ILX Lightwave LCM39420 Combination Driver and TEC Module

The ILX Lightwave LCM-39420 is a combination laser diode driver and thermoelectric cooler (TEC) controller module engineered for precise current and temperature management of laser diodes. The integrated design delivers high-stability current output and independent TEC control, maintaining consistent laser performance across scientific research, industrial, and test environments. The module combines selectable current ranges with adjustable PID-based temperature regulation, supporting multiple sensor types and control interfaces for flexible system integration.

Technical Specifications

• Selectable current ranges for compatibility across laser diode types


• High current stability specified in parts per million (ppm)


• Precision current accuracy for consistent output power


• Internal and external modulation capability support


• Sufficient compliance voltage for intended laser diode operation


• Over-current, over-temperature, and ESD protection -# TEC Controller


• Adjustable temperature control range


• Temperature stability in millikelvin (mK) or microkelvin (µK)


• Temperature accuracy for measurement and control


• Configurable TEC drive current and voltage


• Thermistor (10kΩ), RTD, and thermocouple sensor compatibility


• Adjustable PID control parameters for optimized temperature regulation -# General Module Specifications


• Input voltage and current requirements


• Connector interfaces for laser diodes, temperature sensors, and control signals


• Analog, digital (GPIB, USB, Ethernet), or front-panel control options


• Defined ambient operating and storage temperature ranges

Key Features

• Dual-function architecture eliminates separate driver and controller modules


• PID feedback loop optimizes thermal stability without manual tuning


• Multi-sensor support enables flexible temperature monitoring


• Multiple control protocols support laboratory and production integration


• Integrated protection extends laser diode operational life

Typical Applications

• Fiber-coupled and free-space laser systems


• Wavelength-stabilized laser modules


• Scientific instrumentation and research platforms


• Industrial laser processing and metrology


• Automated test systems requiring dynamic current and temperature management

Compatibility & Integration The module accepts industry-standard sensor inputs and offers multiple control pathways for integration into existing lab automation frameworks and production test environments.