Evanescent wave quartz-enhanced photoacoustic spectroscopy employing dielectric coated side-polished fibers for sensing applications

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bicop-2024-f5b.3.pdf(1.51 MB)
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Date
2024-12
Authors
Twomey, Cian F.
Biagi, Gabriele
Ruth, Albert A.
Ali, Farhan
Di Falco, Andrea
O’Faolain, Liam
Walsh, Anton
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Optica Publishing Group
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Abstract
We present an all-fiber laser gas analyzer using quartz-enhanced photoacoustic spectroscopy, featuring a dielectric-coated side-polished fiber, custom quartz tuning fork, and acoustic micro-resonators, achieving over 42 times enhancement in QEPAS signal for improved detection performance.
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Keywords
All-fiber laser gas analyzer , Quartz-enhanced photoacoustic spectroscopy , Improved detection performance
Citation
Twomey, C. F., Biagi, G., Ruth, A. A., Ali, F., Di Falco, A., O’Faolain, L. and Walsh, A. (2024) 'Evanescent wave quartz-enhanced photoacoustic spectroscopy employing dielectric coated side-polished fibers for sensing applications', British and Irish Conference on Optics and Photonics 2024, London, United Kingdom, 18–20 December 2024. Technical Digest Series (Optica Publishing Group, 2024), paper F5B.3 (2pp). https://opg.optica.org/abstract.cfm?URI=BICOP-2024-F5B.3
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https://opg.optica.org/abstract.cfm?URI=BICOP-2024-F5B.3
URI
https://hdl.handle.net/10468/17183
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Tyndall National Institute - Conference Items
Environmental Research Institute - Conference Items
Physics - Conference Items
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© 2024, the Authors. Published by Optica Publishing Group.