Ultra-highly sensitive optical gas sensors based on chemomechanical polymer-incorporated fiber interferometer

Authors
Bae, Mi-KyungLim, Jung AhKim, SangsigSong, 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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