Product Description

The 1653nm DFB Laser Diode For CH4 Sensing delivers reliable,Stable wavelength and high power output,With collimating lens. This single longitudinal mode laser is designed specifically for gas sensing applications targeting Methane(CH4). The narrow linewidth output improves application performance across a wide range of operating conditions.

Product Detail

1. Introduction of 1653nm DFB Laser Diode For CH4 Sensing

The 1653nm DFB Laser Diode For CH4 Sensing delivers reliable,Stable wavelength and high power output,With collimating lens. This single longitudinal mode laser is designed specifically for gas sensing applications targeting Methane(CH4). The narrow linewidth output improves application performance across a wide range of operating conditions.

2. Features of 1653nm DFB Laser Diode For CH4 Sensing

Imported DFB chip, built-in TEC and NTC;

Stable wavelength and high power output;

Small package;

With collimating lens.

3. Application of 1653nm DFB Laser Diode For CH4 Sensing

Laser gas analysis and detection system.

4. Absolute Maximum Ratings of 1653nm DFB Laser Diode For CH4 Sensing

Parameter Symbol Condition Min. Typ. Max. Unit
Storage temperature Ts - -40 - 85
Operating case temperature Top - -20 - 70
Laser forward current IF CW - 120 - mA
Laser reverse voltage VLR - - - 2 V
Lead welding temperature/Time Tsld - - 260/10 - ℃/s

5. Electro-Optical Characteristics(T=25℃) of 1653nm DFB Laser Diode For CH4 Sensing

Parameter Symbol Condition Min. Typ. Max. Unit
Peak wavelength λ ITH = 35mA 1652.7 1653.7 1654.7 nm
Optical output power PO CW 5 - - mW
Threshold current ITH CW - 10 15 mA
Operating current IOP CW, 5mW - 40 - mA
Side-mode suppression ratio SMSR CW, 5mW 35 40 - dB
Spectral width(20dB) ∆λ CW, 5mW - 0.2 - nm
Wavelength stability λS CW,5mW,25℃ -0.1 - 0.1 nm
Wave. temp. coefficient Δλ/ΔT 15℃ to 35℃ - 0.1 - nm/℃
Wave. current coefficient Δλ/ΔΙ - - 0.01 - nm/mA
Thermistor Rth Ttherm = 25℃ 9.5 10 10.5 kΩ

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

  • PIN Designations PIN Designations
    1 TEC(-) 8 TEC(+)
    2 Thermistor(+) 7 Thermistor(-)
    3 LD(+) 6 LD(-)
    4 PD(+) 5 PD(-)

7. Deliver,Shipping And Serving of 1653nm DFB Laser Diode For CH4 Sensing

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 is the PIN type would you like?

A: A type, B type or other.

Q: What is the requirement for the connector?

A: Box Optronics can customize according to your requirements.

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