LaserCam-HR™ - lasertrack.ru
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1. Should you experience difficulties with your product or need technical information please visit our website www Coherent com You can obtain additional support by either telephoning our Technical Support Hotline at 1 800 343 4912 or e mailing our Support Team at support instruments Coherent com Telephone coverage is available Monday through Friday except U S holidays If you call outside our office hours your call will be taken by our answering system and will be returned when the office reopens If there are technical difficulties with your product that cannot be resolved by support mechanisms outlined above please e mail or telephone Coherent Technical Support with a description of the problem and the corrective steps attempted When communicating with our Technical Support Department via the web or telephone the model and serial number of the product will be required by the Support Engineer responding to your request Outside the U S If you are located outside the U S visit our website for technical assistance or telephone our local Service Representative Representative phone numbers and addresses can be found on the Coherent website www Coherent com Coherent provides web and telephone technical assistance as a service to its customers and assumes no liability thereby for any injury or damage that may occur contemporaneous with such services These support services do not under any circumstances affect the2. CE compliant computer and cables Soflware Installation Setup SETUP This section discusses the following topics Software installation this page s Cabling page 8 Mounting the camera page 9 For complete software installation instructions refer to the BeamView USB With LaserCam HR Quick Start Guide 1086147 that shipped with your product To view that document online 1 Connect to out website www Coherent com 2 Type LaserCam HR in the Site Search box top left of the screen and then click the gt gt button 3 Click the LaserCam HR link in the list of search results 4 Click the BeamView USB With LaserCam HR Quick Start Guide link right side of the page under the Literature amp Documentation heading 5 Ifthe Download Request form appears which only happens the first time you visit our website and request literature fill in the information and then click the Submit button at the bottom of the form LaserCam HR User Manual Cabling USB Cable Place the LaserCam HR at the location where the beam will be measured To protect the faceplate from dust leave the dust cap installed until ready to make measure ments Connect the USB 2 0 cable to the USB 2 0 connector on the LaserCam HR camera see Figure 1 Do not connect the cable to the computer until instructed to do S0 Figure 1 USB Cable LaserCam HR produces a standard UB 2 0 digit
3. A M P ya E 9 29 Site Manager mec Figs f i LaserCam HR User Manual Description DESCRIPTION The LaserCam HR Beam Diagnostics Digital CMOS camera utilizes a laser grade 4 inch progressive scan CMOS sensor for detection and analysis of laser beam profiles from 270 um to 5 5 mm in diameter with 6 7 um by 6 7 um spatial resolution over the spectral range of 300 to 1100 nm LaserCam HR characteristics include excellent signal to noise ratio and linear response for accurate beam dimension and uniformity measurements and high overexposure protection for distortion less measurements of saturated beam profiles Other features include USB 2 0 digital interface Compact design minimizes space required in optical train Mountable in any orientation for maximum flexi bility Camera markings provide for X Y and 38 6 alignments Usesasingle interface cable for data and power A Low Distortion Faceplate LDFP that mini mizes room light protects the CMOS array and provides laser grade quality attenuation of 2500 1 e High sensitivity and dynamic range e Nolag geometric distortion or image burn in LaserCam HR User Manual Accepts C mount optics including all Coherent optical sampling attenuation and UV conversion accessories High resolution 1280 x 1024 active picture elements pixels Requires only USB 2 0 connections CE compliant when used with
4. Cleaning the sensor page 15 Fringes page 16 How to get the most from your LaserCam HR system page 17 11 LaserCam HR User Manual Pixel Spacing The LaserCam HR pixel spacing values are shown in Table 1 Table 1 Pixel Spacing for LaserCam HR Horizontal Spacing Vertical Spacing LaserCam HR 6 70 um 6 70 um Power On LaserCam HR has no ON OFF switch As soon as power is applied to the camera via the USB 2 0 connection it begins operating Warm Up The LaserCam HR does not require warm up However Time if it is used to make high accuracy measurements it should be allowed to warm up at least 15 minutes to insure best baseline background stability For best results the background map should be taken after the camera warm up period 12 Maximum Power Levels Saturation Operation The camera will saturate at approximately 16 0 uW cm at 633 nm wavelength 320 0 uW cm at 1 06 um wave length or 3 2 uJ cm pulsed 1 06 uum wavelength Damage may occur at power levels that exceed 10 000 times saturation power density Table 2 Saturation 633 nm CW 16 0 uW cm 40 0 mW cm 1064 nm CW 320 0 uW cm 800 0 mW cm 1064 nm Pulse 3 2 uJ cm 8 0 mJ cm Trigger Trigger In The LaserCam HR trigger permits the beam diagnostic system to interface to pulsed lasers and transient optical events including single shot lasers Trigger In uses the BNC connector labeled IN on the LaserCam HR trigge
