel camera i might cost 250 say but the pixels might be so i small that optically its very difficult to achieve i the maximum resolution of the sensor unless you pay for an expensive lens which can be around 800 The resolution of a lens is determined by its modulation transfer function MTF defined as the number of line pairs per millimetre the _ lens can resolve a line pair being a sequence of one black and one white line As alternating black and white lines become closer together TECHNOLOGY MACHINE VISION OPTICS the transition from fully black to fully white eventually becomes blurred so that the lens will only be able to reach a leve
53. irieS laser support co uk _ www laser support co uk By SAFETY _ Lasermet Ltd 44 0 1202 770 740 sales lasermet com _ www lasermet com i SENSORS AND DETECTORS _ AP Technologies Limited 01225 780400 _ info aptechnologies co uk www aptechnologies co uk _ Hamamatsu Photonics Freephone Europe OO 800 800 800 88 europe hamamatsu com www sales hamamatsu com _ InfraTec Infrared Sensor amp _ Measurement Technology Ltd 44 0 1246 267562 sensor infratec co uk www infratec co uk Pacer 44 0 118 9845280 _ info pacer co uk www pacer co uk jkcm Home MATERIALS BE _ Lambda Research Corporation 1978 486 0766 sales lambdares com www lambdares com RSoft Design Group 001 914 923 2164 MICROSCOPY 2 _ info rsoftdesign com www rsoftdesign com _ Synopsys Optical _ Solutions Group 1 626 795 9101 info opticalres com www opticalres com VPisystems 49 30 398058 0 info vpiphotonics com POSITIONING EQUIPMENT SPECTROSCOPY _ Avantes 31 313 670 170 _ info avantes com www avantes com www vpiphotonics com Not listed 44 1223 211176 Messe Stuttgart Key to markets D International trade fair for laser material processing Absolutely focused Laser applications for the future mobility trend Dual clutch transmissions combine the advantages of classic clutches with the comfort of an automatic transmission Las
54. l of grey before having to switch to the next transition Any detail in the image thats below this value will be lost Hence a low resolution lens will still capture everything in the field of view but the detail will be less because the optics can t translate the change from black to white quickly enough With cameras being released with smaller pixels lenses have to have higher MTF to maximise the sensor Williamson notes Cheaper CCD cameras will typically have smaller pixel MAY 2012 ELECTRO OPTICS TECHNOLOGY MACHINE VISION OPTICS sizes to shrink the sensor However if you want to get the same image quality at the maximum resolution you ll need a more expensive lens Optical distortions Any optical system will have a certain degree of distortion within it most of which can be designed out of the system and high quality machine vision lenses will correct for many distortions Some of the more common types include barrel distortion where the optical path changes as you move further from the centre line of the lens creating a fisheye type effect This is more prominent according to Raf Slotwinski business development manager at Alrad Instruments for wide angle lenses with short focal lengths although he adds that low distortion lenses are available at a price Alrad based in the UK represents a number of machine vision lens manufacturers Vignetting is another whereby less light reaches the sens
55. l wavelength for biological samples and organic compounds There is an interest at 660nm _ because there is a hydrogen line that disappears off the end of the silicon response range if you go any further into the infrared comments Mitchell Then if you go any further into the green you see increased fluorescence and you lose the Raman signal that way A popular wavelength according to Mitchell for surface enhanced oH a _ ae he Pe Ph at Ee a hii a MEASURE ANALYZE DISCOVER INTELLIGENCE ee LIGHT a UV PLASMA T FLUORESCENCE M NE t SOLAR LED LASER Discover a quick way home with our low cost fiber optic star ship navigation plugin Optical systems include SpectroRadiometry for LED solar UV NIR displays Reflectometry for non contact thickness metrology or color QC LIBS Laser Induced Plasma for elemental identification OES for plasma etching monitor SpectroChemistry for fluorescence quantification and molecular composition Call us with your R amp D QC production or field portable requirements today App Si O PTI Cc PRECISION LENSES scan lenses Beam expanders Focusing lenses Aspheres CCD lenses UV NIR lenses LED condensers Collimators Please visit us 22 25 05 2012 Frankfurt Germany Booth A39 www silloptics de silloptics de fee ELECTRO OPTICS MAY 2012 NO
56. laser uses are also a closely guarded secret The two year project involved companies that developed the mobile reading device s camera and the algorithm for reading the code Local academics were _ also involved and some local government funding supported the work Following this work i that was focused on marking 2 metal silicon has been marked and Rausch expects that it will be possible to apply the technology to glass and ceramics in future However for ceramics and glass i you need more energy and if the i power is raised precision can laser holographical marking is resistant to reverse engineering decrease and precision is needed _ to create the holographic patterns Traceability codes are not the only permanent marking i that is becoming commonplace consumer products increasingly require complex decorative i marks such as corporate logos i Consumer goods are becoming a i significant product group in the use of marking For goods such as mobile phones and cameras customers often want complex www electrooptics com Ondrej Schaumann Shutterstock com and visually aesthetic marks commented SPI Lasers product line manager for pulsed lasers Jack Gabzdyl The laser systems used to create these decorative markings have to be extremely reliable These products are manufactured in millions of units per month so today s contract manufacturers can have factories with hundr
57. ld work from 100 400mm for instance another from TECHNOLOGY MACHINE VISION OPTICS 400 1 000mm and a third from 1 000mm to i infinity If you re trying to design a lens that i works from very close to very far away you i have to balance the resolution so that it works i over that entire focal range which means the i resolution is not as high as it could be in any i particular region explains James If you have a i lens that will operate just from 100 400mm it i will have a much higher resolution peak in that region although the lens won t resolve objects i well outside of that working distance range As in most cases the application will dictate i the optical specifications People often don t i value the cost of optics comments Williamson i at Stemmer Imaging They pay for a camera and think any lens will do Lenses can actually solve i a problem if you get the right lens it can make i your life so much easier Williamson adds that using filters correctly can also make a big difference If you don t need i colour illuminate with a single wavelength and i filter out all other extraneous light he says i This removes the effect of different wavelengths i having different focal lengths Illuminating with i one wavelength and filtering out all the other light will result in a far sharper image Optoelectronics ite Optoelectronics Company your new partn
