ILX Lightwave CSM-39420: 4-CH Laser Diode Current Source Module
The ILX Lightwave CSM-39420 is a 4-channel laser diode current source module designed for precision control and modulation of laser diodes. It offers independent current control for each channel, ensuring accurate and stable operation of multiple laser diodes simultaneously. This module is ideal for applications requiring multi-channel laser control, such as optical component testing, laser diode characterization, and advanced research setups.
- Model
- ILX Lightwave CSM-39420
- Calibration
- Available on request
- Price
- $290
- Status
- In stock
- RFQ ref
- CSM-39420
This unit
The ILX Lightwave CSM-39420 is a 4-channel laser diode current source module engineered for precision independent control of multiple laser diodes. Each channel delivers isolated current output capable of driving individual laser diodes with stable, accurate operation. This module installs into the LDC-3900 Modular Laser Diode Controller mainframe and supports external modulation and photodiode feedback control for advanced optical systems.
Technical Specifications
Module Type: 4-Channel Laser Diode Current Source
Channels: 4 independent current source channels with isolated outputs
Modulation Input: 400 mV/A signal with 10 kΩ input impedance
Photodiode Bias: Adjustable 0–5 V reverse bias via back panel control or BNC connector
Photodiode Input: Dedicated pins 6 and 7 for photodiode signal acquisition
Laser Output Configuration: Both output terminals isolated from chassis ground; either terminal may be user-grounded
Key Features
Independent current control across all four channels ensures simultaneous multi-diode operation without crosstalk
Photodiode feedback mode enables closed-loop power stabilization
Modulation input accepts standard external control signals
Configurable photodiode reverse bias accommodates diverse photodetector requirements
Rear-panel bay installation integrates into existing LDC-3900 systems
Typical Applications
Optical component testing and validation
Laser diode characterization and performance mapping
Multi-channel laser research and development setups
MOPA (Master Oscillator Power Amplifier) laser systems when paired with complementary modules
Compatibility & Integration Designed exclusively for the ILX Lightwave LDC-3900 Modular Laser Diode Controller mainframe. Operates alongside other CSM and TCM modules - such as the CSM-39020 and TCM-39032 - to build application-specific configurations. This product is discontinued and no longer actively manufactured or supported.
Specifications
| Parameter | Value |
|---|---|
| Voltage / Current Range | 0–5 V (photodiode bias) |
ILX Lightwave CSM-39420 — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the ILX Lightwave CSM-39420. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
ILX Lightwave CSM-39420 price
This ILX Lightwave CSM-39420 is listed at $290. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
ILX Lightwave CSM-39420 calibration cost
NIST-traceable calibration for the ILX Lightwave CSM-39420 is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
