Record link: 
http://hdl.handle.net/20.500.12708/224899
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Title: 
Bow-Tie Cavity Realization for Power Enhancement of the Excitation Laser in Photoacoustic Spectroscopy
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Citation: 
Sam, S., Waclawek, J. P., Moser, H., Gazizov, I., O’Faolain, L., & Lendl, B. (2025). Bow-Tie Cavity Realization for Power Enhancement of the Excitation Laser in Photoacoustic Spectroscopy. In 2025 IEEE Photonics Conference (IPC). 2025 IEEE Photonics Conference (IPC), Singapur, Singapore. IEEE. https://doi.org/10.1109/IPC65510.2025.11282184
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Publisher DOI: 
10.1109/IPC65510.2025.11282184
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Publication Type: 
Inproceedings - Full-Paper Contribution
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Language: 
English
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Authors: 
Sam, Savda 
Waclawek, Johannes Paul 
Moser, Harald 
Gazizov, Iskander 
O'Faolain, Liam 
Lendl, Bernhard 
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Organisational Unit: 
E164-02-1 - Forschungsgruppe Prozessanalytik 
E056-04 - Fachbereich TU-DX: Towards Applications of 2D Materials 
E056-12 - Fachbereich ENROL DP 
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Published in: 
2025 IEEE Photonics Conference (IPC) 
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ISBN: 
979-8-3315-2559-0
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DOI of the book: 
10.1109/IPC65510.2025.11282184
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Date (published): 
22-Dec-2025
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Event name: 
2025 IEEE Photonics Conference (IPC) 
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Event date: 
9-Nov-2025 - 13-Nov-2025
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Event place: 
Singapur, Singapore
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Number of Pages: 
2
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Publisher: 
IEEE
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Peer reviewed: 
Yes
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Keywords: 
Bow-tie resonator; cavity design; field enhancement; methane detection; near-infrared
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Abstract: 
In photoacoustic spectroscopy, a powerful technique for trace gas sensing, the induced signal increases with the optical excitation power. We report a bow-tie cavity designed to deliver the power enhancement and stable beam waist for methane detection in the near-infrared region.
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Project title: 
European Joint Doctorate Programme on Optical Sensing using Advanced Photo-Induced Effects: 860808 (European Commission) 
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Research Areas: 
Photonics: 70%
Modeling and Simulation: 30%
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Science Branch: 
2040 - Chemische Verfahrenstechnik: 40%
1030 - Physik, Astronomie: 60%
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Appears in Collections:
Conference Paper

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