Tungsten disulfide (WS_2) based all-fiber-optic humidity sensor | Zendy

Yunhan Luo | Zendy; Chaoying Chen | Zendy; Kai Xia | Zendy; Shuihua Peng | Zendy; Heyuan Guan | Zendy; Jieyuan Tang | Zendy; Huihui Lu | Zendy; Jianhui Yu | Zendy; Jun Zhang | Zendy; Yi Xiao | Zendy; Zhe Chen | Zendy

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Tungsten disulfide (WS_2) based all-fiber-optic humidity sensor

Author(s) -

Yunhan Luo,

Chaoying Chen,

Kai Xia,

Shuihua Peng,

Heyuan Guan,

Jieyuan Tang,

Huihui Lu,

Jianhui Yu,

Jun Zhang,

Yi Xiao,

Zhe Chen

Publication year - 2016

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.008956

Subject(s) - materials science , humidity , fiber optic sensor , optical fiber , relative humidity , optics , repeatability , tungsten disulfide , optoelectronics , fiber , composite material , chemistry , physics , chromatography , thermodynamics

We demonstrate a novel all-fiber-optic humidity sensor comprised of a WS 2 film overlay on a side polished fiber (SPF). This sensor can achieve optical power variation of up to 6 dB in a relative humidity (RH) range of 35%-85%. In particular, this novel humidity fiber sensor has a linear correlation coefficient of 99.39%, sensitivity of 0.1213 dB/%RH, and a humidity resolution of 0.475%RH. Furthermore, this sensor shows good repeatability and reversibility, and fast response to breath stimulus. This WS 2 based all-fiber optic humidity sensor is easy to fabricate, is compatible with pre-established fiber optic systems, and holds great potential in photonics applications such as in all-fiber optic humidity sensing networks.

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