58. m pulse currents of maximum voltage the user unencumbered access to enclosed configuration the LRC up to GOmA and repetition rates to WWW unipowerco com the edge of the mirror Conveniently the new SN200 is available in either right handed or left handed versions for situations where the mirrors need to touch or be in close proximity The mount is available with two or three locking actuators making it ideal for demanding research applications Newport s precision mount utilises micro polished carbide pads and 100 TPI adjustment screws which enable smooth high resolution alignment and exceptional stability www newport com ahs Vt pl 4 Ultra short pulse goggles get coated mineral glass Protect Laserschutz is now offering laser safety eyewear with combination filters to protect from the radiation of harmonic ultra short pulse laser The filters combine absorption LASER COMPONENTS moanuloctures ond supplies componens OEM modules sources optics mineral glass with additional ond detectors spanning the UV to the FIR Products include o sources loser diodes ond ARISTA DOINGS TROVE ETE modules IR ermites lamps LEDs and SLEDs bj optics fibre fibre cable gaiches poichcords gS modulators loser mirrors lenses ciput couplers dichroics prisms windows optical filters and two versions The standard laser crystal rods c detectors SiC SifOd5 InGeAs PbSe PbS Thermopile Pyroelactic MCT and filte
59. matic lenses to i maintain true beam collinearity i iFLEX Gemini includes i kineFLEX technology that has i long been used in biomedical i and metrology applications i requiring high power throughput and ultra stable beam pointing Now iFLEX Gemini is enabling i more applications including new leading edge point of use i analysers for forensics and remote sensing www qioptiq com www electrooptics com Linear and rotary motion sub systems Travels from 25 mm up to 1 5 m Velocity to 3 m s and acceleration to 5 g High power brushless linear and rotary direct drive servomotors for smooth Capabilities in Laser motion Processing and Micromachining provides comprehensive information on Aerotech s advanced high technology manufacturing solutions Air bearing and mechanical bearing systems Noncontact linear encoders with nanometre resolution Call for your copy today Configurable cable management systems for integration of fiber lasers cameras air lines and more Aerotech s integrated positioning mechanics and motion controls are designed for ultra precision high dynamic positioning scanning and contouring applications Our systems provide outstanding performance and versatility in a wide range of automation platforms for precision micromachining laser processing micro welding and other micro manufacture and test applications Contact an Aerotech Application Engineer to discuss you
60. mera with sensitivity in the near infrared region up to 1650nm Like other streak cameras the new C11293 model simultaneously records intensity vs time vs position or wavelength with very high temporal resolution Up to now the only photocathode material See it all with iStar Scottish camera design and manufacturing company NCTech has launched its automatic instant 360 panoramic camera Designed to be integrated with a Lidar scanning process this rapid imaging camera processes its images internally with no need for a computer to complete post production processing or stitching Shortwave imager for defence promises ruggedness FLIR Systems has announced the availability of the Tau SWIR 15 a shortwave imager incorporating FLIR s new 15 micron pixel 640 x 515 InGaAs focal plane array The Tau SWIR 15 is designed for defence system developers demanding SWAP C requirements The system delivers best in class www electrooptics com available for streak measurements at gt 1000 nm has been the so called S 1 material S 1 material features excellent temporal resolution of better than 1ps but suffers from low quantum efficiencies Hamamatsu Photonics is now making available a streak photocathode made of InP InGaAs This photocathode has a sensitivity several orders of magnitude higher than S 1 and also extends its range up to 1650 nm www hamamatsu com The iStar produces instant 50 megapixel high resoluti
61. n advanced lens simulation system for designing optics which incorporates both illumination and optical design data The optical and illumination axes are the same with the telecentric lenses The light travels through the optics and reflects from the surface under inspection back through the lens to the sensor all on the same optical axis In _ this way according to Tomono an image can i be captured without reflections from a surface i blinding the camera In addition distortions i within a telecentric lens are low because the i optical beam from the lens is always parallel i Schotts Advanced Optical Glass technology i supports development for Moritex s optics to i maximise the image quality _ Designing for the application i Megapixel lenses might incorporate aspheres i to make it easier to compensate for some of the i optical aberrations in the system An asphere i will usually allow the number of elements in a i system to be reduced thereby making the lens i smaller or allow higher resolution with the i same number of elements explains James of i Edmund Optics However aspheric lenses are i usually more expensive than standard lenses by i five or 10 times the price Multi conjugate designs are also available for high resolutions within a given focal length i A traditional fixed focal length lens will work i from 100mm to infinity for example A multi i conjugate version of that design wou
62. n fruit In addition certain materials such as some plastics which are opaque in the visible appear transparent under SWIR lighting meaning contents of plastic bottles can be inspected for example There are fewer glasses available with strong indices in the SWIR to balance the lens design James continues The light passing through an optic will be diffracted differently depending on the wavelength To try and balance that with the glasses available is a difficult proposition which ends up requiring more elements and more exotic glasses for SWIR wavelengths Telecentric lenses The lens most closely associated with machine vision is the telecentric lens or the so called measurement lens Standard lenses will image from one point so that at the edges of the field of view the camera will be looking from a slight angle With telecentric lenses all the light entering the lens is parallel which means the lens delivers the same view irrespective of the distance the view of the object is from a single point flat on This is important when measuring an object Telecentric lenses are very useful when measuring objects with different heights or making measurements of holes explains Williamson However the lenses can be expensive as they need a lot of glass to receive all the light in parallel the front of a telecentric lens has to be the same width as the field of view Closer objects will
