Multiple optical path length reflections enhancement based on balloon-type photoacoustic cell for trace gas sensing

A novel balloon-type photoacoustic cell (BTPAC) is proposed to facilitate the detection limitations of acetylene (C2H2) gas achieving ppb level. Here, an ellipsoidal photoacoustic cavity is employed as the platform for gas-light interaction. By strategically directing the excitation source towards t...

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Bibliographic Details
Main Authors: Ruiming Wu, Wenjun Ni, Chunyong Yang, Bingze He, Ping Lu, Sixiang Ran, Zhongke Zhao, Perry Ping Shum
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Photoacoustics
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Online Access:http://www.sciencedirect.com/science/article/pii/S2213597924000983
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