Owners Manual
Contents
1. Control input connector AOM D Sub 7W2 Power supply to AOM driver Driver analogue modulation digital modulation RF output connector AOM Driver SMA female Modulation signal to laser head RF modulation input Laser Head SMA female Modulation signal from AOM driver Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated AOM 4 1 5 Electrical characteristics AOM driver Supply voltage 24VDC Output impedance RF output connector 50 O nom Analogue modulation Impedance 500 Voltage range 0 1V RF ON OFF ratio 65 dB Absolute maximum ratings 0 5V 4 1 1V Digital modulation Impedance 4 7 pull up High level gt 3V 5V RF on Low level 0 lt 2V RF off RF ON OFF ratio 100 dB Absolute maximum ratings 0 5V 5 5V For more details on the specification of the AOM driver see the website of Gooch amp Housego www goochandhousego com 4 1 6 Mechanical Interfaces Dimensions Laser Head Controller 12V PSU AOM Driver 24N Power Supply 137x60x45 mm 4 1x2 4x1 6 inches 190x72x28 mm 7 6x2 9x1 1 inches 130x55x30 mm 5 2x2 2x1 2 inches 120x70x36 mm 4 7x2 75x1 4 inches 121x50x30 8 mm 4 76x1 97x1 21 inches Fixation holes Laser Head 3x 4 5mm holes fitting M4 M3 see section Fel Hittar inte referensk lla Fixation holes Controller 4x 6 4x8mm hole fitting M6 see secti2. LEDs Status Explanation Action off flashing POW x Mains power off Check connections POW x Temperatures not stabilized Check if heatsink is sufficient LOCK x Laser cannot lock in constant power Check for back reflections Contact the factory current limit has been reached ERROR on Error in laser parameters If lights at start up check cable connections if lights gt 5s after start up contact the factory 9 Warranty and maintenance Cobolt provides a warranty on Modulated DPSS Lasers of 12 months on faulty workmanship and 24 months on the laser itself The laser systems are designed for modular replacement or repair in the event that the Laser Head or Controller malfunctions Warranty is invalid if the laser system is operated outside of the specific limits and conditions as outlined in this document The Cobolt lasers are contained in sealed enclosures and should not be opened for any reason Disassembly of any part of the system including the cable means the system will void the warranty All laser parameters are set at the factory and there are no adjustments required Maintenance is limited to wiping dirt off the enclosures and cleaning the aperture Clean the aperture with a standard photographers lens airbrush 27 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 10 Service Due to accuracy tolerances calibration differences and allowed power drift there may be disc
3. CAUTION use of controls or adjustments or performance of procedures other than those specified herein may result hazardous radiation exposure 7 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 2 2 Safety Features Interlock The laser is equipped with a remote interlock that prevents current flowing through the diode when it is open See section 4 4 for a detailed description of the interlock Mechanical shutter The Laser Head is equipped with a mechanical shutter that blocks all laser emission The open and closed positions of the shutter are indicated on the Laser Head Key switch The CDRH model comes with a key switch on the controller that be turned for the laser to operate When the key is off the diode is prevented from emitting The key must be actively turned to the ON position each time the laser is powered on Information LEDs The Controller incorporates information LEDs which display whether power is connected the laser is on or a fault has occurred The ON LED is illuminated whenever the device is emitting or could emit light 8 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 2 3 Warning labels and Identification The upper face of the Laser Head contains a yellow label with laser safety warning and classification information the wavelength and maximum average power of the unit The laser safety label also sh
4. Mr gt a Warning shortening 2 and 4 when the controller is powered up will erase the controller memory 4 3 2 Power connector Kycon KPJX 4S mates with Kycon KPPX 4P Grounded shield Pin Function 1 OV 2 11 28 VDC 3 4 11 28 VDC Front view of controller 4 3 3 Data connector Connector USB type manufacturer Hsuan Mao 8320 05 5 0 mates with connector mini B Pin Function SHIELD Chassis 1 5 V in series with internal 10 Ohm resistor 2 RS 232 TX 3 RS 232 RX 4 Not connected 5 OV GND 4 3 4 AOM Control input connector drawing Connetor Mixed D Sub 7W2 manufacturer Harting 09 69 200 9050 Pin Function GND case GND case connected to pin 1 internally 24 VDC Not connected 24 VDC connected to 3 internally Al Analogue modulation coaxial A2 Digital modulation coaxial 18 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 4 4 Interlock The interlock is located at pin 1 and 2 of the molex connector on the back side of the laser head The connector can be short circuited with an interlock jumper included at delivery for operation of the laser To use the interlock with an external switch connect a pin 1 2 Molex plug After the interlock has been opened the laser will need to be reset by disconnecting from and then reconnecting to the power supply in order to start
