The PL-DFB-2004-A-A81 2004nm 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 14 pin butterfly package with TEC Built in. Good SMSR and High Optical power output.
Name | Model | Description | Parameter | Price |
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● Narrow Linewidth < 2MHz
● Excellent wavelength control and stability
● Industry Standard 14 pin Butterfly package
● Mode-Hop free tuning
● Excellant reliability
● Customer specific wavelengths available
Electrical/Optical Characteristics(Tsub=25°C, CW bias unless stated otherwise)
Parameter | Symbol | Min | Typ | Max | Unit |
Centre Wavelength | λ | 2003 | 2004 | 2005 | nm |
Side Mode Suppression Ratio | SMSR | 30 | 40 | dB | |
Threshold Current | Ith | 20 | 30 | mA | |
Operating Current | Iop | 180 | 200 | mA | |
Chip Output Power | Pf | 2 | 3 | 8 | mW |
Quantum Efficiency | η | 0.08 | 0.12 | 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 | |||
Connector | FC/APC |
Spectrum
Tuning Characteristics
DFB Linewidth Testing Result
L-I Curve
Central Wavelength
Wavelength Stability
Power Stability
Mode hope tuning Range
Beam Quality
2D
3D
Camera Analysis
Pin Connection
PIN# | Function | PIN# | Function |
1 | Thermistor | 8 | Case Ground |
2 | Thermistor | 9 | Case Ground |
3 | Laser Cathode (-) | 10 | NC |
4 | NC | 11 | Laser Anode (+) |
5 | NC | 12 | Laser Cathode (-) |
6 | TEC (+) | 13 | Laser Anode (+) |
7 | TEC (-) | 14 | NC |
Absolute Maximum Ratings
Item | Unit | Min | Typ | Max |
Case Temperature | ℃ | -5 | 25 | 70 |
Chip Temperature | ℃ | +10 | 25 | 40 |
Operating Current | mA | 0 | 180 | 200 |
Forward Voltage | V | 0.8 | 1.2 | 1.8 |
TEC Current | A | - | - | 1.2 |
Reverse Voltage(LD) | V | - | - | 2.0 |
Reverse Voltage(PD) | V | - | - | 20 |
CO2
● Tunable diode laser absorption spectroscopy
● CO2 Monitoring
PL-DFB-□□□□-☆-A8▽-XX
□□□□:Wavelength
1512:1512nm
*****
1653.7: 1653.7nm
2004: 2004nm
☆ :Output Power
A:2mW
B:5mW
▽:Wavelength Tolerance
1:±1nm
2:±2nm
XX: Fiber and Connector Type
SA=SMF-28E+ FC/APC
SP=SMF-28E+ FC/PC
PP=PM Fiber+ FC/PC
PA=PM Fiber+ FC/APC