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OWNERS MANUAL  |  C-FLEX  |  D0579-B  DECEMBER  2019 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C-FLEX 

Compact  |  Flexible  |  Laser Combiner 

Summary of Contents for C-FLEX

Page 1: ...OWNERS MANUAL C FLEX D0579 B DECEMBER 2019 C FLEX Compact Flexible Laser Combiner...

Page 2: ...2 82 OWNERS MANUAL C FLEX D0579 B DECEMBER 2019...

Page 3: ...igning the Fiber Coupler 32 3 8 Aligning the Combiner Optical Path 34 3 9 Preparing for Operation 41 3 10 Closedown operation 41 4 Cobolt Monitor Software 42 4 1 Installation 42 4 2 Software instructi...

Page 4: ...ulation Interfaces AOM Driver 67 8 7 Electrical Interfaces AOM Driver 68 8 8 Electrical Interfaces C FLEX 68 8 9 Electrical Interfaces Laser Controller 68 8 10 Compatible Laser Products 69 9 Mechanica...

Page 5: ...ombiner functionalities and with practical inclusions for the operation of the Cobolt lasers and Cobolt MonitorTM control software and Acousto optic modulators AOMs For more details on the functionali...

Page 6: ...IEC laser combiner is capable of emitting more than 500 mW of laser radiation within visible 400 700 nm and Near Infrared NIR spectrum 700 1400 nm Symbols in the manual WARNING LASER RADIATION This sy...

Page 7: ...e hazards are related to direct exposure specular reflections and in the case of Class 4 lasers can even be related to diffuse reflections Eye and skin exposure to direct or reflected laser light is h...

Page 8: ...the Cobolt website www coboltlasers com System Safety Features The laser combiner is equipped with all safety features required by the laser safety standard IEC 60825 1 Safety Interlock The safety in...

Page 9: ...ons as the beam stop capable of preventing human access to laser radiation The aperture location and the open and close positions of the shutter are indicated on the top surface of the laser combiner...

Page 10: ...ding anti reflection coating is used to prevent back reflections into the laser head s Electrostatic discharge Always install the laser system to a properly grounded power outlet Integrated lasers con...

Page 11: ...r and the access panels These labels must be visible unless the laser beam is totally enclosed A label showing information about the system model serial number manufacturer date and location and the p...

Page 12: ...12 82 OWNERS MANUAL C FLEX D0579 B DECEMBER 2019 Label Placement...

Page 13: ...nstall it To know which Cobolt lasers are built into the C FLEX laser combiner refer to the test protocol delivered with the C FLEX Determine if the C FLEX should have been delivered with auxillary eq...

Page 14: ...red to remove the access panel whilst aligning the optics inside the system It will be necessary to open the lid for both installation and alignment C FLEX access panel space requirement If using the...

Page 15: ...at the appropriate tools are available C FLEX Laser Combiner System parts C FLEX Laser combiner with integrated lasers and fiber coupler in case of the fiber coupled option are delivered assembled The...

Page 16: ...If the C FLEX contains a Cobolt 04 01 series laser or an AOM it will be delivered with auxillary equipment Cobolt 04 01 Laser Controller and Cables Cobolt 04 01 Laser Controller s one per Cobolt 04 0...

Page 17: ...D0579 B DECEMBER 2019 Laser power supply cable Kycon 4 pin connector to C FLEX back panel AOM Driver and Cables AOM Driver AOM Driver Cable Sub D 15 to 2x 5mm DC Socket AOM RF Input Cables AOM Power S...

Page 18: ...tools Not included Fast power meter or photodiode Detector card Beam profile camera Control Software Cobolt Monitor laser control software Cobolt Monitor can be downloaded from the Cobolt website www...

Page 19: ...ission At this point is not necessary to power the C FLEX for added safety it is recommended not to connect any cables to the C FLEX while mounting 1 If mounting the C FLEX onto the heat sink mount th...