5. generator fulfilling the signal levels specified in the table below Note that for combined analogue and digital modulation two separate sources are required For recommendation on a suitable function generator please contact Cobolt s technical support Qu SIN 9o el Mount the AOM driver on a suitable heat sink Make sure that the heat sink can provide adequate heat dissipation see specification in table below Attach the RF cable to the laser head Attach the other end of the RF cable to the AOM driver Attach the D Sub end of the control input cable to the AOM driver Attach the end of the input cable marked digital to the source of the digital modulation Attach the end of the input cable marked analogue to the source for the analogue modulation Connect the DC plug of the power supply to the socket of the control input cable Connect the power supply Allow at least 10 minutes warm up time for the AOM driver for optimum stability 20 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 5 2 2 Modulation Options The modulation can be digital analogue or a combination of the two If no signal is applied on either the digital or the analogue input the AOM is in its off state The DPSS laser inside the device is however on and it is normal that some stray light in the uW range can be seen by the human eye when the AOM is in its off state Analogue modulation In p
6. ON orange light Laser light is on in constant current mode LOCK orange light Laser light is on and the output power has been locked to set point The laser is operating according to specifications ERR red light An error has occurred No laser light When power is supplied to the Controller regardless of on off state the temperature control elements are operating to reach set point values The Controller includes a remote interlock connector pin 1 2 according to Section 4 4 To make use of the remote interlock as a safety switch remove the jumper and connect to an external switch 3 3 1 Controller Configuration Cobolt Modulated DPSS lasers are available with one standard controller configurations The operation of the laser can be controlled and monitored via the data port that supports RS 232 commands and analog signals See Section 6 3 for further details RS 232 controllers may also be delivered with RS 232 USB adaptor The Controller is factory set so that no key is needed to turn the laser on Connecting 11 24 VDC power supply to the Controller initiates an automatic start up sequence The laser will be running according to specifications in 2 min 3 4 Cables The Cable connects the Laser Head to the Controller The standard Cable length is 1 m and minimum bending radius 2 cm When connected care should be taken not to bend or break any of the 26 pins The RF cable connects the AOM to the AOM driver The AOM control
7. 2 lt 3 lt 2 lt 3 Spatial mode TEMoo M2 lt 1 1 Spectral linewidth 1 MHz Wavelength stability after warm up 2 pm over 2 C and 8 hrs Beam symmetry at aperture gt 0 95 1 Beam pointing stability after warm up 20 over 10 40 Coherence length gt 100 Beam waist location from exit window 4 20 cm Beam angle accuracy 3 lt 5 mrad Beam position accuracy 3 lt 0 25 mm Polarization ratio linear vertical gt 100 1 Residual IR emission 0 1 mW 1 The wavelength is fixed with this accuracy while drift is defined as Wavelength stability The wavelength is specified in air 2 The output power can be adjusted from 10 110 of nominal power using control commands see Section 6 3 Specifications are guaranteed at 100 of nominal power Recommended power range is 70 100 Power accuracy 5 3 Relative to beam position reference pins see Laser Head drawing under Section 4 2 4 The exit window is located optically 20cm before the laser head shutter 5 Predominantly due stray light fiber coupling will further improve the extinction ratio 13 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 4 1 2 Operational and environmental requirements Power supply Laser 12 VDC 3 75 A alt 4 2 A 11 28 VDC accepted Power supply of AOM driver 24VDC 1 25A Power consumpt
