PH795DBR 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 | 793 | 795 | 797 |
| Optical Output Power | Po | mW | See Power Options Call-out | ||
| Slope Efficiency | ηd | W/A | 0.75 | 0.85 | – |
| 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 | SMSR | dB | -30 | – | – |
| Laser Polarization | TE | ||||
| Mode Structure | Fundamental Mode | ||||
Handling Precautions
These devices are sensitive to ESD. When handling the module, grounded work area and wrist strap must be used. Always store in an antistatic container with all leads shorted together.
Minimum Power (mW)
40 / 80 / 120 / 180