Page 20: ...ve impact on performance 3 Use the provided fixation bolts and springs to fix the C FLEX to the mounting surface either directly on the optical bench or on the heat sink The fixation bolts are designe...

Page 21: ...wer to the system 1 For each Cobolt 04 01 laser integrated in the C FLEX there is a specific controller and cable they are labeled with the laser s serial number Separate the controllers and cables by...

Page 22: ...on the controller and then connect the female end to the Controller connector on the C FLEX 6 Connect 12 V DC Laser Controller Power Supply cable s Kycon connector to the power socket on laser control...

Page 23: ...next section NOTICE A 5V DC supply voltage must be connected to the digital modulation input and 1 V DC supply voltage must be connected to the analog modulation of the AOM driver or there will be no...

Page 24: ...abeled Mod on the C FLEX 5 Connect a 1 V DC signal not delivered to the SMA connector labeled MOD IN on the AOM Driver 6 Connect the 5 V DC signal to the DC Socket labeled 5V on the AOM Driver Cable C...

Page 25: ...nd start emission of the lasers 1 Verify that the shutter is closed DANGER Laser Radiation is accessible when the safety interlock is defeated Avoid skin and eye exposure to direct or scattered radiat...

Page 26: ...FF and then ON again Once the key is turned to the ON position the lasers will automatically start up Wait at least 3 minutes for the lasers to stabilize See section 5 for detailed discussion of the e...

Page 27: ...r displayed in the software and note the position in the C FLEX The position of each laser is noted on the delivered test protocol Laser position numbers typically the lasers are located from red to b...

Page 28: ...cribed in this section DANGER Never look directly at the laser beam Avoid exposure to scattered and reflected light Always wear the appropriate eye protection for the specific wavelengths nm and power...

Page 29: ...t Operation at different power or current settings could result in changes in the beam overlap Beam position overlap m m m 2 m m 2 8 Place a beam profile camer at 1 meter distance from the C FLEX aper...

Page 30: ...in meters to get a beam angle overlap result in radians Beam angle overlap rad m m 2 m m 2 Distance to camera m 11 While comparing the reference laser will give a good indication of the beam overlap...

Page 31: ...exit Be sure the fiber and power meter are secured in place with the fiber end close enough to the power meter to measure accurately Be sure to set the measurement wavelength when changing from laser...

Page 32: ...Keep the C FLEX shutter closed when placing or removing components or equipment from the beam path 1 Remove the fiber from the fiber coupler lens tube to allow the beam to exit the C FLEX unobstructed...

Page 33: ...ower of the laser in position 1 through the fiber Compare to the test protocol delivered with the C FLEX If the coupling efficiency is not sufficient use the kinematic adjusment screws to fine align t...

Page 34: ...remove the fiber coupler from the C FLEX aperture 4 Use the safety interlock override tool to close the interlock circuit with magnetic switches The override tool has been designed in such a way that...

Page 35: ...ed to be used for positioning the pinhole in the center of the aperture The pin hole alignment tool can be used in place of the aperture mounted pin hole It is not necessary to fix the pin hole with s...

Page 36: ...lignment set screw of the steering mirror to adjust the position of the beam on the pin hole vertically and maximize the power through the pin hole 14 Remove the aperture pin hole and power meter from...

Page 37: ...to be complete each laser position must be compared to all of the others To download the beam Alignment Verification Calculation Tool go to www coboltlasers com downloads NOTICE Be sure to secure the...

Page 38: ...tal angular adjustment screw that resulted in increased power through the aperture pin hole Use the angular adjustment screws both horizontal and vertical if necessary to reoptimize power through the...

Page 39: ...uired to maximize the power through the pin hole 24 Loosen the locking screw on the beam height adjustment block Use the beam height adjustment cylinder to translate the beam vertically A small 2 0 mm...

Page 40: ...meter further precision in beam position at the exit may be required place the camera at the exit and measure the centroid position of each beam 31 Repeat the steps 19 through 28 for each laser until...