63. nd astrophysics The filters block unwanted energy reducing noise and enhancing signal detection in advanced electro optical systems and can also serve as excellent calibration references providing known frequency amplitude profiles They are specifically designed for use in cryostats www lakeshore com www electrooptics com TECHNOLOGY PRODUCTS Lenses and optics Amplifiers and power supplies Mirror mounts have not two High voltage jolts industrial lt sries provides 300W and 700W but three actuators medical laser systems output power As standard the 300W Lasers and photonics solutions 2 Unipower has announced its LRC unit meets EN606011 for leakage provider Newport has introduced series high voltage power supplies current and this approval is available its high precision stainless steel designed for use in mid power CO for the 700W model as an option Suprema SN200 Series Mirror and similar medical and industrial Strike voltages are 30kV and SOkKV Mount for 2 inch 50 8mm diameter laser systems Combining rugged respectively Input voltage can be o optics The clear edge mirror mount and high reliability circuitry with 115 or 230VAC at 50 60Hz The LRC 2kHz at 100 per cent duty cycle Full is designed to be more compact high efficiency a compact footprint series has super pulsing capabilities power is available at 75 per cent of than other 2 inch mounts allowing and the choice of open frame or providing maximu
64. neers to discuss relating issues to develop ideas for their own work and build up a network of colleagues for future interaction The conference will highlight topics like environmental monitoring crowdsourcing apps a and is the largest of the Dutch ocean colour radiative transfer and modelling marine bio optics and remote sensing fluorometry AOP IOR 2D and 3D underwater imaging as well as innovative sub sea optical techniques and instrumentation Chairs Marcel R Wernand Royal Netherlands Institute for Sea Research NIOZ NL Oliver Zielinski Marine Sensor Systems ICBM University of Oldenburg DE Hans van der Woerd Institute for Environmental Studies IVM VU Amsterdam NL JEOS RP seeking for active reviewers Being open for every researcher in optics and photonics JEOS RP welcomes experts from academia and industry to sign up as reviewers a unique opportunity for peers interested in contributing to the community and in networking In particular the latter is worth the effort section editors looking for reviewers in ELECTRO OPTICS MAY 2012 a special field may come across a name and remember it in the long run Keeping the user profile up to date especially the reviewing interests and responding timely due to the time to publication rules are the most common tasks of all reviewers besides conducting the review to the best of their knowledge Since the reviewer s name i
65. nger rounds up the latest diode laser products Cobolt has announced the release of the Cobolt MLD Series lasers high performance laser diode modules covering a spectral range between 405 and 660nm The lasers offer optimum beam quality and modulation performance from a small and compact package Manufacturing using Cobolt s unique HTCure technology ensures world class quality reliability and lifetime as well as unmatched robustness The Cobolt MLD lasers provide a spectral complement to the company s lines of high Coherent s world renowned Lasiris range of structured light lasers include the SNF laser that offer structured light patterns including single and multiple laser lines with uniformity down to 15 per cent Fan angle and working distance can be tailored to match your application What distinguishes the SNF laser from conventional lasers with cylindrical optics is the evenness of the illumination pattern Lasiris lasers incorporate an optical line generator that eliminates Gaussian distribution of the light resulting in the most uniform laser lines on the market The design provides superior quality light patterns while avoiding the intricacies www electrooptics com performance CW DPSS lasers for demanding fluorescence analysis applications such as confocal microscopy and flow cytometry In addition the Cobolt MLD lasers have the feature of direct intensity modulation capability allow
66. ogy the stray light performance is up to five times better combined with thermal and mechanical stability The Avabench RS optical bench technology is now available in all Avantes UV VIS NIR AvaSpec spectrometers AvaSpec spectrometers include a choice of 13 different standard gratings 10 different detector options and many more options and accessories The application areas for Avantes spectrometers and optical products include industrial chemical petrochemical geology biomedical semiconductor light measurement agriculture and food processing technology www avantes com _ made of high quality glass guaranteeing an i excellent intensity distribution The rugged i mechanical design ensures a beam pointing i stability of lt 10 pRad oC Internal voltage and heat protection and a potential free housing ensure an increased lifetime These i thermoelectrically cooled lasers enhance _ wavelength stability up to 0 25nm oC www coherent com 2 Laser Components will show examples i from its recently added ion beam sputtering i IBS coating capabilities Coatings that i are produced through IBS feature compact i and drift free layers that are insensitive to i variations in temperature In addition this i cold process makes it possible to apply i coatings to temperature sensitive materials i such as laser crystals Highest damage i thresholds and highest possible reflection values R gt 99 99 make IBS the perf
