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2327nm 5mW DFB Laser Diode for CO Detection
2327nm Distributed Feedback (DFB) laser diode module manufactured by idealphotonics is a cost-effective and high-coherence laser source. The DFB laser diode chip adopts the industry-standard 14-pin butterfly package. A Thermoelectric Cooler (TEC) and a Photodetector (PD) are integrated inside the package with hermetic sealing performance.
Product features:Narrow linewidth: < 2 MHz;Excellent wavelength control and stability;Industry-standard 14-pin butterfly package;Mode-hop-free tuning;Outstanding reliability;Customizable wavelength available on request
Part Number:MP-DFB-2327-5-A81-14BF-SA
Application area:Tunable Diode Laser Absorption Spectroscopy (TDLAS) | Carbon Monoxide (CO) Monitoring
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Center Wavelength Output Power
2327nm 5mW

Detailed parameters
Electrical/Optical Properties (Substrate Temperature = 25°C, CW Bias unless otherwise noted)
Parameters | symbol | Minimum | Typical values | Maximum | unit |
Center wavelength | λ | 2326 | 2327 | 2328 | nm |
Side Mode Suppression Ratio | SMSR | 30 | 40 | dB | |
Threshold current | Ith | 20 | 30 | mA | |
Operating current | Iop | 80 | 120 | mA | |
Fiber output power | Pf | 4 | 5 | 10 | 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 value | RT | 9.5 | 10 | 10.5 | KΩ |
Thermistor temperature coefficient | -4.4 | %/℃ | |||
connectors | FC/APC | ||||
Spectrum

L-I Curve

DFB Linewidth Test Results

Power Stability
Package Dimensions & Pin Definition
PIN# | Definition | PIN# | Definition |
1 | TEC (+) | 8 | N/C |
2 | Thermistor | 9 | Laser Cathode (-) |
3 | Monitor Detector Anode (-) | 10 | Laser Anode (+) |
4 | Monitor Detector Anode (+) | 11 | N/C |
5 | Thermistor | 12 | N/C |
6 | N/C | 13 | Case Ground |
7 | N/C | 14 | TEC (-) |
Absolute maximum rating
project | unit | Minimum | Typical values | Maximum |
Shell temperature | ℃ | -5 | 25 | 70 |
Chip temperature | ℃ | +10 | 25 | 40 |
Operating current | mA | 0 | 100 | 150 |
Forward voltage | V | 0.8 | 1.2 | 1.8 |
Semiconductor Refrigerator (TEC) Current | A | - | - | 1.2 |
Laser diode (LD) reverse voltage | V | - | - | 2.0 |
Photodiode (PD) reverse voltage | V | - | - | 20 |
Order information
MP-DFB-□□□□-☆-A8▽-XX
□□□□: Wavelength
1512:1512nm
*****
1653.7: 1653.7nm
2327: 2327nm
☆ :Output Power
A: 5mW
B: 10mW
▽: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
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