The QCW Laser Diode Driver is capable of 1MW(1KV/1KA) QCW output power and includes many features such as a built in capacitor charging power supply (average power to 10KW). In addition, the product features an accurate voltage/current tracking system, complete protection circuit, and high speed power current sensing / monitoring system.

LIC Engineering’s power technologies make this QCW Laser Diode Driver compact (U3 – U7) yet powerful and highly efficient.

Key Features

  • High Power Laser Diode Driver: to 1KA & 1KV
  • High Power QCW Laser Diode Driver: to 1MW output power
  • Built in Capacitor Charging Power Supply: Average Power up to 10KW
  • Pulse Width: 1us to CW
  • Accurate Voltage & Current Tracking System
  • Pulse Rate from 1Hz to 10KHz
  • LSP (Lic Super Pulse) Operation
  • Complete Protection Circuits: Dual Over Current Protection (100ns response time), Over Temp, Over Load, Pulse Rate & Width Protection for an external input, and Interlock.  Please refer to Operation Manual for detail.
  • Precise, High Speed, Current Sense Output
  • Built in Monitor Scope: 3.5ns-7ns rise time


  • CW Average Power: Up to 10KW
  • QCW Output Power: Up to 1MW
  • QCW Output Voltage: Up to 1KV
  • QCW Output Current: Up to 1KA
  • Operating Voltage: Up to 1KV continuously adjustable
  • Output Configuration: Positive Output (standard)
  • Operating Mode: CW, or QCW, toggled by a front panel SW.
  • Pulse Rep. Rate: Single shot to 50KHz
  • Pulse Rise Time: 1us-3us (Depends on pulse set & load condition)
  • Pulse Width: 1us (External trigger) to DC
  • Pulse Duty: 0-100%
  • Ripple Current: Less than 1% at a rated current
  • QCW Current Droop: Refer to Operating Manual for detail.
  • AC Input Voltage: 90-120V (less than 500W CW power), or 180-240V, single & three phase  (up to 10KW CW power)
  • Efficiency: > 80%
  • Current Monitor: 50 Ohm BNC, 5-10mV/A
  • External Pulse: 1 Kohm BNC Input
  • Protection mode: Switching SW. Over current, Output SW. Over Current, Over Load, Pulse Width & Pulse Rate Protection, Over Temperature, Interlock.
  • Dimensions
    • 7.0″(H) x 17.0″(W) x 13.0″(L) inch, below 3KW
    • 10.5″(H) x 17.0″(W) x 15″(L) inch, above 3KW
  • Weight: 20.1 -40.5 lb.
  • Cooling: Forced Air & Water Cooled
  • Available Option: 100MHz Monitor Scope
  • Available Option: Higher current (Extended Pulse) is available