67. on full spherical images to help accurately measure document and visualise a location building or terrain The image resolution of the iStar exceeds that of traditional cameras and when superimposed onto point cloud data allows the viewer to visualise the scene www nctech co uk sensitivity of lt 50e noise at 20 C case temperature and can be operated at integration times as short as 100 microseconds The Tau SWIR runs on less than 4W of power weighs less than 130g and takes up approximately 1 302cm of volume The camera operates at 30 frames per second and supports sub windowing when higher frame rate are required www flir com NEW MLD Series High performance laser diode modules from COBOLT 405nm 445nm 473nm 488nm 515nm 640nm 660nm operation Power up to 100mW Near perfect beam M lt 1 2 Analog modulation DC 2MHz Digital modulation lt 2 5ns risetime All control electronics fully integrated into laser head Ultra robust design Industry standard package All the quality and performance you d expect from the manufacturer of industry leading 355 457 473 491 515 532 561 594 660 and 1064nm DPSS lasers BAY WAXY laserlines Laser Lines Ltd Beaumont Close Banbury Oxon OX16 1TH Tel 01295 672500 Email stevek laserlines co uk We know the value of being well connected Sales Representative Scotland amp North Cicorel are seeking a representative to support t
68. onics industry go to www electrooptics com applications NEWS Laser delivers 20 per cent boost for cell manufacturer High temperature measuring cell specialist Imes has invested in a laser welding station leading to a 20 per cent production capacity increase The investment followed a record year of sales in 2011 for Imes measuring cells designed for large gas and diesel engines This meant the company faced the challenge of doubling its production capacity by the turn of the year Imes located in southern Germany manufactures high temperature resistant pressure sensors that are in the main supplied to manufacturers of engines for large ships and static engines generally with power ratings from 250kW to 18MW With the increase in production capacity required laser welding in house was deemed necessary We are already welding an additional joint with the laser said Imes managing director Stefan Neumann And our new product which we will launch in 2012 features several laser welds Imes is using the Rofin Select laser workstation It is both a manual welding laser and a high precision CNC system with a multi functional joystick It has a CNC driven rotary axis that allows for a fully automated process The Rofin team were able to deliver the laser welding station within four weeks from the point at which work began on application development g ELECTRO OPTICS MAY 2012 Star tracke
69. ont panel control The LDT 5940C includes USB 2 0 and IEEE 488 1 GPIB interfaces for remote instrument operation in R amp D or manufacturing environments LabVIEW drivers for the LDT 5940C are available for download from the ILX Lightwave website www ilxlightwave com The LDT 5940C features GOW of temperature control an intuitive front panel and standard GPIB and USB 2 0 remote interface The LDT 5940C was designed for customers requiring higher power and high Stability This new temperature controller with digital PID control loop achieves temperature stability of less than 0 003 C with output current noise and ripple less than 2mA rms For fast setup the LDT 5940C incorporates preset PID values and a fast auto tune PID mode that automatically determines optimal PID values The LDT 5940C is compatible with Oslo 6 6 is Windows 7 compatible Lambda Research has announced the latest release of its Oslo lens design software version 6 6 Oslo 6 6 is now fully compatible with Windows 7 and program improvements include Step file export Tops merit functions NotePad editor a user selectable private folder Q Type Asphere improvement Premium edition only and an updated help system This release also includes updated glass and vendor lens catalogues The new Tops merit functions are based on merit functions developed in the 1960s and 1970s by professor Charles Wynne Prudence Wormell Dr Michael Kidger David Freeman
70. ors at the edges of the image It can be digitally corrected by flat field correction but this reduces the dynamic range of the system Vignetting can be the result of being at the edge of the field of view of the lens or it can be caused by the mechanics of the lens creating a shading ettect A third distortion is sensor shading Image sensors have micro lenses covering each pixel to funnel all the light into the sensitive part of the pixel Moving out towards the edges of the sensor the light entering the micro lenses will be at different angles and therefore will have different focal points which effectively equates to less light reaching the pixels Higher quality lenses will generally have more lens elements with some exceeding 10 optical elements to correct for various distortions Minimising distortion is important for machine vision when making precise measurements of an object notes Williamson Imaging at different wavelengths can also create artefacts in the image that need to be ironed out by the optics As the wavelength alters the optics diffract the light differently states Williamson This can potentially be a problem for colour imaging as the red passing through the optic will diffract differently to the blue resulting in colour banding at the corners a The lens has a big impact on what resolution the system will be able to image of image This is most obvious with a three chip camera becau
71. osition to correct errors and increase yield Find out more at Optatec or visit us online aa ae STONIS at www evatecnet com products optics toolbox to hear about our new complete thin solutions for precision optics using evaporation or sputter LEDs AR COATINGS TCOs LASER MIRRORS IR OPTICS EVATEC THE OPTICAL THIN FILM POWERHOUSE www evatecnet com iwa OPCO aboratory inc Custom Precision Optics Thin Film Coating Custom Designs Modeling Capability AR Broadband Dual Band Reflective Protected and Enhanced Metallics Multi Layer Dielectrics 126nm to 25um es Replication Exact Reproduction in Accuracy and Surface Quality for Ellipsoid Paraboloid Toroidal Plano Spherical Mirrors amp Diffraction Gratings Unlimited Variety of Substrates Metals Glass Graphite Silicon Carbide Monolithic Low Cost Reusable Optical Assemblies Multi Element Optical Electro Mechanical Prototype and Production Quantities Aligned Pre Tested and Certified Class 1000 Clean Rooms TEL 978 345 2522 www opcolab com info opcolab com electro optics NEW WHITEPAPERS NOW ONLINE DESIGN AND TEST OF FAST LA DRIVER CIRCUITS i By iC Haus In laser sensor and measurement apr challenges of the design of fast d demanding task This white p fast driver circuits PCB layo considerations as well as a design for pulses as short as AC CONDUCTIVITY OF CD BOROSILICATE GLASSE
