Experimental investigation of a surface plasmon-based integrated-optic humidity sensor

被引：56

作者：

Weiss, MN ^{[1
]}

Srivastava, R ^{[1
]}

Groger, H ^{[1
]}

机构：

[1] AMER RES CORP VIRGINIA,RADFORD,VA 24143

来源：

ELECTRONICS LETTERS | 1996年 / 32卷 / 09期

关键词：

humidity sensors; integrated optics; optical sensors;

D O I：

10.1049/el:19960520

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A humidity sensor has been fabricated by coating a surface plasmon waveguide with a thin layer of Nafion fluoropolymer. The refractive index of Nafion varies as a function of humidify, causing a shift iii the plasmon resonance wavelength. The present device is able to measure relative humidity over a range of at least 20% to 50%, while exhibiting good linearity. Furthermore, humidity-induced index changes to Nafion occur rapidly and appear to be fully reversible.

引用

页码：842 / 843

页数：2

共 8 条

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