5. terms of any warranty agreement between Coherent and the buyer Operating a Coherent product with any of its interlocks defeated is always at the operator s risk iii LaserCam HR User Manual iv Table of Contents TABLE OF CONTENTS vii U S Export Control Laws Compliance vii Publication Updates c oe i be t t is vii Symbols Used in This Document nenne viii ON PO EN ets 1 Declaration of ei 3 Description Essen un ne en 5 SEIUD 7 Software Installations sell y iet nte ede ett 8 WISE Cable se u eu 8 Treger Gabler nee senken 9 Mounting the Camera means 9 Operation aaa 11 Pixel S pae Ino sceau ser en a 12 POWER OM e a a ted e 12 b ensi T Dm sa 12 Maximum Power Levels SR nate ae AS 13 Satur ATION ui ese aci rio ea t ea ese eis ede y ve v dene 13 13 Trigger Ini e UI Gee Paucis 13 Tigger ST ton esee Los oci Pair tte 14 Low Distortion Faceplate LDFP 14 Dust Dirt ae se 15 Cleaning the Sensor ee ee 15 gane Me 16 LaserCam HR User Manual How to Get the Most From Your LaserCam HR System 17 Warranty ur DE us 21 Limited Watany cessi eis eile nail bu le
6. ud eats 21 Warranty Limitations ass EH od os EH ai IR EPOR HR 22 Obtaining Seien cepe adam pee ds tain ha Burns 22 Product Shipping Instructions 24 Appendix A Specifications sss 25 LisT OF TABLES l Pixel Spacing for LaserCam HR ss 12 2 ans eier Ml tue 13 3 Coherent Service Centers unse les 23 4 Specitic oaa ve M edes ia tee isa eere qe A dedere s 25 LisT OF FIGURES l USB Cab c spon ei 8 2 Trigger Cable ca nenne ie feti 9 3 Mounting Configurations 10 4 Duston Filter Glass reso scita e raster gil 15 5 17 vi Preface U S Export Control Laws Compliance Publication Updates Preface This manual contains user information for the LaserCam HR Beam Diagnostics Digital CMOS Camera It is the policy of Coherent to comply strictly with U S export control laws Export and re export of lasers manufactured by Coherent are subject to U S Export Administration Regulations which are administered by the Commerce Department In addition shipments of certain components are regu lated by the State Department under the International Traffic in Arms Regulations The applicable restrictions vary depending on the specific product involved and its destination In some cases U S law requires that U S Government approval be obtained prior to resale export or re export of certain articles When there is uncertainty about the obligations imposed by U S l
7. User Manual LaserCam HR Beam Diagnostics Digital CMOS Camera USB 2 0 COHERENT User Manual LaserCam HR Beam Diagnostics Digital CMOS Camera USB 2 0 COHERENT 7470 SW Bridgeport Rd Portland OR 97224 LaserCam HR User Manual This document is copyrighted with all rights reserved Under the copyright laws this document may not be copied in whole or in part or reproduced in any other media without the express written permission of Coherent Inc Permitted copies must carry the same proprietary and copyright notices as were affixed to the original This exception does not allow copies to be made for others whether or not sold but all the material purchased may be sold given or loaned to another person Under the law copying includes translation into another language Coherent and the Coherent Logo are registered trademarks of Coherent Inc LaserCam HR BeamView Analyzer and BeamView USB are trademarks of Coherent Inc Every effort has been made to ensure that the data given in this document is accurate The information figures tables specifications and schematics contained herein are subject to change without notice Coherent makes no warranty or representation either expressed or implied with respect to this document In no event will Coherent be liable for any direct indirect special incidental or consequential damages resulting from any defects in its documentation Technical Support In the U S