72. out the lased object can be recorded on its surface induce cracking _ diamond purchase _ to be inscribed on the _ be carried out Or a company may APPLICATIONS MARKING Coherent Counterfeit parts are a problem the aerospace industry has been tacking for a number of years A comprehensive traceability of i products becomes more and more important for manufacturers in various branches of industry because nowadays the piracy _ of products poses a serious d You can induce carbonisation to create a blacker mark problem for worldwide operating _ enterprises Components are _ marked by conventional laser systems or by needle stamping _ However the markings of both techniques can be easily copied by the use of suitable equipment The economic damage caused by excimer marking lasers where Delmdahl product piracy amounts to about gt www electrooptics com MAY 2012 ELECTRO OPTICS Coherent APPLICATIONS MARKING a Counterfeit aerospace aoe can find their way into maintenance supply chains 30 billion Euros every year and taking Germany as an example 10 000 people lose their jobs every year due to it A technology that will help to fight this is now reaching the market in the form of forgery proof laser holography identification marking according to its developer 3D Micromac The result of a two year project called Perfekt Yves Rausch 3D Micromac s hea
73. packages chip on substrate CS mount or C mount lasers with currents up to 250A per device in continuous wave or quasi continuous wave pulsed modes The laser diode test burn in and life test system offers protection features at a low cost per device according to Yelo 1 TA Ti Jelo CA ih Va Y OIJ OV Un Beam analyser goes low cost Precision laser measurement equipment provider and Newport brand Spiricon has announced BeamMic a new laser beam analyser for a low cost entry level system BeamMic includes easy to use software that measures a beam s size shape uniformity and mode content Beam intensity profiles are displayed simultaneously in 2D and 3D Statistical analyses can be performed Compact photodiodes available for small systems Laser Components has unveiled its HO series of photodiodes receivers that are supplied in a compact modified TO5 housing with a diameter of about 5mm The HO series can be integrated into small systems that can be used for measuring distances or detecting the smallest light signals With its HO series Laser Components has developed an APD receiver with an inherent noise of nearly zero Depending on the integrated feedback resistor a bandwidth from DC and up to 80MHz can be achieved If the SAR5O0O a Avalanche PhotoDiode receivers APD with a diameter of 500um is integrated the module has a noise equivalent power of 4 86fW v Hz at an amplification of 3 x LO7V W Wi
74. r directs European spacecraft to dock with space station On 23 March e2v imaging sensors were launched into space onboard the European Space Agency s ESA Edoardo Amaldi spacecraft the third Automated Transfer Vehicle ATV to be sent to the International Space Station ISS The e2v CCD47 20 imaging sensors are used for the ATV s star tracker an optical device that determines spacecraft orientation by its position relative to stars and a videometer which is for ISS rendezvous and docking The first and second ATVs named Jules Verne and Johannes Kepler were also equipped with these e2v imaging sensors e2v s marketing manager Jon Kemp said Edoardo Amaldi is the third ATV to have been successfully launched into space e2v s imaging sensors are a key component in enabling the ATVs to dock successfully with the ISS and provide essential Support to the astronauts onboard The Edoardo Amaldi named after the Italian physicist and spaceflight pioneer was carried into orbit onboard an Arianespace Ariane 5 rocket from French Guiana The Amaldi carries almost 7 000kg cw Europe s Automated Transfer Veh International Space Station of cargo to the ISS 360km above the Earth The ISS relies on frequent deliveries of equipment spare parts food air and water for its permanent crew The unmanned ATV is essential in delivering supplies to it and will stay attached to the station until the 27 August The ATV fir
75. r fields The GuideStar II controller can be connected to both cameras and to a Windows computer using the convenient USB ports This makes it easy to view beam profiles position and shape data in real time or alternatively the data can be tracked stored and analysed later The included DVD software and setup menu helps guide new users through installation Intuitive and simple settings menus permit user control over a wide range of camera and beam stabilisation parameters www newport com electro optics te ELECTRO OPTICS MAY 2012 www electrooptics com subscribe www electrooptics com Accessories Debris shields deter Optical Surfaces debris shields for target facing optics protection are being offered in any shape and thickness The use of debris shields to protect expensive reflective or refractive focusing high power optics is an established technique for extending their lifetime Working with a range of glasses including BK 7 and fused silica which provide transmission from the ultraviolet to the near infrared Optical Surfaces is able to supply customer specified debris shields in many shapes and thicknesses Debris shields up to 600mm in diameter with a typical wavefront error of lambda 10 and surface finish of 40 20 10 5 cam be produced www optisurf com Cameras and Imaging Order of magnitude improvement for near infrared Hamamatsu Photonics has introduced a new streak ca
76. r lens mounted directly in front of the laser diode chip inside the hermetic TO can A divergence of 5mrad is achieved depending on the lens used resulting in 12 degree x 5mrad divergence which can save engineering costs ie ELECTRO OPTICS MAY 2012 and allow for a more compact i range finder design The design i can withstand high acceleration rates of over 1000g ms and can i withstand high temperatures of i up to 85 C This technology is i also available with 905nm pulsed i laser diodes and if the wavelength i has to be controlled exactly a i thermoelectric cooler TEC can be integrated into the housing www lasercomponents co uk Qioptiq has expanded its i range of iFLEX Gemini lasers 2 to include additional pairings i like 405nm and 660nm plus 488nm and 640nm The 2 iFLEX Gemini dual diode laser i system is compact low noise i has low power consumption i and dual wavelength collinear i output enabling researchers and i manufacturers to innovate their approach to laser illumination i to achieve smaller instruments performance improvements and i cost savings Novel architecture i allows both wavelengths in the i iFLEX Gemini to be controlled i independently CW or directly i modulated The singlemode i linearly polarised fiber output from the iFLEX Gemini can be provided with connectors such as i FC APC FCP8 or alternatively with a collimated or focussed output using achro