Page 41: ...cate an error 2 Replace the access panel of the C FLEX and fasten with the 4 access panel screws removed at the beginning of the alignment procedure 3 Toggle the key switch OFF and ON to clear the int...

Page 42: ...es needed to run the program in a zip file Save the zip file to any storage device and extract all files The folder created after extracting the files can be placed on any storage device and Cobolt Mo...

Page 43: ...N Displays the laser serial number Laser ON Turns the laser ON If the laser is in autostart mode this is equivalent to restart Laser OFF Turns the laser OFF Mode Gives a choice of operational modes po...

Page 44: ...by Cobolt Monitor to reach the power level set in the this field When in modulation mode it is recommended to use an external power meter See section 5 and 6 for more details on continuous wave and m...

Page 45: ...Example if the remote interlock loop is open the user must make sure the loop is closed again before issuing a Clear Fault followed by Laser On LED Status Displays the LEDs that are currently illumin...

Page 46: ...cancels the autostart sequence and places the entire device in an OFF state The key switch is required to restart the device when in CDRH mode The restart button corresponds to the command restart the...

Page 47: ...er setting is used to regulate the output power level All lasers are delivered in the most appropriate operating mode for optimized stability To restore original power level settings refer to the test...

Page 48: ...the command is p 0 025 The maximum allowed power is set at the factory Constant current controls The laser output power can also be controlled with the current setting in constant current mode Cobolt...

Page 49: ...Laser ON warning indicators will be illuminated as the lasers are considered armed for operation Treat the system accordingly and observe all safety precautions There is a command to temporarily stop...

Page 50: ...esting and alignment it can be usefull to pause the emission Send the command l0r to temporarily stop emission on all lasers not being tested The LASER ON emission indicator will remain illuminated 3...

Page 51: ...nd or digital modulation and in the case of 06 MLDs additionally with ON OFF modulation Modulation is not available for Cobolt 04 01 or 08 01 Series lasers without an integrated AOM Connecting the mod...

Page 52: ...ncy DC 150 MHz o Impedance 50 Sample of 06 MLD digital modulation at 50 MHz Analog modulation input signal o Input signal 0 1 0 0 3 V arbitrary waveform o Modulation Frequency DC 2 MHz o Impedance 1 k...

Page 53: ...square wave 0 0 1 5 V OFF 3 5 5 0 V ON o Modulation Frequency DC 5 kHz 10 kHz or 50 kHz depending on wavelength o Impedance 10 k Sample of 06 DPL digital modulation at 10 kHz Analog modulation input...

Page 54: ...ation frequency The modulation mode settings can be adjusted to optimize the laser s modulation performance in application Low Current The low current defines the drive current the laser diode is set...

Page 55: ...from the AOM driver to the C FLEX there is no laser beam emitted through the combiner Digital modulation input signal o Input signal 0 5 V TTL signal square wave 0 0 0 8 V OFF 3 0 5 0 V ON o Modulati...

Page 56: ...nt pin hole Steering mirror mount pin hole Key s USB B to USB A data cable Tool kit OEM Configuration The laser combiner may be customized for integration in a larger system and supplied without the k...

Page 57: ...FLEX and the individual lasers that have been integrated at the factory Laser model numbers All Cobolt lasers have a model number designation which describes that type of laser they are and which user...

Page 58: ...e operating system of the computer being used for controlling the C FLEX Unzip the files into a known location and install the drivers using the windows routine If the driver installation was canceled...

Page 59: ...choose Hardware and Sound 2 Under the Devices and Printers section choose Device Manager 3 Under Other devices find the device called Cobolt Laser Driver Right click it and chose Update Driver Softwar...

Page 60: ...60 82 OWNERS MANUAL C FLEX D0579 B DECEMBER 2019 5 Click browse and find the folder on your computer where the USB driver is stored...

Page 61: ...OWNERS MANUAL C FLEX D0579 B DECEMBER 2019 6 Windows security may warn you that the publisher of the driver is unverified Choose Install this driver software anyway 7 The installation should now be co...