8. can be combined where the digital modulation can be seen as a control signal that can switch the analogue modulation on and off The principle is schematically illustrated in the figure below Analogue modulation Digital modulation Analogue Digital modulation Analogue input voltage cer aN TS Digital input voltage Optical output power af Se Schematic illustration of the three different modulation modes 21 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 5 3 Closedown operation 1 Turn the key switch to OFF first CDRH models only 2 Disconnect PSU from mains outlet 3 Disconnect Controller from PSU 22 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 6 Operation via data port 6 1 Baud rates and serial port settings To communicate with the laser a communication cable needs to be ordered separately Each Controller is shipped from the factory with a fixed baud rate 115200 The other serial port parameters are 8 data bits 1 stop bit and no parity Hardware flow control is not supported Each command to the Controller must be terminated by a carriage return All commands are case sensitive Leading and trailing white space is ignored but command arguments must be delimited by a single space character ASCII 32 6 2 Handshaking Und
9. is sensitive to electrostatic discharge ESD The device must be handled in an ESD protected workstation AOM Control input cable AOM driver AOM Laser Head Cobolt 04 05 modulated laser system with Laser Head cable controller AOM RF driver and cables 3 1 Model Number The model number is composed as follows for the Cobolt Modulated DPSS lasers XXXX 04 05 XXXX XXX N Wavelength Version Power Controller Configuration 400 Gen4 OEM Integration Only 10 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 3 2 Laser Head The Laser Head contains pump diode laser cavity beam shaping optics and thermoelectric coolers TEC routing optics and an integrated AOM The laser head contains an optical feed back loop which measures the output power The Laser Head gets electrical power and control signals from the Controller via a 26 pin HD Sub D cable The AOM does not require electrical power There is an SMA connector on the laser for input modulation signals 3 3 Controller The Controller supplies driving current and control signals to the Laser Head The operation set points are specific to each Laser Head and have been fixed during manufacturing The operation set points are stored in the controller and must be used with the exact laser head it was delivered with The status of the laser operation is given via LED indicators POW green light Power is supplied
10. solid state Lasers incorporates Cobolt 04 01 series diode pumped solid state laser devices with an Acusto Optical Modulator AOM integrated into a single compact package allowing for fast and effective integration of a modulated DPSSL without time consuming external alignment Cobolt Modulated DPSS Lasers are operating at fixed wavelengths as defined in the specifications in Section 4 The laser beam is collimated and emitted through the manual shutter of the laser head The laser head contains elements for fine temperature control of the laser cavity as well as the pump diode The laser also features an optical feed back loop which ensures long term power stability of the emitted laser beam The system can be operated in constant current or constant power mode Control signals and drive currents are supplied via an electrical interface The lasers have a compact hermetically sealed package and emit a high quality beam with stable characteristics over a wide range of operating conditions The laser is designed and manufactured to ensure a high level of reliability Cobolt lasers are intended for integration in analytical equipment used in e g flow cytometry DNA sequencing fluorescence microscopy holography interferometry and Raman spectroscopy 6 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 2 Safety 2 1 General All Cobolt Modulated DPSS Lasers are Class IIIB CDRH Class 3B IEC l
11. this manual may be copied reproduced recorded transmitted or translated without the express written permission by Cobolt Cobolt Contact Information Cobolt headquarters Cobolt AB Phone 46854591230 Vretenv gen 13 Fax 46 8 545 91 231 SE 171 54 Solna E mail info cobolt se Sweden Web www cobolt se Sales representatives Australia Warsash Scientific Pty Ltd Phone 61 2 9319 0122 Fax 61 2 9318 2192 www warsash com au China China Daheng Group Phone 86 10 8278 2668 Fax 86 10 8278 2669 www cdhcorp com Estonia Latvia Lithuania Optek Ltd Phone 37 129 781 582 Fax n a www optek lv India New Age Instruments and Materials Phone 91 124 4086513 16 Fax 91 124 2331653 www newagein com Italy Optoprim S r l Phone 39 39 834 977 Fax 39 39 284 5269 www optoprim it Poland Amecam Phone 48 22 207 22 78 Fax 48 22 207 22 77 www amecam pl South Korea SM Tech Phone 82 42 8244413 Fax 82 42 8244414 www lasersystem co kr UK amp Ireland Laser Lines Ltd Phone 44 1295 672 500 Fax 44 1295 672 550 www laserlines co uk Benelux Laser 2000 Benelux CV Phone 31 297 266 191 Fax 31 297 266 134 www laser2000 nl China DynaSense Photonics Co Ltd Phone 86 0 10 83503853 Fax 86 0 10 83503622 www dyna sense com France Optoprim Phone 33 1 4190 6180 Fax 33 1 4190 6189 www optoprim com India Dynotech Instruments Pv