77. r requirements E E E EE HE amp A Dedicated to the Science of Motion Aerotech Worldwide Aerotech Lid Jupiter House Calleva Pa rk Aldermaston Berkshire RG7 8NN UK United States France Germany United Kingdom China Japan Taiwan Tel 44 0 118 940 9400 Email sales aerotech co uk K Aya www aerotech com a AEROTECH gt INFRARED INTERFEROMETRY The renowned INTERFIRE I range of IR interferometers marketed by Precision Solutions is designed for performance testing of infrared materials and optical systems With a wide choice of operating wavelengths static and phase shilt fringe anahsis options and a host of accessories the versatile NTERFIRE Il can be used in production quality control or research applications PEAK BETWEEN YOUR EYE PINTERFIREN 850 P INTERFIRE I 1 55 PEAK ALL ABOUT OPTICS We are producing lenses prisms glasses measuring instruments according to specifications by individual customers TOHKAI SANGYO CO LTD IPECISI N 3 24 2 YUSHIMA BUNKYO KU TOKYO 113 JAPAN SOLUTIONSS SAAMATA sree TEL 81 3 3834 5711 FAX 81 3 3836 9097 Smagen nea are irp od TECHNOLOGY PRODUCTS Product uodate More products now online at www electrooptics com products Accessories Sputtering to deliver compact near infrared coatings Laser Components now offers precise compact layers with a very low wavelength drift using sputtering This process along with the company s on lin
78. r type 0165 which protects singla photon counting modules Also supplied ore low noise signal recovery current voltage and against radiation of harmonic lock in amplifiers loser proximity OFM modules paltier heatpumps TECs SSHPs ond a mnge of NAAC aie and fore cere occessory ens such os loser solely goggles IR converter cords ond optical fibre tools YAG disk i with high protection levels in the area of 180 532nm and 930 1100nm And the second is the filter type 0160 which provides in addition to type 0165 LASER S protection against radiation of BER EES COMPONENTS pump lasers The expanded k mm protection covers 180 532nm and 750 1200nm www protect laserschutz de www electrooptics com MAY 2012 ELECTRO OPTICS OXXIUS Simply Light For Biophotonics 375 405 445 488 515 Ma 5 561 e Same Industry Standard package for all wavelengths e Output Power up to 500 mW e Optical Noise lt 0 2 rms e Power Stability lt 1 p p For Spectroscopy and ae Interferometry e Single Longitudinal Mode e Coherence Length gt 50 m e Wavelength Stability lt 1 pm e Output Power up to 300 mW e TEM Beam Quality Worldwide support sales oxxius com www OXxXXius com Laser diode testing gets high powered Yelo the laser diode test burn in and life test systems provider has launched its new system for high power laser diodes Yelo s solution can test microchannel cooled
79. racy to hit your target market SCAN CONTROL a ST ii At Cambridge Technology hitting your target is Galvanometers our challenge Today new applications in laser Scanning Sets scanning for cutting drilling marking etching and Controllers even welding are pushing the limits of system Scan Heads accuracy From our best in class precision scanners Custom Scanning Solutions a and low dither servos to the ultimate Lightning II all LIGHTNING II DIGITAL your most challenging accuracy targets 25 Hartwell Ave e Lexington MA 02421 e USA P 781 541 1600 e F 781 541 1601 Learn more at www cambridgetechnology com www cambridgetechnology com accuracy TECHNOLOGY PERFORMANCE QUALITY VALUE RANGE OF PRODUCTS APPLICATIONS EXPERTISE ey Cambridge Technology MOVING LIGHT YEARS AHEAD Integrated Optical Measurement Systems Spectrometers Accessories Sub Assemblies Complete Solutions Creating Products Enabling Solutions For the past 20 years our innovative approach has enabled hundreds of new products and technologies With dedicated support and resources Ocean Optics OEM is your trusted and experienced OEM partner Global Company Local Support With engineering manufacturing service and support in the United States Europe and Asia as well as representation in over 80 countries we are ready to support all of your OEM business needs Flexible Approach On Time D
80. rd 3 lead hermetically sealed TO 39 package to accommodate the small size 0 026 x 0 026 inch chip There are four wire bonds on die corners and all surfaces are gold plated for added durability Typically the total power output at 25C is 110mW and the minimum output is 55mW with peak emission wavelength at 850nm The absolute maximum rating at 25C for power dissipation is 1000mW with a continuous forward current rating at 500mW The OD 110L lead soldering temperature 1 16 inch from the case for Plug and play with Obis Coherent has expanded its Obis family of plug and play smart laser modules and accessories by _ introducing the 6 Laser Remote that integrates the power supply and control of up to six separate l lasers This new accessory is the same compact size 105 x 68 x 36 mm as the existing Obis single laser remote The 6 Laser Remote not only integrates operation of multiple lasers it also reduces the cost of ownership and the footprint of the overall system since it allows all the lasers to use a Single 12V power supply It incorporates a CDRH requisite on off master key switch as well as individual colour coded flip switches to power on off up to six different Obis lasers Moreover this new remote is offered as a package with a 12V power supply module together with colour coded labels and six colour coded cables to clearly identify different wavelength lasers www coherent com 10 seconds is 260C Storage
81. rom 22 25 May at the Frankfurt Exhibition Centre offers an opportunity to view the latest innovations from the many companies and new products on offer Here s a preview of what to expect AVANTES _ Starline dual gt PPE Avantes will introduce its AvaSpec RS spectrometer Miniature spectrometers are versatile portable and well appreciated by researchers and engineers worldwide Avantes has developed a configurable miniature spectrometer allowing easy on the go slit and connector changes According to Avantes only a screwdriver is needed to reconfigure the spectrometer and continue the measurements with a new set up This microspectrometer can be adapted to changing needs whether the user requires higher throughput or higher resolution This is enabled by a proprietary Avantes ultralow stray light optical bench technology Due to Coherent will present its new Structured Light Laser Portfolio at Optatec 2012 Coherent will continue its expansion within the machine vision market by direct distribution of its own Structured Light product line With a market presence of more than 20 years Coherent s Structured Light laser technology stands out through its diversity of services The built in powell lense and the diffractive optical elements provide dot matrices structures that are all ELECTRO OPTICS MAY 2012 AVANTES ilorinng im rere Sit Hig Sena Slings Hen D pirm amg eTEN bari ispum trpi i this technol
