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OWNERS MANUAL | Cobolt 06-01 Series | D0136-K DECEMBER 2018
201

36 | 52

Settings Optimization in modulation mode

Cobolt Monitor™ software allow the user to optimize the laser perf

ormance while in modulation mode. During

manufacturing the 06-DPLs settings are in digital modulation at 1 kHz and a 50% duty cycle. When modulating

with a different input signal the user can expect changes in the pulse shape, peak power and average power.

TEC_LD

mod

, High current and Low current can be adjusted to re-optimize performance, though 100 % of the

performance may not be recoverable.

An example of the effect of modulation frequency on pulse shape

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Содержание 06-01 Series

Страница 1: ...OWNERS MANUAL Cobolt 06 01 Series D0136 K DECEMBER 2018 Plug and play modulatable CW lasers 405 nm 515 nm 633 nm 445 nm 532 nm 638 nm 473 nm 553 nm 647 nm 488 nm 561 nm 660 nm Cobolt 06 01 Series...

Страница 2: ...OWNERS MANUAL Cobolt 06 01 Series D0136 K DECEMBER 2018 201 2 52...

Страница 3: ...anagement 19 Power supply requirements 19 System Description 20 Specification 20 Mechanical Drawings 23 Remote Interlock Connector 25 Direct On Off control 26 Pin assignment 27 Continuous wave operati...

Страница 4: ...OWNERS MANUAL Cobolt 06 01 Series D0136 K DECEMBER 2018 201 4 52...

Страница 5: ...tegrate compact laser with all control electronics fully integrated in a laser head of industry standard size The Cobolt 06 01 Series lasers are intended for stand alone use in laboratory environments...

Страница 6: ...s advised to perform a risk assessment for the facility and equipment prior to using the laser In the case of integration into a larger system laser safety compliance must be evaluated in the end prod...

Страница 7: ...ection OD Log10 Max Power W 60825 1 Emission Limit Class 1 W rounded up to the next integer CAUTION Always wear the appropriate eye protection for all of the specified emitted wavelengths Verify the a...

Страница 8: ...he remote interlock circuit and operation Manual Shutter Beam Stop The laser head is equipped with a manual shutter which functions as the beam stop capable of preventing human access to laser radiati...

Страница 9: ...n Electrostatic discharge Always install the laser system to a properly grounded power outlet Cobolt lasers contain a laser diode which is sensitive to electrostatic discharge ESD Fiber care It is imp...

Страница 10: ...sink or suitable flat surface that provides adequate heat dissipation and connection to ground Use the four holes on the laser s base plate to secure it 2 Attach the 15 pin D SUB cable to the laser he...

Страница 11: ...ing the 06 MLD digital analog and on off modulation the simplest of which is the on off modulation feature which requires no data connection to the laser Here is a quick guide to getting on off modula...

Страница 12: ...le to the key control box 4 Insert the remote interlock plug into the connector on the key control box 5 Connect the supplied 5 V power supply unit to the socket on the laser head and plug it in to th...

Страница 13: ...generator to give a square wave 0 5 V 2 Connect the input from the signal generator to the SMA connector on the back of the laser head 3 Choose digital modulation mode in the Cobolt Monitor software...

Страница 14: ...y not shown Always install the laser system to a properly grounded power outlet Cobolt 06 MLD with CDRH compliant key control box Model number Cobolt 06 01 Series lasers are sold in two configurations...

Страница 15: ...Keys 5 V power supply unit Remote interlock plug for short circuiting the remote interlock connector USB communication cable 06 MLD 15 pin D SUB male male cable between the laser head and key control...

Страница 16: ...s the open and closed positions of the manual shutter This label must be visible unless the laser beam is totally enclosed A silver label showing information about the laser model manufacturer date an...

Страница 17: ...t 06 01 Series D0136 K DECEMBER 2018 201 17 52 Fiber pigtailed laser head Laser Notice No 50 Label CDRH models shipped to USA CE CDRH compliant label OEM Label Aperture Warning Labels Manufacturer Ide...

Страница 18: ...with a removable end cap for protection of the fiber end face The fiber end cap serves as the mechanical shutter of the laser system See section 5 1 2 for available wavelengths and power levels 06 91...

Страница 19: ...res a heat sink with a thermal resistance of 0 5 K W The mounting surface should be flat within 0 05 mm over mounting surface Under normal circumstances thermal heat compound is not required however i...

Страница 20: ...ction ratio 100 1 vertical Beam symmetry 0 90 1 0 95 1 0 90 1 Noise 250 Hz 2 MHz rms 0 2 0 3 0 25 0 2 Power stability over 8 hrs 1 2 1 Spectral bandwidth FWHM 1 2 nm 1 5 nm 1 MHz 1 2 nm Beam position...

Страница 21: ...e at 40 C ambient 0 8 K W 0 5 K W Maximum heat dissipation of Laser Head 12 W 20 W Warm up time from complete off 3 min Communication protocol USB and RS 232 USB Modulation MLD DPL all 532 nm 561 nm 5...

Страница 22: ...male OEM Molex pin 1 2 Data port Laser Head USB type mini B Key control Box connector Laser Head VGA D SUB 15 pin male Molex 6 pin male Digital modulation Laser Head SMA female Analog modulation Laser...

Страница 23: ...OWNERS MANUAL Cobolt 06 01 Series D0136 K DECEMBER 2018 201 23 52 Mechanical Drawings Laser Head 06 MLD mechanical outline Dimensions in mm inches 06 DPL mechanical outline Dimensions in mm inches...

Страница 24: ...L Cobolt 06 01 Series D0136 K DECEMBER 2018 201 24 52 Fiber Pigtailed Laser head mechanical outline Dimensions in mm inches Key control box 06 01 Series Key control box mechanical outline Dimensions i...

