The PL-NL series Fiber Bragg Grating laser is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC)
Optical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Center Wavelength | λc | TL=15～35℃ CW | 839 | 840 | 841 | nm |
Peak Optical Output Power | PO | - | - | 10 | 15.4 | mW |
Spectral linewidth | LW | - | - | 1 | 10 | MHz |
Side-mode Suppression Ratio | SMSR | CW | 40 | 50 | - | dB |
Optical Isolation | - | -10 < TC < +70 ºC | 30 | - | - | dB |
Polarization Extinction Ratio | ER | - | 18 | 20.68 | - | dB |
Relative Intensity Noise | RIN |
| - | - | -135 | dB/Hz |
Wavelength drift with case (-10 to 70 ºC) temperature | △λ | TL=15～35℃ | - | - | ±30 | pm |
Electrical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Threshold Current | ITH | - | - | 34.8 | 50 | mA |
Operating current | Iop | CW | - | 80 | 100 | mA |
TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
Laser Forward Voltage | VF | CW output power@ 15 mW | - | 1.3 | 2.5 | V |
Monitor Dark Current | ID | Pf=15mw VRD=5V | - | - | 0.1 | μA |
Input Impedance | ZIN | - | 22 | 25 | 28 | Ω |
Thermistor Current | ITC | - | 10 | - | 100 | μA |
Thermistor Resistance | RTH | TL = 25 °C | 9.5 | 10 | 10.5 | KΩ |
TEC Current | ITEC | TL = 25 °C, TC = 70 °C | - | - | 1.4 | A |
TEC Voltage | VTEC | TL = 25 °C, TC = 70 °C | - | - | 2.8 | V |
Fiber Pigtail Specifications
Parameters | Description |
Fiber Type | PM fiber |
Jacket Type | 900μm loose tube |
Pigtail Length | 1.0±0.1m |
Connector Type | FC/APC |
PM fiber Connector Orientation | Please see the right figure |
Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked.
Spectrum
L-I Curve
Beam Quality
2D
3D
