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.
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.
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.
Wavelength 1578nm;
Output power 10mW;
Narrow Line width 2MHz;
Excellent wavelength control and stability;
Industry Standard 14 pin Butterfly package;
Customer specific wavelengths available.
C/DWDM systems;
Fiber optical sensors;
Laser sources;
Gas 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 | KΩ |
| 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 |
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.
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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