ILX Lightwave LDX-36125-24 – Laser Diode Driver, High Power CW/QCW

The ILX Lightwave LDX-36125-24 is a high-power laser diode driver for precision current delivery in continuous wave (CW) and quasi-continuous wave (QCW) applications. It delivers up to 125 A in CW mode and 220 A in QCW mode with 24 V compliance, meeting the demands of research, development, and production environments requiring stable, accurate laser control.

Technical Specifications Output Current

CW mode: 125 A

QCW mode: 220 A

Compliance voltage: 24 V

Resolution: 10 mA

Accuracy: ±(0.1% of FS + 120 mA)

1 h stability: < 100 ppm FS

Temperature coefficient: < 50 ppm FS/°C

Noise/ripple: < 60 mA rms QCW Pulse Performance

Pulse width: 40 μs to 2 s

Repetition rate: 0.1 to 1000 Hz

Duty cycle: 0.5 to 10%

Rise/fall time: < 20 μs

Hard pulse capability supported Monitoring & Measurement

Forward voltage resolution: 10 mV

Forward voltage accuracy: +0.05% of 20 mV

Monitor current range: 3 to 10000 μA

Monitor current accuracy: +0.1% of FS

Photodiode measurement supported (0 to 15 V reverse bias)

Thermistor input supported Protection & Control

Adjustable current limit: 0 to full scale

Adjustable voltage limit: 0 to full scale

Current limit response: < 2 μs

Open circuit response: < 50 μs

Output shorting relay (normally closed)

Transient protection: Output On/Off, Power Up/Down, EFT/Surge

Programmable temperature limit

TTL trigger input/output with adjustable delay

Key Features

GPIB computer interface for remote control and monitoring

5-digit green LED display

Setpoint accuracy: +0.1%

Slow turn-on/off circuits for diode protection

Fast error detection circuits

Typical Applications High-power laser diode systems in R&D and production requiring precise current regulation, pulsed operation, and integrated photodiode monitoring.

Compatibility & Integration LabVIEW instrument drivers available for virtual instrument programming. Physical Specifications

Dimensions: 5.25" H × 19" W × 17.75" D (146 mm × 483 mm × 451 mm)

Weight: 18.9 kg (41 lbs)

Power: 200-240 VAC