976 Single-Frequency DBR Laser Diode
Description
The Photodigm 976 nm Distributed Bragg Reflector (DBR) Laser Diode is a high-performance, edge-emitting laser diode designed for applications requiring single-frequency operation and high stability. Built on Photodigm’s advanced Gallium Arsenide (GaAs) monolithic laser technology, it delivers a single spatial mode beam with passivated facets for enhanced reliability.
This DBR laser diode is available in low-power (40–200 mW) and high-power (80–350 mW) configurations, featuring a narrow linewidth of 500 kHz, excellent side-mode suppression ratio (SMSR), and precise wavelength control. Its temperature tuning rate of 0.06 nm/°C and current tuning rate of 0.002 nm/mA enable precise spectral alignment, making it ideal for optical coherence tomography (OCT), biomedical imaging, and sensing applications.
The 976 nm DBR laser diode is available in multiple package configurations, including Chip on Submount (CoS), 9MM, TO-8, C-Mount, and TOSA, ensuring seamless integration into various optical systems. With a high polarization extinction ratio of up to 20 dB, this laser diode provides superior performance for demanding applications.
976 Single-Frequency DBR Laser Diode
Specifications |
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|---|---|
| Center Wavelength: | 0.976 ±.0.006 um |
| Output Power: | 80-350 mW |
| Operating Current, Max (CW & Pulsed): | 500 mA |
| Optical Power At Max Operating Current: | 180 mW |
| Storage Temperature: | 0 to +70 °C |
| Nominal Laser Linewidth @ LIV Current: | 500 kHz |
| Temperature Tuning Rate:: | 0.06 nm/ºC |
| Polarization Extinction Ratio: | -20 dB |
| Operating Temperature (Chip): | +5 to +45 °C |
| Beam Divergence @ FWHM (θ|| X θ⊥): | 6 x 28 º |
| Laser Forward Voltage: | 2 V |
Features
- High Optical Power Output: Available in low-power (40–200 mW) and high-power (80–350 mW) versions
- Single-Frequency Operation: Narrow linewidth (≤500 kHz) for precise wavelength stability
- Excellent Beam Quality: Fundamental spatial mode with low divergence (6° × 28° to 8° × 32° FWHM)
- Superior Spectral Purity: High SMSR (≥40 dB) ensures minimal mode competition
- Tunable Wavelength Control: Temperature tuning rate of 0.06 nm/°C and current tuning rate of 0.002 nm/mA
- Reliable Performance: Passivated facets and monolithic GaAs structure for long-term stability
- Flexible Packaging Options: CoS, TO-8, C-Mount, and TOSA configurations available
- High Polarization Extinction Ratio: Up to 20 dB for applications requiring strong polarization control
Applications
- Optical Coherence Tomography (OCT): High-resolution biomedical imaging applications
- Biomedical Sensing: Precise detection and analysis in medical diagnostics
- Spectroscopy and Metrology: Accurate spectral measurements in scientific research
- Precision Fiber Optic Communications: Integration into advanced optical network systems
- Quantum Optics and Atomic Physics: Ideal for experiments requiring narrow-linewidth lasers
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How to order?
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Ships from:
United States
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On FindLight:
since 2019
Frequently Asked Questions
The 976 nm DBR laser diode is primarily used in optical coherence tomography (OCT), biomedical imaging, and optical sensing applications. It provides a single spatial mode beam with high stability and reliability, making it ideal for precision optical systems.
The laser diode is available in low-power (40–200 mW) and high-power (80–350 mW) configurations. It delivers stable optical performance across various operating conditions.
The laser is available as a Chip on Submount (CoS) and with additional packaging options such as Mode-Hop Free (MHF) CoS, TO-8, C-Mount, and Transmitter Optical Subassembly (TOSA) for enhanced integration.
The laser exhibits a temperature tuning rate of 0.06 nm/°C, meaning that its wavelength shifts slightly with temperature variations, which should be considered for precision applications.
This device is highly sensitive to ESD (Electrostatic Discharge) and should be handled in a grounded work area with proper antistatic protection. It should be stored in an antistatic container with all leads shorted together when not in use.