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PICOLAS LDP-V 03-100 V4.0, User Manual

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User

 Manual 

 

 

PicoLAS GmbH 
Burgstr. 2 
52146 Würselen 
Germany 
 
Phone:    +49 (0) 2405-64594-60 
Fax:       +49 (0) 2405-64594-61 
E-mail:    [email protected] 
Web:        www.picolas.de 

Rev. 1910 

LDP-V 03-100 V4.0 

Summary of Contents for LDP-V 03-100 V4.0

Page 1: ...1 User Manual PicoLAS GmbH Burgstr 2 52146 Würselen Germany Phone 49 0 2405 64594 60 Fax 49 0 2405 64594 61 E mail info picolas de Web www picolas de Rev 1910 LDP V 03 100 V4 0 ...

Page 2: ...03 100 6 Operating Range Diagram 7 Maximum Duty Cycle vs Output Current 8 Current Droop vs Pulse Duration 8 Typical Performance of the LDP V 8 Internal Structure of the LDP V 9 How to use the internal HV DC Supply 10 Pulse Output 10 Trigger Input 10 Trigger Output Monitor 11 Absolute maximum Ratings 12 Mechanical Details of the Baseplate 12 ...

Page 3: ...3 ...

Page 4: ... header has got no connection If you use a PLCS 21 due to the very high speed signals you will need a SMC SMC cable This will be shipped free of charge upon request one for each PLCS 21 3 The maximum internal high voltage is reduced to be max 80 V If the voltage is displayed with a PLCS 21 via a PLB 21 operation unit or a PC interface it will show 100 V at a real internal setting of 80 V Please in...

Page 5: ... to 100 V Connect a 15 24 V DC power supply to the pin header See page 5 for details Note Some supplies have a voltage overshoot during turn on turn off This may damage the device 7 Adjust the value of the desired pulse current turn the poti clockwise until the current reaches the desired level 8 Disconnect the supply remove the short at the output and assemble the laser diode polarity 9 Reconnect...

Page 6: ...or supervising the actual high voltage 9 NTC Internal 10 kOhm NTC versus GND for temperature monitoring B value 3620 10 Currently not used Do not use Trigger Input The trigger input requires a signal level of 5 V and is terminated with 50 Ohm Current Monitor Output The current monitor output has a scale of 2 A V with a negative signal output It has a source impedance of 50 Ohm and must be terminat...

Page 7: ...LCS 21 with higher supply voltage than 15 V If you use the PLCS 21 with higher voltage than15 V the device will be damaged Operating Range Diagram LDP V 03 100 Max reprate vs pulse width internal HV with cooling 1 10 100 1 000 10 000 0 100 200 300 400 500 600 700 800 900 1000 Pulsewidth in ns Repetition rate in kHz 0 5 A 1 0 A 1 5 A 2 0 A 2 5 A 3 0 A 3 5 A LDP V 03 100 Max reprate vs pulse width i...

Page 8: ...2 0 46 6 58 2 0 10 2 5 57 9 72 4 0 06 3 0 69 2 86 5 0 04 3 5 80 100 0 03 Current Droop vs Pulse Duration The table below shows the absolute output current droop in A versus pulse length Pulse durations shorter than one microsecond are not considered as the droop is typically lower than 1 Pulse duration in µs Current in A 1 5 10 0 3 1 1 1 1 0 1 1 0 012 A 2 0 1 0 024 A 0 056 A 3 0 0 024 A 0 054 A 0 ...

Page 9: ...l resistance Rdiff diff comp HV LD R U U I 6 23 The laser diode current is measured with current sensing resistors current monitor output and with the galvanically isolated Rogowski coil The trigger input provides full control of the driver s pulsing capability to the user The required DC high voltage can either be applied through an external voltage source or it can be generated with the integrat...

Page 10: ... are connected to a high voltage of up to 80 V Pulse Output The LDP V series provides ultra rapid pulse rise and fall times in the region of several nanoseconds However pulse rise and fall depend on the parasitic stray inductance of the cabling to the laser diode Direct connection without any kind of wires to the module is absolutely necessary for best results For detailed information about the ef...

Page 11: ...ranteed with rise times below 200 ps There is no Schmitt Trigger inside the LDP V 03 100 Trigger Output Monitor The trigger output signal is generated with an integrated isolated Rogowski coil and provides an ultra fast galvanically isolated signal The signal shape is proportional to the derivative of the load current It can be used for a current response triggering signal and has no delay to the ...

Page 12: ... 1 mA Input voltage range Disable_Poti 0 5 V Input voltage range trigger input disable 0 15 V Security Advice Do not touch any leads of the output or the output capacitors as they are connected to a high voltage of up to 80 V Mechanical Details of the Baseplate All dimensions in millimetres ...

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