Description
The high power HST-DFB-BF14-x-x laser modules are designed for optical sensing and optical communication applications. These modules incorporate high output power while maintaining high linearity. The narrow line width and the option of using polarization maintaining optical fiber make it especially ideal for external modulation development.
Feature
• Standard OC-48 pin compatible
• Narrow spectral linewidth
• Low noise
• Compliant GR-468 reliability regulation
Parameter
Absolute Operation Conditions：
| Parameter | Symbol | Value | Unit |
| Laser Forward Current, Max | If(LD) | 400 | mA |
| Laser Reverse Voltage, Min | Vr(LD) | 3 | V |
| Monitor PD Current, Max | If(PD) | 2 | mA |
| Monitor PD Reverse Bias Voltage,Max | Vr(PD) | 20 | V |
| TEC Current, Max | ITEC | 2.4 | A |
| TEC Voltage, Max | VTEC | 2.9 | V |
| Operation Tempaerature | Topr | -20～+65 | ℃ |
| Storage Temperature | Tstg | -40～+85 | ℃ |
| PIN Solder Temperature/Period | Tsld | 260/10 | ℃/s |
Operation Specification：
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
| Optical Output Power | PO | IOP = 250mA | – | 40 | 60 | mW |
| – | 60 | 80 | ||||
| Threshold Current | Ith | CW | – | 45 | 60 | mA |
| Operation Current | Iop | CW,40mW | – | 250 | 400 | mA |
| Operation Forward Voltage | Vop | If = IOP | – | 2 | 3 | V |
| Spectral Width | Δλ | IOP = 250mA | – | 150 | 500 | kHz |
| Central Wavelength | λc | IOP = 100mA | 1548.22 | 1549.72 | 1551.22 | nm |
| 1551.43 | 1552.93 | 1554.45 | ||||
| 1554.65 | 1556.15 | 1557.65 | ||||
| 1557.89 | 1559.39 | 1560.89 | ||||
| Wavelength VS Temperature Coefficient | Δλ/T | Constant laser operation current | – | 0.1 | – | nm/℃ |
| Wavelength VS Laser Current Coefficient | Δλ/I | Constant laser operation temperature | – | 0.012 | – | nm/mA |
| Monitor PD Current | Im | If = IOP | 0.1 | – | 1.5 | mA |
| Dark Current of Monitor PD | Id | If = I | – | – | 10 | nA |
| Side-mode Suppresion Ratio | SMSR | – | 35 | 45 | – | dB |
| Chip Operation Temperature | T | – | – | 25 | – | ℃ |
| Thermistor Resistance | Rth | Ttherm = 25℃ | 9.5 | 10 | 10.5 | kΩ |
Application
• Optical communication, wavelength division multiplexing (WDM) application
• Opto-electrical instrument
• Light source
• DTS/BOTDX
• Optical sensor