12. CO Owners Manual Model 04 05 May rev 1 00 Cobolt Modulated DPSS Lasers DPSS lasers with integrated AOM Cobolt Blues Modulated 473 nm DPSSL Cobolt Calypso Modulated 491nm DPSSL Cobolt Fandango Modulated 514 4 nm DPSSL Cobolt Samba Modulated 532 nm DPSSL Cobolt Jive Modulated 561 nm DPSSL Cobolt Mambo Modulated 594 nm DPSSL Cobolt AB Phone 46 8 54591230 info amp Pcobolt se Vretenvagen 13 Fax 46 8 54591231 www cobolt se SE 171 54 Solna Sweden 2 1 2 2 2 3 3 1 3 2 3 3 3 4 3 5 3 6 4 1 4 2 4 3 4 4 4 5 5 1 5 2 5 3 6 1 6 2 6 3 7 1 7 2 5 6 6 Safety Features 7 Warning labels and Identification ccccceeceeececeeeeeeeeeeeeeeeeeeeeeeeeeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaeaea 8 Laser Systemi Description dene EE ECRIRE THREE RR ERE dene ERR 9 Model Numib amp r 1 eue ce E a Hoe cer e eR HR ORBE Ce e ERE DR DDR ER ae 9 AC 10 Controller eo redes ea eei 10 GI re pP M 10 Power supply requirements lt 10 Therma ote nin xy nee dendi eie Ron 11 SYStEMDeSCHIPtio Messe cies ERES 12 Specifications 22 22 5255 eddie ee fe Ee re FN Id erp i o ete fe dat aaa dd Idn eee 12 Mechanical Outlines 2 2 21 12 Uyn eae e Decus Peut cte De e ee ode Ces beu o dee Deer een eeu 15 Conn
13. Controller set in Auto start mode As soon as power is supplied to the Controller the temperature control elements are operating to reach set point values and the laser emission will start unless the keyswitch is enabled CDRH model 5 1 Installation start up operation 1 Mount the Laser Head on a suitable heat sink see Section 3 6 2 Ensure that the interlock jumper is connected 3 Connect the Laser Head to the Controller with the Cable and fasten screws at both ends 4 Connect the 12 VDC power supply to the mains outlet and then to the Controller 5 The laser now goes through the following auto start sequence Temperature stabilization 1 2 min Status LEDs POW flashing then POW goes on The laser starts light is emitted in a constant warm up current constant for 60 sec Status LEDs ON goes on The laser locks to pre set output power lt 2 min and operates according to specifications Status LEDs LOCK goes on 6 Switching the laser ON OFF to from stand by mode via control commands or Direct Control is described under Section 4 1 Note If the power does not match the power as stated on the test sheet see Section 10 Service for more information 5 2 Modulation 5 2 1 Set up The AOM driver has to be set up as follows Without an input signal from the AOM driver there is no laser beam emitted from the laser head A typical source for digital and analogue modulation would be any type of function
14. able autostart See sect 5 1 for description to be used on cobas OEM models only disabling autostart 0 disable 1 enable means the laser no longer goes through its warm up routine cobas Get autostart enable state 0 disabled 1 enabled 1 Get laser ON OFF state OFF 1 ON Laser ON 11 Requires autostart disabled Use this command for manual ON OEM models 23 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated Laser OFF 10 Use this command for manual OFF OEM models p Get set output power Float W Float W p Set output power e g p 0 050 for 50 mW pa Read output power Float W i Get drive current Float A slc Set drive current Float A Int 0 15 Bit 0 POWER ON Bit 1 LASER ON leds Status of 4 LEDs Bit 2 LASER LOCK Bit 3 ERROR LED on 0 LED off 0 no fault f Get operating fault bee ard 3 open interlock 4 constant power fault cf Clear fault cobasdr Enable 0158016 direct control Oo T enable See sect 8 4 for description OEM models SE cobasdr Get direct control enable state 0 disabled 1 enabled sn Get serial number 32 bit unsigned integer hrs Get system operating hours Float cobasky Get key switch state 0 disabled 1 enabled Enable disable key switch With the key itch disabled the i t CDRH cobasky ie 3999 S laser 0 disable 1 enable