8. al signal It will interface through the USB 2 0 connector of any compatible PC using Coherent BeamView Version 4 3 software Connecting the optional trigger cable is discussed next Trigger Cable Mounting the Camera Setup For information about the LaserCam HR trigger refer to Trigger on page 13 Figure 2 Trigger Cable LaserCam HR is designed to be mounted in any rota tional position in Figure 3 0 to 360 with a 20 threaded mounting post for mounting post location see Physical Dimensions on page 25 Alignment marks permit the camera to be rotated and aligned with the vertical horizontal and diagonal orientation of the sensor The diagonal alignment mark helps identify the maximum diagonal position of the sensor array Depending on the mounting orientation of the camera the diagonal alignment mark will be either 38 or 52 off axis to account for the rectangular shape of the LaserCam HR User Manual sensor Note that the beam movement on the camera will not match the beam movement on the monitor for all positions Diagonal Alignment Mark L Figure 3 Mounting Configurations 10 Operation OPERATION This section discusses the following topics Pixel spacing page 12 Power on page 12 s Warm up time page 12 Maximum power levels page 13 Saturation page 13 Trigger page 13 Low Distortion Face Plate LDFP page 14 Dust dirt page 15
9. aw clarification should be obtained from Coherent or an appropriate U S Government agency To view information that may have been added or changed since this publication went to print 1 Connect to www Coherent com 2 LaserCam HR in the Site Search box top left of the screen and then click the gt gt button vii LaserCam HR User Manual Symbols Used in This Document This symbol is intended to alert the operator to the presence of exposure to hazardous visible and invis ible laser radiation This symbol is intended to alert the operator to the presence of dangerous voltages associated with the product that may be of sufficient magnitude to consti tute a risk of electrical shock This symbol is intended to alert the operator to the presence of important operating and maintenance instructions viii Safety SAFETY Carefully review the following safety information to avoid personal injury and to prevent damage to this instrument or any sensor connected to it This equipment contains no user serviceable parts For service informa tion refer to Obtaining Service on page 22 The use and measuring of lasers is potentially dangerous This instrument operates over wave lengths that include non visible laser emissions Proper laser operating practice in accordance with manu facturer recommendations is vital Eyewear and other personal protective equipment must be used in accordance with a
10. gned to explain all of the functions in an easy to use format Observe standard Laser Safety procedures The eyes you save may be your own 19 LaserCam HR User Manual 20 Limited Warranty Warranty WARRANTY This section includes information on the following topics Limited warranty this page Warranty limitations page 22 Obtaining service page 22 Product shipping instructions page 24 Coherent Inc the warrants its laser beam diagnostic products Products to the original purchaser the Customer that the product is free from defects in materials and workmanship and complies with all specifications active at the time of purchase for a period of twelve 12 months Ifthe Product fails and is returned to the Company within one year following the date of purchase the Company will at its option repair or replace the Product or any component found to be defective This warranty applies only to the original purchaser and is not transferable Coherent Inc will at its option repair or replace any product or component found to be defective during the warranty period This warranty applies only to the orig inal purchaser and is not transferable 21 LaserCam HR User Manual Warranty Limitations Obtaining Service The foregoing warranties shall not apply and Coherent reserves the right to refuse warranty service should malfunction or failure result fro
11. m a Damage caused by improper installation handling or use Laser damage including sensor elements damaged beyond repair e Failure to follow recommended maintenance procedures Unauthorized product modification or repair Operation outside the environmental specifications of the product Coherent assumes no liability for Customer supplied material returned with Products for warranty service or recalibration THIS WARRANTY IS EXCLUSIVE IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR IMPLIED COHERENT SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL THE COMPANY BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH ITS PRODUCTS In order to obtain service under this warranty Customer must notify the Company of the defect before the expira tion of the warranty period and make suitable arrange ments for the performance of service The Company 22 Warranty shall in its sole discretion determine whether to perform warranty service at the Customer s facility at the Company s facility or at an authorized repair station If Customer is directed by the Company to ship the product to the Company or a repair station Customer shall package the product to protect from damage during shipping and ship it to the address specified by the Company shipping prepaid The Company shall pay the cost of ship
