1653nm DFB Laser Diode For CH4 Sensing
1653nm DFB Laser Diode Single Longitudinal for CH4 Sensing has stable wavelength and high power output, with collimating lens. It is designed specifically for Methane(CH4) sensing.
This narrow linewidth DFB Laser diode improves application performance across a wide range of operating conditions.
Features:
High Quality DFB chip, built-in TEC and NTC;
Stable wavelength and high power output;
Small Size package;
With collimating lens.
Applications:
Laser gas analysis and Gas detection system.
Methane Detection Device
Datasheet as following:
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 -
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) CW, 5mW - 0.2 - nm
Wavelength stability λS CW,5mW,25 -0.1 - 0.1 nm
Wave. temp. coefficient 15 to 35 - 0.1 - nm
Wave. current coefficient - - 0.01 - nm/mA
Thermistor Rth Ttherm = 25 9.5 10 10.5 kΩ