15. again Alternatively it can be re started using a special sequence of RS 232 commands see Section 6 3 for further details The signal level is between OV and 5V with a pull up resistor R225 R224 and the current required to ground the interlock is 5 mA The time delay in the hardware is lt 1ms but after filtering by the firmware the reaction time is extended to lt 20ms A diagram of the interlock electronics is shown below 5V R332 1k R333 TO PROCESSOR MOLEX 1 R331 INTERLOCK 2 C331 77 100n 15 D331 332 5V6 100n R334 10k 4 5 Direct On Off Control The Direct On Off Control feature enables turning the laser ON OFF using a 5 12 VDC signal After having configured the Controller for Direct Control operation factory set or by executing cobasdr 1 the laser can only start up when 5 12V VDC max 12 5 VDC is applied to pin 3 on the analog connector with O VDC on pin 2 as reference Shifting the signal to 0 VDC on pin 3 will turn the laser off and put the laser in stand by mode status LEDs is POW and not flashing This input only controls the on off state of the laser and cannot be used to modulate the power output A diagram of the direct control electronics is shown below MOLEX ON OFF 3 R336 R337 TO PROCESSOR REMOTE 19 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated AOM 5 Operation instructions As standard all lasers are delivered with the
16. aser products that emit less than 500 mW of laser radiation within the visible and near infrared spectrum Residual emissions from the pump diode are contained within the laser head housing via filtering optics The residual emission does not exceed Laser Class 1 Eye and skin exposure to direct or reflected laser light is hazardous and may be extremely harmful Always wear eye protection appropriate to the beam wavelength and intensity The device must be handled by personnel with experience in laser operation in a laboratory environment and with access to adequate laser safety equipment The Laser Head clearly displays a yellow warning label that shows the location of the laser beam aperture This label must be visible unless the laser beam is totally enclosed see section 2 3 for more information on labeling The table below described the maximum irradiance in W cm2 and appropriate level of eye protection in terms of optical density OD for each product line Nominal Output Product power mW Irradiance W cm Eye Protection Requirement Blues 473nm 40 16 gt OD 4 Calypso 491nm 80 31 gt OD 4 Fandango 514 4nm 120 47 gt OD 4 Samba 532nm 240 93 gt OD 4 Jive 561nm 120 47 gt OD 4 Mambo 594nm 80 31 gt OD 4 Irradiance W cm2 110 of Nominal Power W Beam Area at bottom tolerance cm2 Eye protection OD Log10 60825 1 Emission Limit Class 1 W Max Power W rounded up to the next integer
17. compliant and the laser safety standard no longer applies For re starting the laser with commands after having opened the remote interlock switch execute cf for clear fault followed by cob1 to restart the laser This command forces the laser into Auto start enabled so Auto start must be disabled if this is the required set up On CDRH models the key switch is the only way to re start The output power can be adjusted from 10 110 of nominal power using the command Specifications are guaranteed at 100 of nominal power Recommended power range is 70 100 24 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 7 Cobolt Monitor software The Cobolt Monitor software provides a graphical way to monitor the laser performance and to change power operation mode and other settings The software can connect to the laser either via RS 232 port or via USB depending on the type of controller The latest version of the Cobolt Monitor is available for download at http www cobolt se software html 7 1 Installation Microsoft NET is required to run the Cobolt Monitor software and this will be installed automatically if you do not already have the correct version Follow the following steps to install the software 1 Extract the archive and run the setup file 2 Accept the Microsoft NET framework EULA 3 Setup will now connect to the internet and download Microsoft NET if i
18. ector drawings amp pin 2 il i i i i i eee 17 EP 18 Direct On Off siii ae elie eMe eel st cates 18 Operation 5 19 Installation Start up operation iocus esc ccu e s etg Sedi ete ects 19 TEMERE 19 Closedown operation 2 2 iii oo ire RE Pee neus 21 Operation via data DOFt ere ie e ee Egit er erede eara dera ee ue 00 05 ee 22 Baud rates and serial port settings enhn nennen 22 Handshaking ete teta uen 22 Control commands 22 Cobolt Monitor 501 24 Installation THERE o e ree dt eee oa np tected eee pe FE Dee v e ce ete eet 24 Software rie ms 24 Troubleshooting ci coii ee pe ES cree eec ep i E ches epp ER DR Re pP DR RR ERR pri peeps 26 Warranty and Maintenance ccc ciii cos coe Lez coo coc eo Duc o eei co eus Eee De ee Cuz e e dece ern 26 ceu ARMA TN Uc LL ALMA LI A M 27 Declaration OF 60 0 20 R 27 Disclaimer sied Xa athe 27 4 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 5 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 1 Introduction Cobolt Modulated DPSS diode pumped
