Continuous atmospheric methane concentration monitoring using wavelength modulation spectroscopy and anti-resonant hollow core fiber

G. Gomółka; G. Stępniewski; G. Stępniewski; D. Pysz; R. Buczyński; R. Buczyński; M. Klimczak; M. Nikodem

doi:10.1364/CLEO_AT.2022.AW4L.5

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper AW4L.5
•https://doi.org/10.1364/CLEO_AT.2022.AW4L.5

Continuous atmospheric methane concentration monitoring using wavelength modulation spectroscopy and anti-resonant hollow core fiber

G. Gomółka, G. Stępniewski, D. Pysz, R. Buczyński, M. Klimczak, and M. Nikodem

CLEO: Applications and Technology 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Advances in Mid-Infrared Atmospheric Sensing (AW4L)

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G. Gomółka, G. Stępniewski, D. Pysz, R. Buczyński, M. Klimczak, and M. Nikodem, "Continuous atmospheric methane concentration monitoring using wavelength modulation spectroscopy and anti-resonant hollow core fiber," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper AW4L.5.

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Abstract

High-sensitivity atmospheric methane detector utilizing wavelength modulation spectroscopy is presented. DFB interband cascade laser operating near 3.27 μm and 7.5-m-long negative curvature hollow-core fiber are used and single-ppb detection limit is obtained.

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