The Melles Griot 06DLD103 is a precision laser diode driver that functions simultaneously as a current source, thermoelectric cooler controller, and diagnostic instrument. It delivers stable, adjustable current to laser diodes while maintaining consistent optical output and extending diode lifespan. The unit combines analog and digital modulation capabilities with real-time data acquisition and graphical display, enabling laser characterization and integration into automated test systems via IEEE-488.2 interface.
Technical Specifications
Current Output
• Range: 1–500 mA
• Resolution: 100 µA
• Temperature Coefficient: <100 ppm/°C
• Current Limit Range: 5–500 mA
Modulation
• Analog Modulation Bandwidth (06DLD103A): DC to 500 Hz (700 msec rise/fall time) or DC to 1.0 MHz (350 nsec rise/fall time)
• Digital Square Wave: 0.49 µs to 16 ms period (60 Hz to 2 MHz)
Electrical
• Voltage Compliance: 0–10 Vdc
• Power Input: 100, 120, 220, or 240 Vac ±10%, 50–60 Hz, 1Ø
Physical
• Dimensions: 180 × 300 × 105 mm (7.1 × 11.8 × 4.1 in.)
• Weight: 7.0 kg
– Key Features
• Constant current output with low-noise delivery to laser diodes
• High-frequency analog modulation via external control signal summed to front-panel setting
• Integrated thermoelectric cooler controller for thermal management
• 240 × 128 element backlit LCD with menu-driven interface
• Dual plotting modes: diode characterization (current, photocurrent, voltage, power) and temporal analysis (current, power, voltage, temperature, TEC current)
• Selectable sample intervals from 1 millisecond to 3500 seconds
• External analog input collection from current amplifiers and power meters
– Typical Applications
Laser diode characterization, laboratory testing, automated optical system control, thermal stability studies, and time-domain performance analysis of laser sources.
– Compatibility & Integration
IEEE-488.2 (GPIB) interface enables remote operation and integration into automated test benches. External analog input accommodates modulation signals and third-party measurement equipment.