19. er no circumstances does the Controller initiate communication it only transmits characters in response to a message Every message to the Controller generates a response either a numerical value or the acknowledgment string OK In the event that the Controller receives a message that it cannot interpret it responds Syntax error followed by the complete command string minus the termination character that caused the error Every Controller response is terminated by a carriage return ASCII 13 and a full stop is used with floating numbers 6 3 Control commands The laser is delivered with the Controller set in Auto start mode see section 5 1 for Auto start sequence description For system integration the Auto start seguence can be disabled and the following commands can be used to control the laser NOTE some commands reguire Auto start to be disabled but others will work when Auto start is active The controller is factory set for RS 232 communication As long as power is supplied to the Controller the temperature control elements are always operating to reach set point values and the laser will be idle waiting for the next command All arguments in lower case and separated by a space ASCII 32 Command Function Argument Returned value ilk Get interlock state 0 OK 1 interlock open Laser ON after interlock Forces the laser cob1 into Autostart without checking if autostart is enabled OEM models Enable dis
20. gration please contact Cobolt s technical support Heat Sink Requirement 04 01 Laser Head Heat Disipation 52 8 IL o 5 5 5 E 7 E 2 gt 0 0 y 0 y oJ T T T 5 1 31 0 10 20 30 40 50 20 25 30 35 40 45 50 Ambient Temperatures T Pe Baseplate Temperature C Heat Sink Requirements and typical maximum heat dissipation for Cobolt 04 01 series The AOM driver must also be mounted on an appropriate heat sink 12 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 4 System Description 4 1 Specifications 4 1 1 Optical Centre wavelength nm Output power mW 2 Blues 473 0 0 3 25 40 Calypso 491 5 0 3 25 50 80 Fandango 514 4 0 3 25 50 100 120 Samba 532 1 0 3 25 50 100 150 240 Jive 561 2 0 3 25 50 100 120 Mambo 593 6 0 3 25 50 80 Product Wavelength 473 491 514 532 561 594 Rise Fall time lt 300ns RF 3dB Bandwidth analogue and digital DC 3MHz Extinction Ratio free space 5 gt 30 dB DC Beam diameter at Aperture 1 2 700 50 Beam divergence full angle 1 e lt 1 2 mrad lt 1 3 mrad Noise 20 Hz 20 MHz pk pk lt 2 lt 3 lt 2 lt 3 Noise 20 Hz 20 MHz rms lt 0 25 lt 0 3 lt 0 25 lt 0 3 Long term power stability 8 hours lt
21. input cable is used to provide the AOM driver with the desired modulation 3 5 Power supply requirements An appropriate Power Supply Unit PSU is supplied by Cobolt with the laser and must be plugged into a properly 11 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated grounded standard power outlet The output from this PSU is 12 VDC 3 75 A The power supply accepts 90 264 VAC and 47 663 Hz Ripple and noise 1 peak peak max 20 MHz bandwidth The controller accepts a voltage range is 11 V 28 VDC The appropriate 24V power supply for the AOM driver is delivered with the driver The power supply is permanently connector to the driver 3 6 Thermal Management 3 6 1 Laser Head To ensure operation within given specifications and for the warranty to be valid the Laser Head must be attached to a heat sink providing a thermal resistance of lt 0 5 K W This value is the difference between the maximum allowed Laser Head base plate temperature 50 C and the maximum specified ambient temperature at the air heatsink interface 40 C divided by the maximum power dissipated from the laser 20 W for the highest power models at high ambient temperatures The mounting surface should be flat within 0 05 mm over mounting surface It is recommended to use a thermal heat compound between the Laser Head and the heat sink to provide good thermal contact For assistance in thermal management and system inte
22. ion total system Laser Head Controller lt 50W Maximum heat dissipation of Laser Head lt 25 Maximum Laser Head baseplate temperature 50 C Warm up time from OFF lt 3 min Ambient temperature operation 10 40 Ambient temperature storage 0 60 C Humidity 0 90 RH non condensing Ambient Air pressure 950 1050 mbar Shock tolerance operational 60 8 ms impact Heat sink thermal resistance Laser Head lt 0 5 K w 4 1 3 Operational and environmental reguirements AOM driver Power consumption of AOM driver lt 30W AOM driver base plate temperature operation 10 60 AOM driver storage temperature 20 C 70 C non condensing Heat sink The heat sink must be capable of dissipating 30W Warm up time 10min For optimum output power stability a constant base plate temperature should be provided 4 1 4 Electrical interfaces Interfaces Connector Function Input power Kycon KPJX 45 4 Power supply to Controller Laser Head to Controller HD sub 26 pin male Connection to Standard Laser Head Controller to Laser Head HD sub 26 pin female Connection to Controller Data port USB type mini B Control and monitoring via control commands Remote interlock amp Molex 90130 3206 Analog signals Analog input 5 12 V gt laser on Analog input lt 2 7 V gt laser off Warm up time 2 min
