- Cart
- |
- Personal Center
- |


1910nm 3mW DFB Laser Diode
1910nm Distributed Feedback (DFB) laser diode module manufactured by Xiaoxiao Photonics is a cost-effective, high-coherence laser source. The DFB laser diode chip is packaged in an industry-standard 14-pin butterfly package with hermetic sealing, integrated with internal Thermoelectric Cooler (TEC) and Photodiode (PD).
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-1910-3-A81-14BF-SA
Application area:Tunable Diode Laser Absorption Spectroscopy (TDLAS) | Gas Monitoring
Add to Cart Request for Quotation Consult Favorite
Center Wavelength Output Power
1910nm 3mW

Detailed parameters
Electrical/Optical Properties (Substrate Temperature = 25°C, CW Bias unless otherwise noted)
Parameters | symbol | Minimum | Typical values | Maximum | unit |
Center wavelength | λ | 1909 | 1910 | 1911 | 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 | 2 | 3 | 5 | 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

Optical Power - Current Curve

Tuning Characteristics

Linewidth Test Results

Power Stability

Beam Quality
2D

3D
Camera Analysis

Pin Definition
PIN# | Definition | PIN# | Definition |
1 | Thermistor | 8 | Case Ground |
2 | Thermistor | 9 | Case Ground |
3 | Laser Cathode (-) | 10 | N/C |
4 | N/C | 11 | Laser Anode (+) |
5 | N/C | 12 | Laser Cathode (-) |
6 | TEC (+) | 13 | Laser Anode (+) |
7 | TEC (-) | 14 | N/C |
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
1910: 1910nm
☆ :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
--
Request for Quotation
We will reply to all your information about the product in time.
⇪