82. s only visible to the editors and section editors the authors will not know who performed the review and privacy is guaranteed All persons concerned are asked to register at www jeos org or to contact the editing team at jeos rp myeos org NIOZ JEOS RP FIRST PAPERS IN VOLUME 7 2012 PUBLISHED Nine papers were recently published in JEOS RP the online Journal of the European Optical Society Rapid Publications To read the full papers please go online at www jeos org Unresonant interaction of laser beams with microdroplets M L Pascu G V Popescu C M Ticos I R Andrei 12001 UV curable glassy material for the manufacture of bulk and nano structured elements R Gvishi G Strum A Englander 12002 Light scattering measurements for quantifying biological cell concentration an optimization of opto geometric parameters A G Mignani L Ciaccheri L Giannelli A A Mencaglia 12003 Eigenvalue calibration methods for polarimetry C Macias Romero P T r k 12004 Effect of the Metallization on the Resonances of THz Fishnet Metamaterials C Sabah H G Roskos 12005 Applications of Digital Holography From Microscopy to 3D Television T Kreis 12006 Microlens array production in a microtechnological dry etch and reflow process for display applications T Knieling M Shafi W Lang W Benecke 12007 Broadband photonic crystal antireflection M Mal
83. scanners cambridgetechnology com www camtech com _ Crystran Ltd 44 1202 307650 _ Sales crystran co uk www crystran co uk www electrooptics com Edmund Optics Corporate headquarters 1 856 573 6250 sales edmundoptics com www edmundoptics co uk Edmund Optics UK 44 0 1904 788600 uksales edmundoptics co uk www edmundoptics co uk Imagine Optic SA Tel 33 0 1 64 86 15 60 contact imagine optic com www imagine optic com Knight Optical UK Itd 44 0 1622 859444 info knightoptical co uk www knightoptical com LASEROPTIK GmbH 00 49 5131 4597 0 service laseroptik de www laseroptik de OPCO Laboratory Inc 001 978 345 2522 info opcolab com www opcolab com ULO Optics Ltd 44 0 1438 767 500 sales ulooptics com www ulooptics com Roditi International Corporation Ltd 44 20 7819 8080 sales roditi com www roditi com Edmund Optics Corporate headquarters 1 856 573 6250 sales edmundoptics com www edmundoptics co uk Edmund Optics UK 44 0 1904 788600 uksales edmundoptics co uk www edmundoptics co uk Cambridge Technology Inc 001 781 541 1600 scanners cambridgetechnology com www camtech com Edmund Optics Corporate headquarters 1 856 573 6250 sales edmundoptics com www edmundoptics co uk Edmund Optics UK 44 0 1904 788600 uksales edmundoptics co uk www edmundoptics co uk www electrooptics com Laser Support Services Ltd 44 0 1333 311938 enqu
84. se there will be a prism diffracting the light as well Three chip cameras should use a 3CCD lens to avoid this says Williamson which has a specific optical setup to achieve the same level of diffraction throughout the lens Imaging in the infrared will again have a different focal point and to be able to switch between infrared and visible requires an infrared corrected lens although Williamson notes there is generally not a big demand for doing this in machine vision A standard lens will still operate in the infrared but will have a slightly different focal point compared to working in the visible Working in the shortwave infrared SWIR band the lensing becomes significantly more difficult due to the lack of glasses available LASER TRIANGULATION Laser triangulation is a common technique in machine vision used to acquire a 3D height profile of a part under inspection The typical setup involves a camera imaging distortions in a laser line as the part moves across the line s path Various optical systems are available to shape the laser light for 3D triangulation creating light patterns like lines crosshairs or grids of points The optics are typically refractive or a combination of refractive and diffractive elements depending on the type of pattern says Wallace Latimer product manager at Coherent which produces optics for this area You can create high intensity illumination fields that are highly struc
85. sor Alwyn Seeds head of University College London s UCL Department of Electronic and Electrical Engineering He said This programme will enable us to address the THz spectrum with the same precision and sensitivity as is today possible at radio frequencies The project will involve the Cavendish Laboratory the University of Cambridge UCL s Department of Electronic and Electrical Engineering the London Centre for Nanotechnology and the University of Leeds School of Electronic and Electrical Engineering www electrooptics com Limited by Your Light Source SuperK EXTREME white light lasers Get any wavelength you want Excite at any wavelength in the 400 to 2400 nm range with Watt level fiber delivered output Get all wavelengths at once or use our plug amp play tunable filters to get exactly the wavelengths you need Lifetime measurements are easy with variable rep rate and integrated FLIM approved NIM trigger lt gl The source lifetime exceeds thousands of hours and no service or alignment is needed Worried about your budget We offer warranty extensions and remote diagnostics to make sure there are no surprises Leica VOQUDUEVANUUUNVAUENOLUUONNL Contact us for a FREE demonstration laser_sales nktphotonics com amp www nktphotonics com superkextreme i E amp E ie Photonics e the power of light For the latest applications news from the phot
86. th the 80um or 200um Indium Gallium Arsenide APD of the IAG series the following values can be achieved 1 1 x LO6V W 0 47pW y Hz on measurement functions and minimum maximum limits can be set for pass fail testing Results are logged and can be exported to industry standard formats A configurable report generator allows cutting and pasting of results images and settings BeamMic software is integrated with one of four Spiricon USB CCD cameras designed specifically for beam measurements w opniropt com www electrooptics com TECHNOLOGY PRODUCTS Analysis test and measurement Temperature accuracy hots up ILX Lightwave has announced the addition of LDT 5940C Thermoelectric Temperature Controller to its portfolio of thermoelectric temperature controllers designed for testing of laser diodes and other optoelectronic devices a wide range of sensors including user to connect the LDT 5940C thermistors RTDs LM335 and to a laser diode driver and will AD590 IC sensors A new linearised disable the laser output if the thermistor sensor mode allows LDT 5940C is disabled or is over the LDT 5940C to achieve 0 2 C the user configurable temperature temperature accuracy over a wide limit An additional feature of the temperature range from 30 C LDT 5940C is an analog voltage to 85 C with standard 10KQ input for temperature sweeping thermistor Interlocks allow the or tuning without using a remote interface or fr
