PH808DBR Mercury Series
Technology
- DBR Single-Frequency Laser Chip
- AlGaAs QW Active Layer
Features
- Robust, monolithic die design
- Pulsed operation for spectral stability at short pulse lengths
- Package contains TEC cooling with precise thermistor control
- High Slope Efficiency
- Hermetic package for high reliability
Absolute Maximum Rating
| Parameter | Symbol | Unit | Min | Max |
|---|---|---|---|---|
| Storage Temperature | TSTG | °C | 0 | 80 |
| Operating Temperature | TOP | °C | 5.0 | 70 |
| CW Laser Forward Current, T=25°C | IF | mA | – | ** |
| Laser Reverse Voltage | VR | V | – | 0.0 |
| TEC Current | ITEC | A | -1.1 | 1.1 |
| TEC Voltage | VTEC | V | -3.0 | 3.0 |
| Thermistor Current | ITHRM | mA | – | 1.0 |
| Thermistor Voltage | VTHRM | V | – | 10 |
**Do not exceed drive current or operating power of supplied LIV
CW Characteristics at TC = 25°C unless otherwise specified
| Parameter | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Center Wavelength @ 150mA | λc | nm | 805 | 807 | 809 |
| Optical Output Power | Po | mW | See Power Options Call-out | ||
| Slope Efficiency | ηd | W/A | 0.6 | 0.75 | – |
| Threshold Current | Ith | mA | – | 50 | 80 |
| Laser Series Resistance | RS | Ω | – | 2.0 | 2.5 |
| Laser Forward Voltage @ 150mA | VF | V | – | 2.0 | 2.5 |
| Thermistor Resistance @ 25°C | RT | KΩ | – | 10 | – |
| Laser Line Width | ∆v | MHz | – | 1 | 10 |
| Beam Divergence @ FWHM | θװ X θ┴ | º | – | 6 X 28 | 8 X 32 |
| Side Mode Suppression Ratio | |||||

