845.584 Single-Frequency DBR Laser Diode
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 |
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|---|---|
| Center Wavelength: | 0.845 ±.0.006 um |
| Output Power: | 80-240 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 |
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
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How to order?
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Ships from:
United States
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Sold by:
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On FindLight:
since 2019
Frequently Asked Questions
The laser is primarily designed for atomic spectroscopy applications, specifically for calcium-based (Ca) experiments, including laser cooling transitions.
The laser is available in multiple packaging formats, including Chip on Submount (CoS), Mode-Hop Free (MHF), and Transmitter Optical Subassembly (TOSA), providing flexibility for different integration needs.
The laser provides an optical power range of 80 mW to 240 mW, delivering strong and stable performance for various precision applications.
The laser supports temperature tuning with a rate of 0.06 nm/°C and current tuning at 0.002 nm/mA, allowing precise wavelength adjustments within ±0.6 nm.
Yes, the laser is sensitive to electrostatic discharge (ESD) and should be handled in a grounded work environment with proper ESD precautions. It should also be stored in an antistatic container when not in use.