Fiber optic humidity sensor using water vapor condensation

被引：28

作者：

Limodehi, Hamid E. ^{[1
]}

Legare, Francois ^{[1
]}

机构：

[1] Inst Natl Rech Sci, Ctr Energie Mat & Telecommun, 1650 Blv Lionel Boulet, Varennes, PQ, Canada

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 13期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

SURFACE-PLASMON RESONANCE; DEVICE;

D O I：

10.1364/OE.25.015313

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The rate of vapor condensation on a solid surface depends on the ambient relative humidity (RH). Also, surface plasmon resonance (SPR) on a metal layer is sensitive to the refractive index change of its adjacent dielectric. The SPR effect appears as soon as a small amount of moisture forms on the sensor, resulting in a decrease in the amount of light transmitted due to plasmonic loss. Using this concept, we developed a fiber optic humidity sensor based on SPR. It can measure the ambient RH over a dynamic range from 10% to 85% with an accuracy of 3%. (C) 2017 Optical Society of America

引用

页码：15313 / 15321

页数：9

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