Product Description

The 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide Detection can be used for Hydrogen Sulfide(HS) gas detective application. This MQW DFB laser features 10 mW of output optical power, high Side Mode Suppression Ratio (SMSR). It features in a built-in thermoelectric cooler, thermistor, and a rear-facet monitor photodiode for external optical power control.

Product Detail

1. Summary of 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide Detection

The 1578nm 10mW DFB Butterfly Laser Diode can be used for Hydrogen Sulfide(HS) gas detective application. This MQW DFB laser features 10 mW of output optical power, high Side Mode Suppression Ratio (SMSR). It features in a built-in thermoelectric cooler, thermistor, and a rear-facet monitor photodiode for external optical power control.

2. Introduction of 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide Detection

The 1578nm 10mW DFB Butterfly Laser Diode can be used for Hydrogen Sulfide(HS) gas detective application. This MQW DFB laser features 10 mW of output optical power, high Side Mode Suppression Ratio (SMSR). It features in a built-in thermoelectric cooler, thermistor, and a rear-facet monitor photodiode for external optical power control.

3. Features of 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide Detection

Wavelength 1578nm;

Output power 10mW;

Narrow Line width 2MHz;

Excellent wavelength control and stability;

Industry Standard 14 pin Butterfly package;

Customer specific wavelengths available.

4. Application of 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide Detection

C/DWDM systems;

Fiber optical sensors;

Laser sources;

Gas detection.

5. Electro-Optical Characteristics(T=25℃) of 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide Detection

Parameter Symbol Condition Min. Typ. Max. Unit
Center Wavelength λC TL=15~35℃,CW 1578.49 1578.69 1578.89 nm
Optical Output Power PO - 10 - - mW
Threshold Current ITH - - 10 35 mA
Slope Efficiency ƞ CW,output power 5mW 0.05 0.11 0.2 mW/mA
Operating current IOP PO= 10mW(CW) - 100 200 mA
Spectral linewidth LW Full width, half maximum (FWHM) - 3 - MHz
Bandwidth(@-3dB) BW - - 2.5 - GHz
Side-mode Suppression Ratio SMSR CW 35 40 - dB
Optical Isolation - -10 < TC < +70℃ 30 - - dB
Relative Intensity Noise RIN CW,output power 5mW - -145 - dB
TEC set temperature TS - 15 - 35
Laser Forward Voltage VF CW,output power 10mW - 1.2 3.0 V
Monitor Dark Current ID - - - 0.1 μA
Input Impedance ZIN - 22 25 28 Ω
Thermistor Current ITC - 10 - 100 μA
Thermistor Resistance RTH TL = 25 °C 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 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide Detection

  • Type 1

  • Type 2

7. Deliver,Shipping And Serving of 1578nm 10mW DFB Laser Diode For Hydrogen Sulfide 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 is the applications and wavelength accuracy?

A: Box optronics can provide many wavelengths corresponding to a variety of gas detection applications.

Q: What is the optical connector you requirement?

A: Box optronics can customize the optical connector according the requirement for free.

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