Photodigm PH976DBR Mercury 976 nm DBR laser
This monolithic laser diode incorporates a distributed Bragg reflector (DBR) for stable frequency performance over its life time. It comes in the Mercury TOSA compact cubic package (5.8mmWx5.2mmHx10mm) specialized for cooled laser operation. It provides a diffraction limited, single lateral and longitudinal mode beam. Facets are passivated for high reliability. Applications for the 976 nm DBR Laser Diode include mobile spectroscopy instrumentation where durability and reliability are essential.
- DBR Single-Frequency Laser Chip
- AlGaAs QW Active Layer
- Facets passivated to withstand high power without catastrophic optical damage (COD)
- Epi designed for high reliability
- Wavelength tunable across 2 nm
- Pulsed operation for spectral stability at short pulse lengths
- High power for CW applications
- High Slope Efficiency
Main specifications
MIN | TYP | MAX | UNIT | |
---|---|---|---|---|
Center Wavelength | 974 | 976 | 978 | nm |
Output power @ 150 mA | from 40 to 280 | mW | ||
Spectral linewidth @ 150 mA | 1 | 10 | MHz | |
SMSR | - 30 | dB | ||
Beam divergence (free space package) | 6 x 28 | 8 x 32 | ° |