A highly sensitive differential photoacoustic gas sensor based on modified non-local Euclidean medians algorithm

Le Zhang; Lixian Liu; Xueshi Zhang; Xukun Yin; Wei Li; Huiting Huan; Xiaopeng Shao

doi:10.1364/CLEO_AT.2021.JW1A.88

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper JW1A.88
•https://doi.org/10.1364/CLEO_AT.2021.JW1A.88

A highly sensitive differential photoacoustic gas sensor based on modified non-local Euclidean medians algorithm

Le Zhang, Lixian Liu, Xueshi Zhang, Xukun Yin, Wei Li, Huiting Huan, and Xiaopeng Shao

CLEO: Applications and Technology 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Joint Poster Session II (JW1A)

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L. Zhang, L. Liu, X. Zhang, X. Yin, W. Li, H. Huan, and X. Shao, "A highly sensitive differential photoacoustic gas sensor based on modified non-local Euclidean medians algorithm," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JW1A.88.

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Abstract

A upgrade differential photoacoustic gas sensor was established with a modified non-local Euclidean medians algorithm. The result shows that gas detection sensitivity is 83 ppb with sevenfold improvement than the original photoacoustic setup.

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