The PL-DFB-1550-C-A81 1550nm DFB laser diode module made by LD-PD is a cost effective, highly coherent laser source. The DFB laser diode chip is packaged in an industry standard hermetically sealed 14Pin Butterfly Free space Collimated output package with TEC and PD Built in.
| Name | Model | Description | Parameter | Price |
|---|
● with hermetic 14 Pin-Butterfly Housing (RoHS compliant)
● with integrated Beam Collimation
● including Monitor Diode, Thermoelectric Cooler and Thermistor
Tsub=25°C, CW bias unless stated otherwise
Parameter | Symbol | Min | Typ | Max | Unit |
Centre Wavelength | λ | 1530 | 1550 | 1610 | nm |
Side Mode Suppression Ratio | SMSR | 30 | 40 | dB | |
Threshold Current | Ith | 20 | 30 | mA | |
Operating Current | Iop | 80 | 120 | mA | |
Chip output Power | Pf | 10 | 20 | 35 | mW |
Quantum Efficiency | η | 0.15 | 0.25 | mW/mA | |
Current Tuning Coefficient | ∆λ/∆I | 0.015 | nm/mA | ||
Temperature Tuning Coefficient | ∆λ/∆T | 0.12 | nm/K | ||
Forward Voltage | Vf | 1.3 | 2 | V | |
Thermistor Resistance | RT | 9.5 | 10 | 10.5 | KΩ |
Thermistor Temp. Coefficient | -4.4 | %/°C | |||
Line width | LW | 1 | 3 | 10 | MHZ |
Relative Intensity Noise | RIN | -135 | -140 | -145 | dB/HZ |
Spectrum

Tuning Characteristics

L-I Curve

DFB Linewidth Testing Result

Central Wavelength

Wavelength Stability

Power Stability

Mode-Hop Free Wavelength Tuning

Beam Quality
2D

3D
Camera Analysis



● Metrology
● Magnetometer
PL-DFB-□□□□-☆-A8▽-14FSCO
□□□□: Wavelength
1550: 1550nm
*****
1653.7: 1653.7nm
☆: Output Power
A: 10mW
B: 20mW
C: 30mw
▽: Wavelength Tolerance
1: ±1nm