Страница 25: ...the reaction time is extended to 20ms 06 MLD The remote interlock connector is a 2 5 mm female stereo TRS audio socket The ring and sleeve see figure must be connected for the laser to operate To use...

Страница 26: ...ly start up when 5 VDC max 12 5 VDC is applied to pin 3 on the Molex connector with 0 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...

Страница 27: ...n Key box The pin configuration for the RS 232 socket on the key control box Pin Function 1 Not used 2 RS232TX 3 RS232RX 4 Not used 5 GND 6 Not used 7 Not used 8 Not used 9 Not used Pin Function 1 LED...

Страница 28: ...bolt 06 01 Series D0136 K DECEMBER 2018 201 28 52 USB connector on laser head Connector USB type manufacturer Hsuan Mao C8320 05BFDSB0 mates with connector mini B Pin Function 1 5 V 2 D 3 D 4 Not conn...

Страница 29: ...molex connector Laser head to Key box Connector Manufacturer Molex 90130 3206 mates with 90143 0006 Pin Signal 1 Remote interlock 2 0 V Ground Analog modulation Ground 3 Direct On Off 5 V Input and A...

Страница 30: ...bolt 06 01 Series D0136 K DECEMBER 2018 201 30 52 USB connector on laser head Connector USB type manufacturer Hsuan Mao C8320 05BFDSB0 mates with connector mini B Pin Function 1 5 V 2 D 3 D 4 Not conn...

Страница 31: ...se time of under 2 5 ns Use digital modulation if you are modulating at high speeds in a square wave Analog modulation is not as fast as digital 2 MHz but has the advantage that the user can drive the...

Страница 32: ...ital modulation input female SMA connector on the laser head and the duty cycle is set by the input signal The diode current is modulated in a square wave To enable digital modulation using the Cobolt...

Страница 33: ...140 0 20 40 60 80 100 120 140 Power mW Current mA Power vs Current for a typical 405 nm MLD laser The user is given the choice of two impedance values for the laser s analog modulation circuit 1 k and...

Страница 34: ...on Switching between types can be done using the Cobolt Monitor software or with direct commands Digital modulation Digital modulation requires a 0 5 V TTL input signal applied to the digital modulati...

Страница 35: ...s avoid overdriving the diode so that it gives more than the nominal power level Specifications and diode lifetime are not guaranteed above nominal power which is stated on the manufacturer s identifi...

Страница 36: ...manufacturing the 06 DPLs settings are in digital modulation at 1 kHz and a 50 duty cycle When modulating with a different input signal the user can expect changes in the pulse shape peak power and a...

Страница 37: ...used to control the platform temperature when in modulation mode and can be used to optimize the temperature of the pump diode Adjust the TEC_LDmod temperature inversely with duty cycle Thermal compen...

Страница 38: ...nnected to a data port via USB There is a mini USB connection on the laser head The USB cable is provided with all lasers Handshaking Under no circumstances does the system initiate communication it o...

Страница 39: ...9 52 2 Under the Devices and Printers section choose Device Manager 3 Under Other devices find the device called Cobolt Laser Driver MLD Right click it and chose Update Driver Software 4 On the next s...

Страница 40: ...8 201 40 52 5 Click browse and find folder on your computer where the USB driver is stored 6 Windows security may warn you that the publisher of the driver is unverified Choose Install this driver sof...

Страница 41: ...re Auto start to be disabled but others will work when Auto start is active Command Function Argument Returned value l Get laser ON OFF state 0 OFF 1 ON cob1 Restart laser Forces the laser on without...

Страница 42: ...nalog and digital modulation states are independent To switch from analog to digital modulation it is necessary to disable analog and enable digital 06 MLD Specific Commands Command Function Argument...

Страница 43: ...ded as standard Installation Download the latest version of the Cobolt Monitor software from www cobolt se The Cobolt Monitor software is a stand alone executable the executable file is packaged with...

Страница 44: ...oose for the laser model For 06 series laser models Constant Power Constant Current or Modulation mode operation can be chosen Only relevant choices for the mode of operation are presented Commands op...

Страница 45: ...atus 06 MLD Cobolt Monitor software expanded to for more detailed monitoring TEC Settings shows the running status and the fault status for the laser s internal thermoelectric coolers TEC Laser Operat...

Страница 46: ...lays ERROR messages In the event of an ERROR the laser action is stopped When the reason for the ERROR event is understood and the problem is addressed the fault status can be cleared with Clear Fault...

Страница 47: ...nd modulation mode Likewise there are boxes to set the constant power level and constant current level The output power measured on an internal photodiode and the current through the laser pump diode...

Страница 48: ...lem is addressed the fault status can be cleared with Clear Fault If the Autostart Program is enabled click restart to restart the laser LED Status displays the LEDs that are currently illuminated on...

Страница 49: ...t temperature is under 40 C 9 If fault code 3 is returned see interlock fault checklist 10 If fault code 4 is returned there may be a problem with the constant power system 11 Contact Cobolt technical...

Страница 50: ...ty of 24 months after delivery with unlimited hours of operation except on 633nm 638nm 647nm and 660nm MLD which has a 24 month or 5000 hour limited warranty whichever comes first The laser systems ar...

Страница 51: ...010 1 Laser Safety Class IEC 60825 1 CDRH 21 CFR 1040 10 and 1040 11 EMC IEC 61326 1 EN55011 class A EN61000 4 X where X 2 3 4 5 6 and 11 FCC Part 15 subpart B class A All Cobolt products are RoHS com...

Страница 52: ...228 San Jose California 95134 USA Phone 1 408 708 4351 Fax 1 408 490 2774 E mail info coboltinc com USA Sales Office India Spectral Instrument System www spectralinstruments com _____________________...

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