SPECTRA DIODE LABS SDL 800 LASER DIODE DRIVER

The Spectra Diode Labs SDL 800 is a precision laser diode driver engineered for laboratory and industrial applications requiring stable, accurate current delivery to CW laser diodes. It supplies up to 1000 mA of adjustable drive current while maintaining consistent optical output through dual control modes and integrated protection circuitry. An embedded TEC controller manages Peltier elements to 1.5 A and 3 V with 0.1°C temperature stability, compatible with 10 kΩ thermistors and SDL 2350 Series laser diodes.

Technical Specifications

• Maximum Drive Current: 1000 mA


• Current Control Modes: Current Control and Optical Power Monitor modes


• Modulation Bandwidth: 100 kHz


• Display: 3.5-digit readout covering six key operating functions


• Recorder Outputs: 1 V/W (power), 1 V/A (current)


• TEC Controller: Peltier elements to 1.5 A at 3 V; 10 kΩ thermistor compatible; 0.1°C temperature stability

Key Features

• Adjustable current limiting to prevent laser diode overdrive


• High-speed current limiting and transient suppression for fault-free operation


• Open-circuit detection and missing photodiode detection


• Automatic laser diode terminal shorting during output switching


• Built-in dummy setup diode for safe configuration mode


• Low-line voltage detection and comprehensive power-line filtering


• Front-panel key switch and rear-panel remote interlock connector


• Microprocessor-based command logic prevents illegal operating commands


• Compliant with 21 CFR 1040.10 laser safety regulations


• Analog and A/D modulation inputs for external signal integration

Typical Applications Research and development environments requiring stable laser diode drive current with integrated temperature management. Systems demanding optical power monitoring alongside current control. Applications utilizing modulated laser operation at frequencies to 100 kHz.

Compatibility & Integration Operates with any CW laser diode requiring drive currents up to 1000 mA. Integrates with SDL 2350 Series laser products and standard Peltier cooling elements. DIN-8 connector pinout available for remote control interfaces.