12. m taller wider and deeper than the product The shipping carton must be constructed of card board with a minimum of 375 Ib 170 kg test strength Cushion the instrument in the shipping carton with packing material or urethane foam on all sides between the carton and the product Allow 3 in 7 5 cm on all sides top and bottom Seat the shipping carton with shipping tape or an industrial stapler Ship the product to Coherent Inc 7470 SW Bridgeport Rd Portland OR 97224 Attn add the RMA number you received from Coherent Customer Service 24 Appendix A Specifications APPENDIX SPECIFICATIONS Table 4 lists specifications for the LaserCam HR Table 4 Specifications PARAMETER DESCRIPTION GENERAL Physical Dimensions lt 68 1 mm gt 34 0 mm lt lt S LZ 45 3 mm ii _ ve 4 1 mm from housing 366mm 832169 mm lt face to element face 1 20 locating surface optional M6 rotational mount available part 1086781 17 8 mm from LDFP to element face locating surface E d mm 25 LaserCam HR User Manual Table 4 Specifications Continued Dimensional Accuracy 1 typical 5 over entire spectral and dimensional range 26 Appendix A Specifications Table 4 Specifications Continued PARAMETER DESCRIPTION Weigh
13. ping the Product back to the Customer in conjunction with product failures within the first twelve months of time of sale A Returned Material Authorization number RMA assigned by the Company must be included on the outside of all shipping packages and containers Items returned without an RMA number are subject to return to the sender For the latest Customer Service information refer to our website www Coherent com Detailed instructions on how to prepare a product for shipping are shown under Product Shipping Instruc tions on page 24 Table 3 Coherent Service Centers LOCATION USA 1 800 343 4912 971 327 2777 info service QCoherent com Europe 49 6071 968 0 49 6071 968 499 info service g Coherent com International 971 327 2700 971 327 2777 info_service Coherent com 23 LaserCam HR User Manual Product Shipping Instructions To prepare the product for shipping to Coherent l Contact Coherent Customer Service refer to Table 3 on page 23 for a Return Material Authori zation number Attach a tag to the product that includes the name and address of the owner the person to contact the serial number and the RMA number you received from Coherent Customer Service Wrap the product with polyethylene sheeting or equivalent material If the original packing material and carton are not available obtain a corrugated cardboard shipping carton with inside dimensions that are at least 6 in 15 c
14. pplicable laws and regula tions If in doubt of correct operating procedures consult the laser manufacturer and your laser safety officer The equipment is not for use in critical medical environ ments Do not operate the camera if its panels are removed or any of the interior circuitry is exposed LaserCam HR User Manual Do not operate the camera in wet or damp conditions or in an explosive atmosphere Operate the camera only within the specified voltage range Do not operate the camera if there are suspected fail ures Refer damaged equipment to qualified Coherent service personnel Safety Declaration of Conformity Declaration of Conformity We Coherent Inc 7470 SW Bridgeport Anad Portland Oregon USA 37224 declare under sole responsibility that Ehe LaserCarn HR the intent of Directive D3 335 EEC for Electromagnetic Compatibility Compliance was demonstrated per testing to ENGL 326 Electromagnetic ity Product Family Standard for Measurement Control and Laboratory Equigment to induce the Following test specifications as of June 2005 EN55011 Class Radiated Emissions ENS 1000 2 Electrestatic Discharge Performance Criteria C Cepia of during and after app amp catzs of peace od kw lha et cure Wilkes neplanarramst of darsiaged parti ENG TNI 3 3 Rachkated immunity Performance Criteria
15. r frame update rates Again the faster the better Keep all optics clean Dirty LDFP beam sampling and attenuation optics will distort the beam under test It is important that you regularly check these optical surfaces for dust fingerprints and other contamination Follow standard coated optical surfaces cleaning techniques Use the Inclu sion command to reduce the size and amount of data that is processed The Inclusion command provides control of the sensor area where calculations are performed Reducing this area can significantly increase frame update rates and is especially effective with small spot sizes Cleaning the sensor surface will void the warranty and most likely will damage the camera It is strongly recommended that the LDFP always be left in place and that the dust cap be used to protect the LDFP when the instrument is not in use Read the user documentation The LaserCam HR is a complex piece of optical test equipment Many functions are included in the system that may not be obvious to a casual or first time user Review the LaserCam HR User Manual this manual and the BeamView USB Help accessed by clicking the Help button in the BeamView software to learn about these useful functions Many calcula 18 Operation tions and functions that may at first appear to require post processing or exporting of the data to another application are included in the instrument The user documentation is desi
