The SAN-U Laser Methane Sensing Module is developed using Tunable Diode Laser Absorption Spectroscopy(TDLAS)technology,ensuring stable,reliable performance and an extended service life.Utilizing a 1653.7nm laser for precise methane gas detection,the module is resistant to interference from water vapor and other gases.Its folded optical path design ensures long absorption   paths.The module features strong corrosion resistance,high precision,fast response,and low power consumption,making it suitable for use in various complex environments.It is widely  applied  in methane leak detection and alarm systems across coal mines,urban pipelines,and industrial chemical facilities.    

Features 特點(diǎn)： ● High-stability 高穩(wěn)定性 ● 1653nm DFB laser with Heating Resistor 帶有加熱電阻的 1653nm DFB 激光器 ● Low cost, high life 低成本、高壽命 Applications 應(yīng)用領(lǐng)域： ● Photonic Sensing (gas) 光子傳感（氣體）  

● High Responsivity,front side illuminated,double-side pads ● 500um,round optical window ● For near-infrared sensing,monitoring and meter/instruments ● Low Dark Current ● Respond to C-Band and 1700nm; L-Band ● Optimized for Methane(CH4) detection(1654nm),improving responsivity in low-temperature environment

Features: • DFB Laser • High wavelength accuracy • TO60 package with TEC • Low threshold current Applications: • Gas Sensor