Miniaturized fiber-coupled trace gas sensors based on photoacoustic spectroscopy

Michael Köhring; Ulrike Willer; Wolfgang Schade; Wolfgang Schade

doi:10.1364/LACSEA.2012.LW5B.7

Lasers, Sources, and Related Photonic Devices
OSA Technical Digest (CD) (Optica Publishing Group, 2012),
paper LW5B.7
•https://doi.org/10.1364/LACSEA.2012.LW5B.7

Miniaturized fiber-coupled trace gas sensors based on photoacoustic spectroscopy

Michael Köhring, Ulrike Willer, and Wolfgang Schade

Laser Applications to Chemical, Security and Environmental Analysis 2012

San Diego, California United States
29 January–1 February 2012
ISBN: 978-1-55752-933-6

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New Spectroscopic Approaches (LW5B)

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M. Köhring, U. Willer, and W. Schade, "Miniaturized fiber-coupled trace gas sensors based on photoacoustic spectroscopy," in Lasers, Sources, and Related Photonic Devices, OSA Technical Digest (CD) (Optica Publishing Group, 2012), paper LW5B.7.

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Abstract

Fiber coupled trace gas sensors are presented, which operate with photoacoustic excitation using silicon micro tuning forks as sensitive elements. A detection limit of S = (2.13 ±0.02) ppm (1σ) is achieved for ozone.

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