Description
The Photodigm 845.584 nm DBR Laser Diode is a high-performance, edge-emitting semiconductor laser designed for precision spectroscopy and atomic cooling applications. Engineered with monolithic single-frequency Gallium Arsenide (GaAs) technology, this Distributed Bragg Reflector (DBR) laser ensures exceptional spectral purity, delivering a single spatial mode beam with minimal noise and excellent stability.
Operating at 845.584 nm ± 0.6 nm, this laser diode offers an output power range of 80 mW to 240 mW, a low threshold current of 50 mA, and a high slope efficiency of 0.9 W/A, ensuring reliable and energy-efficient performance. It features passivated facets for enhanced durability and spectroscopy certification, guaranteeing precision alignment with the Calcium (Ca) cooling transition (Ca CT) within ±10 °C of room temperature.
Available in multiple packaging options, including Chip on Submount (CoS), TO-8, C-Mount, and Transmitter Optical Subassembly (TOSA), this DBR laser is ideal for atomic spectroscopy, laser cooling, and high-resolution imaging. With its narrow 500 kHz linewidth, excellent polarization stability, and high side-mode suppression ratio (SMSR), the 845.584 nm DBR Laser Diode is a trusted solution for demanding optical applications.
845.584 Single-Frequency DBR Laser Diode
Specifications
| Center Wavelength: | 0.845 um |
|---|---|
| Output Power: | 80 mW |
| Operating Current, Max (CW & Pulsed): | 350 mA |
| Optical Power At Max Operating Current: | 240 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 |
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Features
- High Output Power: Delivers optical power ranging from 80 mW to 240 mW, ensuring strong and reliable performance
- Low Threshold Current: Nominal threshold current of 50 mA ensures efficient operation and minimized power consumption
- High Slope Efficiency: Provides a slope efficiency of 0.9 W/A, optimizing energy conversion for enhanced performance
- Precision Wavelength: Operates at a nominal wavelength of 845.584 nm ± 0.6 nm, ideal for calcium-based atomic spectroscopy
- Reliable Operation: Passivated facets ensure extended operational life, reducing degradation over time
- Multiple Packaging Options: Available in CoS, MHF, and TOSA formats, providing flexibility for various integration needs
- Low Polarization Sensitivity: TE polarization ensures stable and predictable performance, minimizing polarization-dependent loss
Applications
- Atomic Spectroscopy: Optimized for calcium-based applications, ensuring precision in spectroscopy experiments
- Biomedical Diagnostics: Provides a stable and narrow linewidth source for high-resolution imaging and diagnostic tools
- Quantum Optics Research: Enables accurate and consistent results in quantum technology experiments
- Laser Cooling Systems: Suitable for frequency-doubled calcium cooling transitions, ensuring reliable performance
- Precision Metrology: Supports high-accuracy measurements in optical metrology systems
Frequently Asked Questions
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