Description
The laser is a semiconductor InAlGaAs DFB laser working at the 1651nm wavelength range. This high performance, and high reliability laser is suitable for CWDM&RFOG.
Features
1651 nm typical emission wavelength
High Reliability
Application
RFOG
CWDM
Parameter
TC=25°C, continuous wave and beginning of life unless otherwise specified
| Parameter | Symbol | Min | Typ. | Max. | Unit | Test Condition |
| Centre wavelength | 1648 | 1651 | 1654 | nm | 200mA | |
| Threshold Current | Ith | 10 | 15 | mA | ||
| Optical Output Power | Pf | 30 | 35 | 40 | mW | 200mA |
| Resistance | Rs | 8 | Ohm | 200mA | ||
| Forward Voltage | Vf | 1.5 | 2 | V | 200mA | |
| Side Mode Suppression Ratio | SMSR | 35 | dB | 200mA | ||
| Slope Efficiency | SE | 0.275 | w/A | |||
| Rise and fall time | Tr/Tf | 120 | Ps |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max. | Unit |
| Storage Temperature | Ts | -40 | 85 | ℃ |
| Operation Temperature | To | 0 | 85 | ℃ |
| Relative Humidity | RH | 5 | 85 | % |
| Forward current | IF | - | 400 | mA |
| Forward voltage | VF | - | 2 | V |
| Reverse voltage | - | - | 2 | V |
| TEC Current | ITEC | 1.2 | A | |
| TEC Voltage | VTEC | 3.5 | V | |
| ESD(HBM) | ESD | 1500 | V |
Dimensions
| No. | Function | No. | Function |
| 1 | Thermistor | 8 | NC |
| 2 | Thermistor | 9 | NC |
| 3 | LD cathode | 10 | NC |
| 4 | MPD anode | 11 | LD anode |
| 5 | MPD cathode | 12 | NC |
| 6 | Cooler anode | 13 | Case Ground |
| 7 | Cooler cathode | 14 | NC |
