Broadband photothermal spectroscopy for gas sensing with two frequency combs

Optical Sensors and Sensing Congress 2022 (AIS, LACSEA, Sensors, ES) Pub Date : 1900-01-01 DOI:10.1364/es.2022.em3d.5

Qiang Wang, Zhen Wang, Hui Zhang, Shou-Ping Jiang, Yingying Wang, W. Jin, W. Ren

引用次数: 0

Abstract

We demonstrate scan-free broadband photothermal spectroscopy for gas sensing. The gas refractive index is modulated by the multiheterodyne beating of two frequency combs and demodulated by an in-line Fabry‐Pérot interferometer fabricated by a hollow-core fiber.

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宽带光热光谱的气体传感与两个频率梳

我们演示了用于气体传感的无扫描宽带光热光谱。气体折射率由两个频率梳的多外差跳动调制，由空心芯光纤制成的法布里-帕姆罗干涉仪解调。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

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

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