16. r cable This 5 VDC TTL input available on the rising or falling edge causes the camera to immediately reset and begin integrating 13 LaserCam HR User Manual Trigger Out Low Distortion Faceplate LDFP light The Trigger In delay is 150 uS This is the time it takes for the camera to begin integrating light once the trigger signal occurs The LaserCam HR is capable of sampling laser pulse repetition rates of up to 100 Hz without averaging adjacent pulses Trigger Out has been eliminated on this version of LaserCam Coherent suggests that an external pulse generator be used if the laser under test does not supply a sync out signal Connect the pulse generator to the Trigger In connector A delayed trigger should be applied to the Enable or Trigger input connector of the laser Keep in mind that integration begins 150 uS after the rising edge of the camera trigger Trigger In so you must delay the laser enable pulse by 150 uS minus any delay in the laser firing circuit The Low Distortion Faceplate provides a protective window for the camera array that also acts as a back ground attenuator with 0 0496 to 0 0596 typical The LDFP is made of laser grade filter glass that minimizes interference fringes refer to Fringes on page 16 and does not distort the beam image The LDFP limits room light instrumentation lights and flash lamp light from reaching the camera sensor These lights cause a back ground level tha
17. rreversible damage Always cover the sensor with a dust cap when not in use If the LDFP filter glass is installed in the camera fringes may appear in the video see Figure 5 The fringe pattern is due to a second reflection off the sensor and LDFP superimposing back onto the original beam image This situation can be corrected by loosening the C mount 16 How to Get the Most From Your LaserCam HR System Operation setscrew and rotating the LDFP housing until the fringes are no longer present Slightly turning the camera with respect to the laser beam may also reduce this effect Figure 5 Fringes The LaserCam HR has been carefully designed to provide accurate measurements of the spatial and inten sity characteristics of laser beams Significant attention has been paid to every aspect of the instrument that impacts data accuracy The following items will help you obtain the best performance from your LaserCam HR System tray Turn off everything that is non essential to the running of the computer This action will help assure the fastest frame update rate possible Resolution Select 640 x 512 x 8 resolution to obtain the highest update rates RAM A minimum of 512 MB is required 1 GB is recommended More is typically better Select RAM for the buffer to obtain the highest update rates 17 LaserCam HR User Manual Processor speed A minimum of 3 3 GHz is recommended Faster clock speeds provide highe
18. t 208 g 235 g with cable Lens Mount C mount Threaded Mounting Post 1 20 Optional M6 post available part 1086781 I O Connector USB 2 0 Type B Gain No automatic gain control Gain is factory set for optimum linear dynamic range Operating Temperature 20 to 60 C Relative Humidity To 95 non condensing 27 LaserCam HR User Manual 28 LaserCam HR User Manual Coherent Inc 10 2005 Printed in the U S A Part No 1082657 Rev AB
19. t may not be effectively subtracted by the Background Subtraction Wizard 14 Dust Dirt Cleaning the Sensor Operation If low intensity spots or small circles are noticed in the camera video then dust may be present on the CMOS sensor or on the Low Distortion Faceplate see Figure 4 on page 15 Dust on the LDFP filter glass can cause distortion in the form of small circular diffraction rings or can cause low intensity spots if present on the sensor array Observe the defects with a flashlight or a small light illuminating the camera If the defect moves when the illumination angle is changed then the dust is on the LDFP Otherwise it is dust on the sensor array Use clean air at low pressure or methanol and lens tissue to clean the LDFP filter glass Take all necessary precau tions to insure that nothing comes in contact with the sensor surface Figure 4 Dust on Filter Glass Avoid unnecessary exposure of the sensor to dust and dirt If the surface of the sensor has to be cleaned never use any kind of cloth tissue or brush and strictly avoid the use of any kind of cleaning fluid Only use clean dry micro filtered low pressure air to gently blow away particles from the surface of the sensor Contact 15 LaserCam HR User Manual Fringes Coherent Customer Service if the sensor requires addi tional cleaning refer to Coherent Service Centers on page 23 for contact information Touching the sensor will cause i
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