Pulse Generators & Laser Diode Drivers

LIC Engineering is the pioneering company for the QCW power supplies and Super Pulse for laser diode applications.

High power & high speed laser diode drivers and pulse generators, Models LSP-, LS-, & LD- series High power Laser Diode Drivers have been used for many defense, space companies and laboratories in the US.

QCW LD Driver:
LIC Engineering’s high speed, high current, high QCW laser diode drivers cover wide range of Laser Diode applications especially where the high peak powers are required (including QCW laser diode driver).
LD-XXXX/QCW -series high voltage, high speed, high current, high QCW laser diode drivers have the output power to 1KA/1KV/1MW of QCW power. It has many features such as a built in powerful power supply (up to 25KW average power), accurate voltage/current tracking system, complete protection circuit, and high speed (100-200ns)/high power current sensing system. LIC Engineering’s power electronics technologies accumulated in high speed power switching and capacitor charging power supply make LD-XXXX/QCW so compact but powerful and highly efficient product.

LSP-Driver:
LSP-XXXX-XX-series
high voltage pulser, high speed, high power pulsed laser diode drivers can achieve 5KA/15KV/20ns pulse width with the rise time of 5-12 ns. High Current/high voltage/high power pulse generator up to 5000A with rise time of 3-15ns.

  • Ultra-High Power Laser Diode Driver up to 10KW CW
  • Powerful QCW Capacitor Charging Power Supply: communicates closely by the feedback circuit to keep a stable and precise constant current to the load
  • Huge Capacitor Bank: up to several hundred Farad for the Best Current Droop at High Current & Long Pulse
  • Ultar-Wide Pulse at huge current up to 60mseconds at 1.3KA
  • High Power/High Speed LD Driver: 500V/500A at 100ns rise/fall time
  • Competitive Price
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  • Ultra-High Power Laser Diode Driver
  • Powerful QCW Capacitor Charging Power Supply up to 10KW: communicates closely by the feedback circuit to keep a stable and precise constant current to the load
  • Huge Capacitor Bank: up to 500 F for the Best Current Droop at High Current & Long Pulse
  • Ultra-Width Pulse at huge current: 60ms pulse width at 1.3KA with 1% droop!!
  • Touch Panel Control: Optional tablet terminal can be a touch screen control
  • High Power/High Speed LD Driver: 2KV/5KA at 100ns-50us rise/fall time
  • High Performance Digital Scope: up to 0.7ns/500MHz and 29ps/12GHz (Sampling Scope) as an option
  • Double Isolated USB Interface for the highest noise immunity in the harsh industrial environment
  • Best Selling Product & Competitive Price
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  • High Power/High Speed LD Driver: 500V/500A at 500ps-15ns rise/fall time
  • Touch Panel Control: Tablet PC can be a touch screen control
  • High Resolution Vertical Axis of the Digital Scope: 8bit to 12bit (enhanced) to measure and read the exact current values
  • Easy Analyze of LD Current Waveforms: Up to 16 views of the scope window at a time
  • Precise Pulse Generator: Pulse Parameter of 0.03Hz-1MHz/1%-100% duty & 50ppm Crystal Oscillator & Low Jitter PLL Pulse Generator
  • Complete Square Wave Output: High speed rise-fall time
  • Double Isolated USB Interface for the highest noise immunity in the harsh industrial environment
  • High Power Pulse Generator
  • Competitive Price
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LSP-120 high speed laser diode driver is designed for space & weight limited special applications. It contains a built-in H.V power supply and oscillator so that user can supply only low DC voltage to operate the unit. It contains also a current monitor output.

  • Pulse Rate from 1Hz to 10KHz
  • Pulse Width from 5ns to 10ns
  • High Current from 0A to 120A
  • High Current Pulse Generator
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Narrow Pulse, Gas Discharge & High Power Laser Diode Power Supply/High Current Pulse Generator. 

LS-XXXX -series high frequency, high power pulsed laser diode drivers/power supplies, and gas discharge power supplies can achieve the pulse rate up to 5MHz with the pulse width of 5ns-50ns.

