ILX Lightwave LDC-3752M: 2/4 A Laser Diode Controller
The ILX Lightwave LDC-3752M is a precision laser diode controller capable of delivering 2A or 4A of current. It features advanced laser diode protection, high stability, and user-friendly interface for demanding laser control applications.
- Model
- ILX Lightwave LDC-3752M
- Calibration
- Available on request
- Price
- $1,970
- Status
- In stock
- RFQ ref
- LDC-3752M
This unit
The ILX Lightwave LDC-3752M is a precision laser diode controller combining high-stability current delivery with integrated temperature management. It has dual-range current output (2A/4A), advanced laser protection, and hybrid P-I temperature control from −100°C to 199°C, serving demanding laboratory and production environments requiring simultaneous optical and thermal regulation.
Technical Specifications Laser Current Source
Dual current ranges: 2A / 4A
Setpoint accuracy: ±0.05%
Setpoint resolution: 40 µA (2A range) / 80 µA (4A range)
Noise and ripple: <10 µA
Short-term stability: <20 ppm
Compliance voltage: 10V
Low bandwidth mode: DC operation with external modulation to 15 kHz
High bandwidth mode: Modulation to 1 MHz for dithering and wavelength tuning
Constant power mode: Rear facet or external photodiode feedback
Analog modulation: Differential input for improved laser protection Temperature Controller
TEC output power: 32W
TEC output current: 4A
TEC output voltage: 8V
Temperature control range: −100°C to 199°C
Temperature stability: ±0.004°C (with calibrated sensor)
Temperature measurement accuracy: ±0.05°C (with calibrated sensor)
Temperature setpoint resolution: 0.01°C
Control loop: Hybrid P-I
Sensor types: Thermistor, IC, RTD
Control modes: Constant temperature, constant sensor, constant TE current
Key Features
Independent current limits with adjustable threshold
Slow-start turn-on circuitry
Adjustable compliance voltage
Intermittent contact protection
Output shorting relays and semiconductor switch
Isolated laser and temperature control power supplies
Fast output shut-off response
Power line surge and EFT transient protection
Redundant current limit
Temperature sensor or TE module open-circuit shutoff
Typical Applications
High-precision laser diode characterization
Wavelength-tuned optical systems
Production-line laser module testing
Research and development optical platforms
Compatibility & Integration Supports thermistor, IC, and RTD temperature sensors. Capable of measuring temperature, current, resistance, and voltage across TEC circuit.
Specifications
| Parameter | Value |
|---|---|
| Voltage / Current Range | 2A / 4A output |
ILX Lightwave LDC-3752M — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the ILX Lightwave LDC-3752M. Calibration covers I/O channel accuracy per specification, analog output and input calibration to rated accuracy, and functional communication interface test (serial, Ethernet, fieldbus). All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.
Common ILX Lightwave LDC-3752M faults: blown I/O fuses, failed analog modules, power supply capacitor failure. Common faults include blown I/O protection fuses, failed analog I/O modules, power supply capacitor failure, and serial or Ethernet communication port damage.
ILX Lightwave LDC-3752M price
This ILX Lightwave LDC-3752M 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-3752M calibration cost
NIST-traceable calibration for the ILX Lightwave LDC-3752M is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers I/O channel accuracy per specification, analog output and input calibration to rated accuracy, and functional communication interface test (serial, Ethernet, fieldbus). Turnaround is 1 to 3 business days after receipt. See full calibration details →