Page 62: ...erfaces Cobolt 06 01 Series Cobolt 06 01 Series lasers integrated into the combiner have an interface for status LEDs as well as modulation inputs There are two SMA connectors on each interface panel...

Page 63: ...less of key switch state the temperature control elements will be active to reach set point values The status of the laser operation is given via LED indicators ON Green The system is emitting or arme...

Page 64: ...C FLEX leave space for removing the access panel during service or alignment Thermal Management To ensure operation within given specifications and for the warranty to be valid the laser combiner must...

Page 65: ...ed into a standard power outlet The power supply accepts 100 260 VAC and 47 63 Hz Ripple and noise 1 peak peak max 20 MHz bandwidth Accepted voltage for C FLEX is 15 VDC 7 A Specification values are g...

Page 66: ...lt 04 01 lasers in combiner 3 Maximum number of AOMs lasers in combiner 3 Minimum wavelength separation 15 nm Fiber coupling options Wavelength range 405 660 nm Fiber Type SM PM FIber Output Options C...

Page 67: ...5 V 5 5 V For more details on the specification of the AOM driver see the website of AA Opto Electronics www aaoptoelectronic com 06 MLD 06 DPL all 532 nm 561 nm 553 nm Digital modulation Bandwidth DC...

Page 68: ...SMA female where available per laser line ON OFF modulation C FLEX SMA female where available per laser line AOM Driver C FLEX SMA female where available per laser line Cobolt Laser Controller C FLEX...

Page 69: ...mW https www coboltlasers com lasers dpss lasers Cobolt 06 01 Series Plug play modulatable lasers 405 nm 660 nm up to 300 mW https www coboltlasers com lasers diode lasers Cobolt 08 01 Series Compact...

Page 70: ...70 82 OWNERS MANUAL C FLEX D0579 B DECEMBER 2019 Mechanical Drawings In this section we will describe the the outer dimensions of the C FLEX and auxillary equipment Laser combiner...

Page 71: ...71 82 OWNERS MANUAL C FLEX D0579 B DECEMBER 2019 Heat sink Laser Controller...

Page 72: ...72 82 OWNERS MANUAL C FLEX D0579 B DECEMBER 2019 AOM Driver AOM Driver Heat Sink...

Page 73: ...pin hole technique Alignment of the C FLEX can be done by using two pin holes or targets to adjust the beam position and the beam angle The pin hole closest to the light source is used for beam posit...

Page 74: ...ht adjustment wheel until the beam is aligned in the middle of the steering mirror The beam height adjustment translates the beam up and down parallel to the base plate Horizontal alignment The steeri...

Page 75: ...e the dark blue and green screws are used for angular alignment turning all three will translate the steering mirror and change the incident location on the mirror It may be necessary to iterate betwe...

Page 76: ...in hole in one end Use this tube to align the system by placing the pin hole tube in the coupler maximizing the output power through the pinhole using the corresponding set of adjustment screws on the...

Page 77: ...the lasers inside the C FLEX should only be performed by trained personnel with appropriate laser safety equipment 1 Begin with laser farthest from the aperture the position number may vary depending...

Page 78: ...may be required 6 Place the mirror mount pin hole in the open position 7 Use the steering mirror to center the beam on the pin hole horizontally Maximize the power through the pin hole Use the three...

Page 79: ...ole Do not adjust the beam height 14 Remove the aperture mounted pin hole 15 Place beam camera with position measurement capabilites one meter from the aperture If no camera is available it is possibl...

Page 80: ...for consultancy and to request an RMA number see back cover for contact information If an RMA number is issued and the laser needs to be shipped back to H bner Photonics or your local representative...

Page 81: ...compliance and compatibility whenever making changes to the system The following harmonized and limits standards have been applied Electrical Safety EN 61010 1 IEC 61010 1 UL 61010 1 Limited Energy S...

Page 82: ...o ltd www bmlaser co kr SM Tech www lasersystem co kr _________________________________ Singapore Malaysia and Thailand Wavelength Opto Electronic www wavelength tech com _____________________________...

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