Ultra-highly sensitive optical gas sensors based on chemomechanical polymer-incorporated fiber interferometer
- Authors
- Bae, Mi-Kyung; Lim, Jung Ah; Kim, Sangsig; Song, Yong-Won
- Issue Date
- 2013-01-28
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.21, no.2, pp.2018 - 2023
- Abstract
- We demonstrate a novel optical sensor for use in explosive gas detection, having a simple structure, ultrahigh sensitivity, room-temperature sensing/refreshing operation, and no local power requirements. The sensor relies on a fiber Fabry-Perot interferometer prepared using poly(4-vinylpyridine), which induces cavity expansion upon absorption of nitrobenzene, thereby shifting the phase matching conditions of the resonating modes. An estimated sensitivity limit as low as 5 ppb was achieved. (C) 2013 Optical Society of America
- Keywords
- THIN-FILMS; THIN-FILMS; optical gas sensor; P4VP; fiber Fabry Perot; explosive gas
- ISSN
- 1094-4087
- URI
- https://pubs.kist.re.kr/handle/201004/128434
- DOI
- 10.1364/OE.21.002018
- Appears in Collections:
- KIST Article > 2013
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