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Miniaturized fiber-coupled trace gas sensors based on photoacoustic spectroscopy

: Köhring, M.; Willer, U.; Schade, W.


Optical Society of America -OSA-, Washington/D.C.:
Laser applications to chemical, security and environmental analysis : Part of Lasers, sources, and related photonic devices. 29 January - 1 February 2012, San Diego, California, United States
Washington, DC: OSA, 2012
ISBN: 978-1-55752-933-6
Paper LW5B.7
Conference "Laser Applications to Chemical, Security and Environmental Analysis" (LACSEA) <2012, San Diego/Calif.>
Fraunhofer HHI ()

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 (s) is achieved for ozone.