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

被引：23

作者：

Bae, Mi-Kyung ^{[1
,2
]}

Lim, Jung Ah ^{[1
]}

Kim, Sangsig ^{[2
]}

Song, Yong-Won ^{[1
]}

机构：

[1] Korea Inst Sci & Technol, Future Convergence Res Div, Seoul 136791, South Korea

[2] Korea Univ, Sch Elect Engn, Seoul 136701, South Korea

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

THIN-FILMS;

D O I：

10.1364/OE.21.002018

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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

引用

页码：2018 / 2023

页数：6

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