The QPhotonics QSDM-810-2 is a fiber-coupled superluminescent diode delivering broad spectral bandwidth and stable light emission across demanding optical applications. Built on a double-angled-stripe MOCVD structure with double AR coating, this device achieves <0.05% reflectance and produces a flat, low-rippled spectrum ideal for coherence-sensitive and sensing systems.
Technical Specifications
Optical Performance
• Center wavelength: 810 nm
• Output power: 2 mW (typical)
• Spectral width (FWHM): 20 nm
• Reflectance: <0.05% (double AR coating)
• Monitor photodiode reverse voltage: 5 to 20 V
Electrical & Operational
• Operation mode: CW or pulsed
• Switching time: 10 ns
• Operating temperature range: -40°C to +40°C
• Package: 14-pin DIL with integrated monitor photodiode and thermistor
Fiber Pigtail
• Type: Single mode fiber
• Optional connector: FC/APC
– Key Features
• Double-angled-stripe MOCVD architecture for spectral flatness
• Integrated monitor photodiode for real-time output tracking
• Built-in thermistor and thermoelectric cooler for thermal management
• Broad 20 nm spectral width minimizes coherence artifacts
• Low reflectance optical design reduces feedback-induced noise
– Typical Applications
• Optical coherence tomography (OCT) systems
• Fiber optic gyroscope (FOG) configurations
• Optical and fiber-based sensing
• Precision measurement instrumentation
• Biomedical imaging
– Compatibility & Integration
The QSDM-810-2 ships with single mode fiber pigtailing and accepts FC/APC connectors as standard. The 14-pin DIL package integrates monitor photodiode, thermistor, and TEC functionality, enabling direct integration into multi-channel systems with minimal external thermal management circuitry.
