ILX Lightwave LDC-3722B Laser Diode Controller with 500mA High Stability and GPIB Interface

The ILX Lightwave LDC-3722B is a high-precision laser diode controller designed for semiconductor laser applications, offering the following features:

• Current Source: Dual range output of 0–200 mA or 0–500 mA with high stability
• TEC Controller: Integrated 32 Watt thermoelectric cooler controller supporting -4 A to +4 A output
• Interfaces: GPIB for remote control and monitoring
• Display: Digital readout for current and temperature measurements
• Protective Circuits: Slow-start current ramp, adjustable current and voltage limits
• Accuracy & Stability:
• Current setpoint accuracy ±0.05%
• Current stability <40 ppm/°C over 24 hours
• Current resolution <2 µA
• Voltage measurement accuracy ±2.5%
• Temperature Control:
• Temperature setpoint resolution 0.1 °C
• TEC current limit range 0 to 4 A
• Photodiode Measurement:
• Range 5 to 5000 µA with ±0.05% accuracy
• Bandwidth: DC to 1 MHz (3 dB)
• Input Parameters:
• Voltage input range 0 to 10 V
• Input impedance 10 kΩ
• Physical Specifications:
• Weight: 11.43 kg (25.2 lbs)
• Dimensions: 45.72 cm x 39.62 cm x 18.29 cm
• Compliance Voltage: Maximum 10 V

This unit has been tested and verified to be fully functional, although it presents slight cosmetic blemishes. No power or data cables and user manuals are included. A 30-day warranty on the part is provided. The unit is classified under Harmonized Code 903033 for optical instruments used in precision measurement and control.