基于qcl的4.5 μm N2O的腔增强吸收光谱

Optical Sensors and Sensing Congress 2022 (AIS, LACSEA, Sensors, ES) Pub Date : 1900-01-01 DOI:10.1364/es.2022.etu4h.6

Min Yang, Zhen Wang, Qinxue Nie, W. Ren

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引用次数: 0

摘要

我们提出了一种用于环境N2O检测的腔增强吸收传感器。通过直接调制激光注入电流，实现了将量子级联激光器锁定在高精细腔内的Pound-Drever-Hall技术。

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QCL-based Cavity-Enhanced Absorption Spectroscopy of N2O at 4.5 μm

We present a cavity-enhanced absorption sensor for ambient N2O detection. The Pound-Drever-Hall technique was implemented to lock a quantum cascade laser to a high-finesse cavity by directly modulating the laser injection current.

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Optical Sensors and Sensing Congress 2022 (AIS, LACSEA, Sensors, ES)

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