ILX Lightwave LDC-3722B: 200/500 mA Laser Diode Controller, LDC-3700 Series
The ILX Lightwave LDC-3722B is a precision laser diode controller from the LDC-3700 Series. It offers dual current ranges of 200mA and 500mA, ensuring stable and accurate control for a variety of laser diode applications. Ideal for research, development, and production environments, this controller provides low-noise performance and comprehensive laser diode protection features.
- Model
- ILX Lightwave LDC-3722B
- Calibration
- Available on request
- Price
- $1,970
- Status
- In stock
- RFQ ref
- LDC-3722B
This unit
The ILX Lightwave LDC-3722B is a precision laser diode controller delivering stable current and temperature regulation with dual selectable ranges of 0–200 mA and 0–500 mA. Part of the LDC-3700 Series, it combines low-noise performance with comprehensive laser diode protection, making it suitable for research, development, and production environments. Current stability reaches ±10 µA typical over 8 hours, while current noise stays below 2 µA rms across 0.1 Hz to 10 Hz bandwidth.
Technical Specifications Current Control
Ranges: 0–200 mA and 0–500 mA (selectable)
Stability: ±10 µA typical (8-hour period)
Noise: <2 µA rms (0.1 Hz to 10 Hz bandwidth)
Resolution: 1 µA
Accuracy: ±(0.1% of setting + 0.1% of range) typical
Compliance Voltage: 5 V Temperature Control
Setpoint Range: –40 °C to +150 °C
Stability: ±0.005 °C typical (with calibrated sensor)
Accuracy: ±0.1 °C typical (post-calibration)
TEC Output: Up to 2 A, 5 V maximum
Sensor Support: ILX Lightwave sensors, thermistors, RTDs Protection & Control
Soft start for transient suppression
User-configurable current limit
Interlock input for external shutdown
Analog input for laser current modulation
Buffered analog outputs for current and voltage monitoring Interfaces
GPIB (IEEE-488) and RS-232 for remote operation
Front-panel digital display Power & Environment
Input: 100/120/220/240 VAC, 50/60 Hz
Consumption: 150 VA maximum
Operating Temperature: 0 °C to 40 °C
Storage Temperature: –20 °C to 70 °C
Key Features Dual current ranges accommodate both sensitive and high-power laser diodes. Sub-microampere noise performance supports precision spectroscopy and photometry. Temperature control bandwidth and accuracy enable wavelength-locked operation. Soft-start and transient suppression circuits protect against drive circuit failures.
Typical Applications Fiber-coupled laser systems, tunable laser sources, optical communications test benches, and laser characterization in production environments.
Compatibility & Integration Integrates with standard ILX Lightwave temperature sensor modules. GPIB and RS-232 interfaces enable rack-level automation and multi-instrument test system architectures.
Specifications
| Parameter | Value |
|---|---|
| Voltage / Current Range | 0–200 mA / 0–500 mA (selectable), 5 V compliance |
ILX Lightwave LDC-3722B — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the ILX Lightwave LDC-3722B. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
ILX Lightwave LDC-3722B price
This ILX Lightwave LDC-3722B is listed at $1,970. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
ILX Lightwave LDC-3722B calibration cost
NIST-traceable calibration for the ILX Lightwave LDC-3722B 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 →