23. on Fel Hittar inte referenskalla Fixation holes AOM Driver 4x 3 3 mm holes fitting M3 see section Fel Hittar inte referenskalla Cable Laser Head Controller 1 m length gt 2 cm bending radius The information presented here is believed to be accurate and is subject to change without notice The specifications contained herein cannot be guaranteed outside of normal operational conditions 15 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated AOM 4 2 Mechanical Outlines i Modulated DPSSL head outline dimensions Control Input 6226 Power adj AOM driver mechanical outline dimensions in mm 16 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated AOM 4x 6 4x8mm 4x 0 25x0 31in Analog amp interlock connector connector Controller mechanical outline Dimensions in mm inches 17 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated AOM 4 3 Connector drawings amp pin assignment 4 3 1 Analog connector amp interlock connector Manufacturer Molex 90130 3206 mates with 90142 0006 Pin Function Interlock connect to pin 2 for enable GND Analog on off Direct control 51 TST Internal Cobolt use only LED Laser on 5V EI 51 LED Error 5V
24. on displays the set laser power The user can switch between constant power mode and constant current mode Likewise there are boxes to set the constant power level and constant current level The output power as monitored measured on an internal photodiode and the current through the laser pump diode are both displayed The Autostart section displays whether the laser is in CDRH or OEM mode and displays the current laser operational status 5V direct input is set here see section 4 1 There are also buttons to abort the autostart sequence or restart the laser after a fault Under General there is a Clear Fault button This can be used to restart the laser after the interlock has been removed and re inserted The LEDs section displays the LEDs that are currently illuminated on the Control Box see section 3 3 These are displayed even if the laser is in OEM mode 26 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 8 Troubleshooting In the unlikely case of a problem occurring use the table below to help identify the error Some faults can be fixed remotely Back reflections into the cavity can cause instability of operation Isolators are available as an option In case of a sudden voltage drop the laser will turn itself off and restart If it is in CDRH configuration it will require that the key is turned on again Call Cobolt support or your representative to identify corrective action
25. ows the location of the laser beam from the aperture and indicates the open and closed positions of the manual shutter This label must be visible unless the laser beam is totally enclosed The Laser Head and Controller are provided with a manufacturer s identification label including a serial number which is unique for each laser system Placement of labels Cobolt Samba 532 nm 0532 04 05 0120 400 S N 1234 CLASSIFIED PER IE Made in Sweden 05 2014 OEM LASER Input VDC 12 V Ipax 3 75 A DEVICE Max pow Cobolt AB Vretenvagen 13 Wavelenatl SE 171 54 Solna Sweden Manufacturers Certification label Hazard Symbol and Aperture Label 4 9 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated 3 Laser System Description The Cobolt Modulate DPSS laser systems consist of six main parts the Laser Head with integrated AOM the Controller the Cable a 12V 3 75A power supply for the laser controller an AOM driver a 24V 1 25Apower supply for the AOM driver an RF cable and AOM control input cable The input source is not included The Cable should always be used to connect the Laser Head with the Controller before supplying power to the system Each Laser Head is unique to its Controller and will not operate to specification with mismatched Laser Heads and Controllers Always install the laser system to a properly grounded power outlet Cobolt lasers contain a laser diode which
