Supercontinuum-based Fourier Transform Photoacoustic Spectroscopy for Sensitive Multi-gas Sensing

Tommi Mikkonen; Tuomas Hieta; Goëry Genty; Juha Toivonen

doi:10.1364/ES.2021.ETh4B.4

OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES)
OSA Technical Digest (Optica Publishing Group, 2021),
paper ETh4B.4
•https://doi.org/10.1364/ES.2021.ETh4B.4

Supercontinuum-based Fourier Transform Photoacoustic Spectroscopy for Sensitive Multi-gas Sensing

Tommi Mikkonen, Tuomas Hieta, Goëry Genty, and Juha Toivonen

Optics and Photonics for Sensing the Environment 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-90-3

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Supercontinuum-based Mid-IR Gas Sensors (ETh4B)

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T. Mikkonen, T. Hieta, G. Genty, and J. Toivonen, "Supercontinuum-based Fourier Transform Photoacoustic Spectroscopy for Sensitive Multi-gas Sensing," in OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES), S. Buckley, F. Vanier, S. Shi, K. Walker, I. Coddington, S. Paine, K. Lok Chan, W. Moses, S. Qian, P. Pellegrino, F. Vollmer, G. , J. Jágerská, R. Menzies, L. Emmenegger, and J. Westberg, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper ETh4B.4.

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Abstract

We investigate the noise characteristics of Fourier transform photoacoustic spectroscopy, improve the sensitivity of the technique by a factor of 20 and demonstrate our system’s ability to analyze complex gas mixtures.

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