ILX Lightwave LDC3724C Laser Diode Controller

The ILX Lightwave LDC3724C is a precision laser diode controller integrating low-noise current regulation with a 32 W thermoelectric cooler (TEC) controller. It delivers stable, accurate laser diode bias and temperature management across research, development, and manufacturing environments.

Technical Specifications Laser Diode Current Output

Dual-range selectable: 0–200 mA and 0–500 mA

Setpoint resolution: 4 µA (200 mA range); 10 µA (500 mA range)

Setpoint accuracy: ±0.05% of full scale

Compliance voltage: 0–10 V adjustable

Temperature coefficient: <50 ppm/°C

Short-term stability (1-hour): <20 ppm FS

Long-term stability (24-hour): <40 ppm FS

Output noise and ripple: 8 V DC

Maximum TEC current: 4.0 A

Key Features

Slow-start turn-on and adjustable current limiting

Multiple protection layers: intermittent contact protection, output shorting relays, overcurrent protection, reverse voltage protection, power surge and brown-out protection, fast output shut-off

USB and GPIB/IEEE-488 interfaces for system integration

LabVIEW driver support for automated control and data acquisition

Typical Applications Laser diode characterization, optical module testing, wavelength stabilization via optical feedback, modulated laser control up to 1 MHz, and thermal management in precision photonics systems.

Compatibility & Integration USB and GPIB/IEEE-488 connectivity enable integration into automated test benches. LabVIEW drivers streamline instrument programming and data logging.