DFB Laser Diode TO-CAN TEC and thermistor inside collimating lens Stable 1627nm wavelength and high power output. Please contact us for details before placing an order.
Download the datasheet for these DFB To-Can Laser.
Key Features
TEC and thermistor inside
Stable wavelength and high power output
Low-cost TO-can package
With collimating lens
Reliability: Telcordia GR-468. RoHS
Applications
Laser gas analysis and detection system
CH4 gas sensor
Parameters Min. Typ. Max. Unit
Ambient Operating Temperature -20 - 70 ℃
Laser Operating Temperature - 25 - ℃
Store Temperature -40 - 85 ℃
Threshold Current (Ith) 8 15 mA
Output Power (Ith+20mA) 5 - - mW
Output Power (100mA) 10 - - mW
Slope Efficiency - 0.1 - mA
Center Wavelength λ-2nm λ λ+2nm nm
Side Mode Suppression Ration 35 40 - dB
Optical Isolation 25 - - dB
Power Monitor Current 100 300 1000 μA
Power Monitor Dark Current - - 10 nA
Wave. Temp. Coefficient - 0.1 - nm/℃
Wave. Current. Coefficient - 0.01 - nm/mA
Thermistor B constant - 4050 - K
Thermistor Resistance @25C 9.5 10 10.5 kΩ
In gas detection, according to the absorption spectrum data provided by HITRAN, there are usually several absorption peaks for one gas. Please choose the corresponding center wavelength on the basis of your system requirements.
