854.209 Single-Frequency DBR Laser Diode
Description
The Photodigm 854.209 nm DBR Laser Diode is a high-performance, single-frequency, edge-emitting laser diode based on monolithic Gallium Arsenide (GaAs) technology. Designed for precision atomic spectroscopy, this device is Spectroscopy Certified, ensuring it reaches the Ca⁺ cooling transition (Ca⁺ CT) within ±10°C of room temperature.
Featuring a single spatial mode beam with passivated facets for enhanced reliability, this DBR laser diode provides stable wavelength emission at 854.209 nm ± 0.6 nm. With an optical output power range of 80–240 mW and a maximum operating current of 350 mA, it delivers high slope efficiency and low threshold current.
Offered in multiple package configurations—including Chip on Submount (CoS), TO-8, C-Mount, and Transmitter Optical Subassembly (TOSA)—the 854.209 nm DBR Series is ideal for applications requiring high spectral purity, narrow linewidth, and robust performance in spectroscopy and quantum research.
854.209 Single-Frequency DBR Laser Diode
Specifications |
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|---|---|
| Center Wavelength: | 0.854 ±.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 |
| Laser Forward Voltage: | 2 V |
Features
- High Optical Power: Delivers an optical power range of 80–240 mW
- Single Spatial Mode Beam: Ensures high beam quality for precise measurements
- Spectroscopy Certified: Guaranteed wavelength accuracy for Ca+ cooling transition (±10°C from room temperature)
- Temperature Stability: Offers excellent temperature tuning rate of 0.06 nm/°C
- Low Threshold Current: Nominal threshold current of 50 mA for efficient operation
- Passivated Facets: Provides enhanced reliability and longevity for demanding environments
Applications
- Calcium Ion Spectroscopy: Essential for atomic spectroscopy and precise calcium ion (Ca+) applications
- Atomic Spectroscopy: Ideal for use in advanced spectroscopy setups for scientific research
- Laser Cooling and Trapping: Suitable for calcium ion-based cooling transition (Ca+ CT) applications in precision experiments
- Precision Optical Systems: Used in optical systems requiring high spectral accuracy and stable performance
For pricing, technical or any other questions please contact the supplier
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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 nominal wavelength of the 854.209 nm DBR Laser Diode is 854.209 nm, with a tolerance of ± 0.6 nm.
This laser diode is primarily used in atomic spectroscopy, especially for calcium ion (Ca+) cooling transition (Ca+ CT) applications. It is ideal for precision measurements and laser cooling and trapping experiments.
The laser diode has a maximum operating current of 350 mA, with a nominal threshold current of 50 mA.
The 854.209 nm DBR Laser Diode is guaranteed to hit the Ca+ cooling transition wavelength with an accuracy of ± 10°C from room temperature, ensuring reliable and stable performance in spectroscopy applications.
The 854.209 nm DBR Laser Diode is available with several free-space package add-ons, including the Mode-Hop Free (MHF) and Virtual Point Source (VPS) lenses, which provide flexible integration into various optical setups.