26. repancies between the Cobolt measurement of the optical output power and the customer measurement equipment If the output power deviates from the reported value please contact your local Cobolt representative for an online re calibration If the laser does not function do not attempt to open any of the units or the warranty will be voided Call or e mail your local Cobolt representative for consultancy and to reguest an RMA number see back cover for contact information If an RMA number is issued and the laser needs to be shipped back to Cobolt or your local representative please pack the complete system for shipment using the original package or eguivalent Ensure the unit is free from thermal paste before packing The warranty covers repair or replacing the unit at the option of Cobolt 11 Declaration of conformity All Cobolt Modulated DPSS Lasers are RoHS compliant as defined by the EU Directive 2011 65 EU 12 Disclaimers Cobolt will assume no responsibility for damage incurred by faulty customer eguipment such as measurement equipment cables etc used in conjunction with Cobolt lasers Cobolt makes no warranty of any kind with regard to the information contained in this guide included but not limited to implied warranties of merchantability and suitability for a particular purpose Cobolt shall not be liable for errors contained herein nor for incidental or conseguential damages from the furnishing of this information No part in
27. t Ltd Phone 91 124 4086513 16 Fax 91 124 2331653 www dynotech in Japan Kantum Electronics Co Ltd Phone 81 3 37581113 Fax 81 3 37588066 www kantum co jp Russia amp Belarus Azimuth Photonics Phone 7 495 792 39 88 Fax 7 495 958 23 09 www azimp ru Spain amp Portugal Laser Technology SI Phone 34 93 750 0121 Fax 434 93 750 0323 www laser technology com USA Cobolt Inc Phone 1 408 708 4351 Fax 1 408 490 2774 www coboltinc com Brazil Photonics Instrumentos Phone 55 11 2910 6852 Fax 55 11 2910 6852 www photonics com br China New Opto Technology Corporation Telephone 86 571 8515 2711 Fax 86 571 8515 2727 www newopto com Germany Austria Switzerland Von Gegerfelt Photonics Phone 49 6251 860 99 20 Fax 49 6251 860 99 17 www vgphotonics eu Israel Lahat Technologies Ltd Phone 972 4 999 0151 Fax 9729 76 46 204 www lahat co il Japan Pneum Co Ltd Japan Phone 81 48 985 2720 Fax 81 48 985 27 21 www pneum co jp Singapore Malaysia Thailand Photonitech Asia Pte Ltd Phone 65 6749 9031 Fax 65 6233 9171 www photonitech com Taiwan Tayhwa Technology Co Ltd Phone 886 2 23569737 Fax 886 2 23569659 www tayhwa com tw
28. t is required 4 After a few security screens setup will install Cobolt Monitor A shortcut to software will be placed on the desktop and the program will run 7 2 Software instructions With the laser connected and powered select Options from the Tools menu The Port name drop down box shows a list of available COM ports Select the port which the laser is connected to and click OK If the laser is connected via USB it usually has the highest COM port number See section 6 1 for correct port settings For monitoring multiple lasers use multiple Cobolt Monitor windows with the correct port assignment Com Port Settings Serial Port Port Name COM3 Baud Rate 115200 To connect to the laser choose Connect from the File menu The window should now show the correct laser status along with various readings such as the laser power and current The five different sections of the user interface are described below 25 Cobolt Blues Calypso Fandango Samba Jive Mambo with Integrated AOM File Tools Power Cal Laser diode voltage 000 V Set warm up current Photo diode voltage Set warm up time Fault Aone The TEC Settings section displays the internal temperature control of the Laser Head and the fault status for the laser s internal thermoelectric coolers TEC Depending on model the laser has two to four TEC active The Laser Diode Settings secti
29. ure analogue modulation the digital modulation should be in on state i e a voltage of 3 5V should be applied on the digital input It is also possible to leave the digital input open The output power of the laser head has an optimum for a specific voltage of the analogue input This voltage is device specific and is stated on the test protocol but can be easily found by measuring the output power as function of applied DC voltage on the analogue input Make sure not to exceed the absolute minimum and maximum voltages for the analogue input as stated below The output power as function of the applied analogue voltage is slightly nonlinear as can be seen in the plot below 1 2 4 0 8 0 6 4 0 4 4 Normalized optical output power 0 2 4 0 T T 100 200 300 400 500 600 700 800 900 1000 1100 Voltage on analogue input mV Plot of typical optical output power as function of the applied analogue voltage There is a device specific maximum Digital modulation In pure digital modulation the analogue voltage determines the on state optical output power in accordance with the plot above E g if the amplitude of the digital modulation should be maximized the analogue voltage corresponding to the maximum output power should be applied In this way the on state optical power in digital modulation can be controlled Analogue digital modulation The analogue and digital modulation described above
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