  • High Speed Laser Diode Driver: Maximum frequency up to 5MHz
  • High Power Pulsed Laser Diode Driver: Up to 2KW continues power.
  • Pulsed Laser Diode Driver/High Voltage Pulser: Up to 15KV
  • Multi-Channel Gas Discharge Driver.
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  • LSP-XXXX-XX series high power laser diode driver/power supply, high current pulser and high voltage pulse generator have many models from 500A-5KA, the output voltages from 1.4KV to 15KV and the rise time from 3ns to 15ns. Applications include:
  • High Current Pulse Generator: From 500A to 5KA
  • High Voltage Pulse Generator: From 500V to 15KV
  • High Speed Pulser: Rise time from 3ns to 15ns
  • High Speed H.V Switch: Pulse Rate from 1Hz to 10KHz
  • LSP (Lic Super Pulse) Operation
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  • LD-XXXX/QCW is QCW high power laser diode drivers capable of 1MW(1KV/1KA) output power. LD-XXXX/QCW has many features such as a built in powerful capacitor charging power supply (average power to 25KW), accurate voltage/current tracking system, complete protection circuit, and high speed power current sensing / monitoring system.
  • LIC Engineering's power electronics technologies make LD-XXXX/QCW so compact (U3 - U7) but powerful (25KW) and high efficient.
  • The QCW time period is limited by both average powers and current droop specified.
  • Charging capacitor up to 0.64 F
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  • LD-XXXX/QCW/HS is QCW high speed & high power laser diode drivers capable of 1MW(1KV/1KA) output power. LD-XXXX/QCW/HS has many features such as a built in powerful capacitor charging power supply (average power to 25KW), accurate voltage/current tracking system, complete protection circuit, and high speed power current sensing / monitoring system.
  • LD-XXXX/QCW/HS has 70ns rise time, minimum pulse width of 200-300ns.
  • The QCW time period is limited by both average powers and current droop specified.   Refer to Operating Manualfor the relation between QCW time period and charging capacitor.
  • Maximum charging capacitor up to 0.64 F
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  • LSP-XXXX-XX series high power laser diode driver/power supply, high current pulser and high voltage pulse generator have many models from 500A-5KA, the output voltages from 1.4KV to 15KV and the rise time from picoseconds to nanoseconds. Applications include:
  • High Current Pulse Generator: From 500A to 5KA
  • High Voltage Pulse Generator: From 500V to 15KV
  • Pulsed Laser Diode Power Supply
  • Pulse Rate from 1Hz to 10KHz
  • LSP (Lic Super Pulse) Operation
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LSP-2500-15KV-20NS is designed for driving Vcsel (Vertical-Cavity Surface-Emitting Laser)  diode and  for High Speed Gas Discharge Applications.  Applications include:

  • High Current Pulse Generator, High Power Diode Laser Driver/Power Supply
  • Pockels Cell Driver, High Current Pulsed Diode Laser Power Supply/Driver
  • High Voltage Pulse Generator, High Power Laser Diode Driver
  • H.V Trigger Circuit 
  • Thyratron Replacement
  • Vecsel Laser Diode Driver
  • High Power Laser Diode Driver/Power Supply
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  • LD-1500A/3000A is high power QCW laser diode drivers/power supply capable of 20KW (170V/120A) QCW output power. The QCW time period is limited by both average powers and current droop specified. Please refer to Product Manual for detail.
  • LD-1500A/3000A are also designed as high speed, high current CW/pulse laser diode drivers, of which CW power are 1.5KW and 3KW respectively and the peak current is up to 350A with the rise time of 50ns in Super Pulse mode.
  • LD-1500A/3000A uses a high frequency capacitor charging power supply to convert AC input power to a desirable DC output voltage. A DC power supply for QCW laser diode driver requires a special power supply since the load impedance changes from a short condition to an infinite impedance. To keep high efficiency and charge up the output capacitor in short time, the DC power supply should be specially designed for this purpose.
  • With a sub unit of LDC-120/250/XXX-XX, the outputs will extend up to 15MHz, 1.5ns pulse width, and several KA/KV output. Please refer to LDC-120/250 Manual for details.
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LDC-120/250 is designed for multi-purpose high speed laser diode driver/high power laser driver and high voltage pulse generator. This unit works together with a main unit of LD-1500/3000. However, It can be an independent unit too. Please contact factory for detail.

  • Air cooled, or Water Cooled Laser Diode Driver/Power Supply.
  • The unit can be used as a multi-purpose high speed/high voltage/high power laser diode driver/pulse generator.
  • Special made stripline available.
  • High Speed (15MHz), Stable(40ppm/C) internal PWM pulse generator included.  
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LSP-XXXX-XX series high power laser diode driver, high voltage pulser and high voltage pulse generator have many models from 500A-2.5KA, the output voltages from 1.4KV to 5KV and the rise time from 100ps to 15ns.

  • Picosecond to Nanosecond Pulse Generator: Rise time from 100ps to 15ns
  • High Current Pulse Generator: From 500A to 5KA
  • High Voltage Pulse Generator: From 500V to 15KV
  • Pulse Rate from 1Hz to 100Hz
  • LSP (Lic Super Pulse) is the original development by LIC Engineering
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