87. tion melting the oxide www electrooptics com material in to create a dark mark But this also requires more power i Another common marking process i is anodised aluminium Anodised _ means that the base aluminium i is covered in an oxide layer that is often coloured Marking this i normally involves removing a i small amount of this layer of colour to produce a mark on the aluminium beneath PHAROS P Up to 1 5mJ per pulse applications P Up to 15W average power P 1kHz to 1MHz tuneable repetition rate f Includes pulse picker for pulse on demand Not as power hungry but _ requiring great precision is the process to create white marks This requires a small grouping of dots that reflect light in such a i way that the human eye perceives it as a white mark This needs i very good quality beams to i produce the dots so the mark appears white from any angle adds Gabzdyl HIGH POWER FEMTOSECOND LASER FOR INDUSTRIAL AND SCIENTIFIC APPLICATIONS f Tuneable pulse duration 200fs to 10ps f Harmonic generators second third fourth ORPHEUS Mass production reliable cost effective marking with lasers _ has all the characteristics of any _ important process necessary for production Marking might only be skin deep compared to engraving and cutting but _ it provides a product feature _ important to manufacturer and user brand recognition and a quality feel
88. tion techniques The Hamamatsu MEMS spectrometer weighs only 9g and measures 27 6 x 13 x 16 8mm says i Livingstone Ocean Optics is another company that is 2 adapting to the new expectations customers have for mobile devices Definitely the customers are expecting a nice colour screen and easy i touchpad devices as they are used to that Our Jaz platform is one way of going about that for consumer like devices it has a screen and buttons built in says Ocean Optics sales and marketing director Marco Snikkers It is i used by research scientists for all types of field applications The Jaz platform introduced two years ago is a spectrometer that is built up _ from various modules and a module can have a a a Spectroscopy is really becoming a commodity and the volumes are getting larger very specific functionality It could include one i or more optical spectrometers a light source ethernet and a battery module Its brain is a 2 Linux computer with a keypad and display Ocean has a history of spectrometer miniaturisation 20 years ago it created a i spectrometer to be used in the field of ocean research Since then we ve developed quite a lot of spectrometers you must be able to carry the i spectrometer to the sample says Snikkers Our customers have been looking for a low cost and small spectrometer and for that we developed the STS micro spectrometer which is very sm
89. tured for vision applications The optical systems are made up of a prism and an aspheric cylinder lens which distributes the light in a controlled and uniform fashion important for machine vision The optic converts a ELECTRO OPTICS MAY 2012 a Gaussian into a top hat profile which has fairly steep edges with most of the power contained within the line Imaging systems will incorporate any illumination falloff or intensity variation into the images explains Latimer This results in potentially false edges false measurements low resolution or a dynamic range that s outsides the limits of the camera A stable illumination profile is therefore important to make accurate measurements Commercial semiconductor laser diodes have a wide variation in their beam profile and divergence says Latimer The light therefore has to be managed relatively strictly with machine vision to get accurate measurements The optics for these laser diodes might be a relatively niche area for Coherent but Latimer states that there is a lot of value in them in getting higher accuracy and repeatability in machine vision systems according to James of Edmund Optics Glasses for the visible are common which makes designing and optimising the lens easier It can be significantly more complicated in the SWIR he says SWIR imaging has the advantage of identifying defects that visible systems wouldn t be able to pick out such as bruising o
90. une Electro Optics will also be attending these shows In this month s issue you can see our Optatec show preview But if we won t see you there you can still find out the latest news from that show and from Photonics Europe in the email newsletters you can subscribe to EONewsline and EOProductline As always can be contacted through my email rob coppinger europascience com or you can phone me on 44 1223 211185 EDITORIAL AND ADMINISTRATIVE TEAM Tel 44 0 1223 211170 Fax 44 0 1223 211107 Editor Rob Coppinger editor electro europascience com Feature Writer Greg Blackman greg blackman europascience com Contributing Editor Nadya Anscombe nadya anscombe europascience com Circulation readership enquiries Pete Vine subs electro europascience com ADVERTISING Advertising Manager Jon Hunt jon hunt europascience com 44 0 1223 211158 Advertising Sales Executive James Alvin james alvin europascience com 44 0 1223 211176 Advertising Production David Houghton david houghton europascience com 44 0 1223 211196 Fax 44 0 1223 211107 Recruitment advertising Sarah Ellis Miller sarah ellis miller europascience com 44 0 1223 211289 CORPORATE TEAM Chairman Dr Tom Wilkie tom wilkie europascience com Publishing Director Warren Clark warren clark europascience com Electro Optics is published 10 times a year by Europa Science Ltd The Spectrum Building The Michael Young Centre Purbeck Road Cambridge CB2 8PD UK Tel 44 0 1
91. ww cobolt com was developed so that automated i active optics alignment can be i utilised for efficient fibre coupling i into a 200um fibre The device is i a monolithic multi emitter diode i source that permits the handling i multiple emitters during each i manufacturing step to lower both complexity and enhance _ reproducibility of the beam i quality and fibre coupling i The 800W module is based i on spatial and polarisation i multiplexing of individual i beamlets and is equipped with a _ high power QBH fibre connector This device is rated at 600W 976nm for usage in commercial applications such as direct diode as well as for fibre and solid state laser pumping www dilas com Hamamatsu Photonics has introduced a new high power 5W CW single chip laser diode the L11374 This new diode is a lateral multimode type with a broad emitting area of 1OOpm and a centre wavelength of 915nm This new laser diode adds to Hamamatsu s current range of 1 Watt to 8 Watt high power single chip laser diodes available at wavelengths from 808nm to 1064nm The L11374 features very long lifetime characteristics and is available in a Head out OHS package This new high power laser diode has potential applications in both the medical and industrial fields for marking engraving and surface treatments Hamamatsu also offer a range of laser bar devices supplied either as bare diodes or provided as a module wit

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