Precision hydrogen trace gas detection by ultralow-loss multipass cavity Raman scattering

Jaspreet Singh; Andreas Muller

doi:10.1364/CLEO_AT.2023.ATh3K.4

CLEO 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper ATh3K.4
•https://doi.org/10.1364/CLEO_AT.2023.ATh3K.4

Precision hydrogen trace gas detection by ultralow-loss multipass cavity Raman scattering

Jaspreet Singh and Andreas Muller

CLEO: Applications and Technology 2023

San Jose, CA United States
7–12 May 2023
ISBN: 978-1-957171-25-8

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Spectroscopy II - Absorption and Raman (ATh3K)

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J. Singh and A. Muller, "Precision hydrogen trace gas detection by ultralow-loss multipass cavity Raman scattering," in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper ATh3K.4.

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Abstract

Raman scattering with a feedback-assisted ultralow-loss multipass cavity was implemented for trace hydrogen sensing. A limit of detection (precision) of 40 (50) parts-per-billion was obtained at a pressure of 0.2 MPa in a 30-min exposure.

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