Product Description

The 1653nm DFB Butterfly Laser Diode For CH4 Detection can be used in gas boring and surveying. Compared with traditional methods for gas detecting, it uses laser to make spectrum analysis which can achieve long-distance survey under harsh environment. It can also serve as a light source in combustible gas detecting module.

Product Detail

1. Summary of 1653nm DFB Butterfly Laser Diode for CH4 Detection

The 1653nm DFB Butterfly Laser Diode can be used in gas boring and surveying. Compared with traditional methods for gas detecting, it uses laser to make spectrum analysis which can achieve long-distance survey under harsh environment. It can also serve as a light source in combustible gas detecting module.

We offer various models to provide laser in different ways like FB, DFB and CWDM, which can produce laser with the wavelength ranging from 1652.7nm to 1654.7nm. Besides, our laser diode can provide the output power 10mW with 2.5Gbps. Also, it has low threshold current of 10mA to 35mA.

2. Introduction of 1653nm DFB Butterfly Laser Diode for CH4 Detection

The 1653nm DFB Butterfly Laser Diode can be used in gas boring and surveying. Compared with traditional methods for gas detecting, it uses laser to make spectrum analysis which can achieve long-distance survey under harsh environment. It can also serve as a light source in combustible gas detecting module.

We offer various models to provide laser in different ways like FB, DFB and CWDM, which can produce laser with the wavelength ranging from 1652.7nm to 1654.7nm. Besides, our laser diode can provide the output power 10mW with 2.5Gbps. Also, it has low threshold current of 10mA to 35mA.

3. Features of 1653nm DFB Butterfly Laser Diode for CH4 Detection

Laser output power 10mW;

Center wavelength 1653nm;

High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser;

Integrated TEC and Thermistor.

4. Application of 1653nm DFB Butterfly Laser Diode for CH4 Detection

Production testing of passive components for gas detection;

Fiber gas detection system;

Laser sources;

Optical testing equipment.

5. Optical-Electrical Characteristics of 1653nm DFB Butterfly Laser Diode for CH4 Detection

Parameter Symbol Condition Min. Typ. Max. Unit
Center Wavelength λc TL=15~35℃ CW 1653.2 1653.7 1654.2 nm
Optical Output Power PO CW 10 - - mW
Optical Isolation - -10 < TC < +70℃ 30 - - dB
Threshold Current ITH - - 10 35 mA
Slope Efficiency ƞ CW 0.05 0.08 0.2 mW/mA
Operating current Iop CW - 150 200 mA
Spectral linewidth LW FWHM - 3 - MHz
Laser Forward Voltage VF CW - 1.2 3.0 V
Monitor Dark Current ID - - - 0.1 μA
Bandwidth(@-3dB) BW - - 2.5 - GHz
Side-mode Suppression Ratio SMSR CW 35 40 - dB
TEC set temperature TS - 15 - 35
Thermistor Current ITC - 10 - 100 μA
Thermistor Resistance RTH TL = 25℃ 9.5 10 10.5
TEC Current ITEC TL = 25℃, TC = 70℃ - - 1.5 A
TEC Voltage VTEC TL = 25℃, TC = 70℃ - - 3.5 V
TEC capacity ΔT Tc = 70℃ - - 50
Thermistor temperature - - - - 100
Wavelength Drift (EOL) △λ Tested over 25-year lifetime - - ±0.1 nm
Wavelength Temperature coefficient Δλ/ΔT TEC temperature
at 15℃ to 35℃
- 0.09 - nm/℃
Wavelength Current coefficient Δλ/ΔΙ - - 0.01 - nm/mA


6. Package drawing&PIN-OUT Definition(Unit:mm) of 1653nm DFB Butterfly Laser Diode for CH4 Detection



Type 1


Type 2




7. Deliver,Shipping And Serving of 1653nm DFB Butterfly Laser Diode for CH4 Detection

All products have been tested before shipping out;

All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)

We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);

If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;

If the items are defective, please notify us within 3 days of delivery;

Any items must be returned in their original condition to qualify for a refund or replacement;

The buyer is responsible for all the shipping cost incurred.

8. FAQ

Q: what fiber type would you like?

A: SM fiber or PM fiber?

Q: What is the requirement for the output power?

A: Box optronics can customize according to your requirements.

Q: What PIN-OUT would you like?

A: Type 1 or Type 2.


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