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In Stock
C450 Laser Controller

Full digital Control; Laser current 0 – 500 mA; Compliance voltage > 4.0 V

The C450 combines an integrated temperature driver and laser driver in one package with full digital control. The laser driver has modulation bandwidth of 250 kHz; with separate fast TTL compatible switching. The laser current has variable hardware limit which can be set remotely. All control loops can be configured via USB or Ethernet and all setting are stored on the C450. Analog modulation input can mixed with internal current set point with different mixing ratios. An additional laser plugin PCB allows easy customization for various laser diodes.

Features: Laser diode control with full digital control of laser current and temperature
Applications: Spectroscopy, Laser, Precision Instrument, OEM applications

Specifications Parameter Value
Power Single Option 1: +12 V/3 A
Laser Current Control Laser current 0 - 500 mA. Hardware limit set digitally
Compliance voltage > 4.0 V
Setting accuracy 2 % fs
Noise (RMS) < 2µA
Drift < 20 µA
Temperature coefficient 50 ppm/C
Current limit Digitally controlled via hardware settings
Setting accuracy of current limit 2 % fs
Laser External Control Voltage range 0 - 10 V default, laser dependent
Input impedance 10 kOhm
Modulation coefficient (I const) 20 mA/V, laser dependent
3dB Bandwidth DC … 250 kHz
TTL modulation, rise / fall-time 250 ns
Modulation External, Internal, variable combination between them
External modulation up to 250kHz
Internal modulation up to 250kHz
Interlock Yes
Photodiode Gain 100;1k,10k,100k V/A
Bandwidth 50 kHz; TBD
Control digital
TEC control TEC current 0 … ± 2.0 A
TEC voltage > 4.5 V
Max output power 9 W
Current limit 0-2.0 A. digitally controlled
Input sensor Thermistor, 5 excitation current settings 10, 50, 100, 500 µA
PID control Fully digital. Typical stability 1 mK RMS
Connectors Laser Integrated Azimuth Electronics 14 pin connector with heat sink. Mutiple pinouts can be accommodated with different plg-in PCBs. Can be replaced with optional DB15 connector
Power Molex MicroFit 2 pin
Control Molex MicroFit 12 pin
Control Computer Control via USB and Ethernet. Can be programmed to start independently without computer connected
Dimensions (WxHxD) 107 x 92 x 40 mm
Weight 350 g
Storage Temp -55 to 100 C
Operating Temp -40 to 85 C
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