Relative humidity sensor based on polarization maintaining fiber loop mirror with polymer coating | Zendy

Liang Houhui | Zendy; Jin Yongxing | Zendy; Wang Jianfeng | Zendy; Dong Xinyong | Zendy

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Relative humidity sensor based on polarization maintaining fiber loop mirror with polymer coating

Author(s) -

Liang Houhui,

Jin Yongxing,

Wang Jianfeng,

Dong Xinyong

Publication year - 2012

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.27085

Subject(s) - relative humidity , materials science , cladding (metalworking) , coating , humidity , refractive index , optics , optical fiber , polarization (electrochemistry) , fiber optic sensor , optoelectronics , composite material , fiber , chemistry , physics , meteorology

A relative humidity sensor based on polarization maintaining fiber (PMF) loop mirror is presented. The proposed sensors are created through coating a thin layer of polyvinyl alcohol, whose refractive index varies as a function of humidity level, onto a PMF, from which a portion of the cladding is removed. The relative humidity optical fiber sensor is tested with different surrounding humidity level, showing a linear response to parameter. The sensitivity of the relative humidity measurement of 0.98 nm/%RH in the range from 20% to 85% RH is experimentally achieved. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2364–2366, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27085

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