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DD40: High-Power Laser Diode Driver

DD40: High-Power Laser Diode Driver


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  • Available with 1 to 4 independent channels
  • Up to 40A per channel
  • Analogue and photodiode monitor inputs
  • Constant optical power mode
  • Drive modulation inputs
  • Web-based interface
  • Ethernet connectivity


Ice Bloc DD40 is a high-power, precision laser diode driver - available with a choice of 1 to 4 independent channels-designed to help you build laser-based photonic systems for research, experimental and production applications.

Driving the latest generation of high power laser diodes, the DD40 combines high current (up to 40A), low noise output with high accuracy and high-resolution current set points. Its compact form factor with customisable software interface allows easy integration of the DD40 into experiments or OEM setups


Output current range (per channel) 0 - 40 A
Output compliance voltage range 0.8 - 5 V
Maximum output power 250 W across all four channels
Total output noise <0.02 % at 40 A
Current setting resolution 1 mA
Current accuracy ±2 %
Current temperature stability 50 ppm/°C
Input sensitivity 1 A/V
Modulation range ±3.2 A around the set point
Modulation frequency response DC – 10 kHz
Input impedance 10 kΩ
Input resolution 24 bits
Maximum safe input ±20 V
Monitor input linear range ±4 V
Input impedance 20 Ω (transimpedance)
Transimpedance gain range 80 V/A – 20 k V/A
Maximum safe input ±5 V (protected)
Input linear range ±10 mA
Input resolution 24 bits
Open circuit voltage 3.3 V
Closed maximum resistance 3 kΩ
Maximum safe input voltage ±10 V
Emission LED  
Output voltage +5 V
Current limiting resistance 620 Ω
Mains input voltage 100-240 V AC, 50/60 Hz, 350 VA (typical power: 15 W)
Size (W x H x D) Half rack (203 mm) x 2U (89 mm) x 345 mm (8” x 3.5” x 13.6”)
Weight 4.1 kg
Operating temperature 0 °C to 70 °C
Storage temperature 20 °C to 85 °C
Relative humidity <90 % humidity, non-condensing
Indoor/outdoor use Indoor use only
Altitude <2000 m