Optical fiber humidity sensor based on surface plasmon resonance in the infra-red region

被引：20

作者：

Hernaez, M. ^{[1
]}

Zamarreno, C. R. ^{[1
]}

Matias, I. R. ^{[1
]}

Arregui, F. J. ^{[1
]}

机构：

[1] Publ Univ Navarra UPNA, Sensor Res Lab, Dept Elect & Elect Engn, Pamplona, NA, Spain

来源：

SENSORS & THEIR APPLICATIONS XV | 2009年 / 178卷

关键词：

Humidity sensor; Indium tin oxide; Layer by Layer; Plasmon resonance; Optical fiber; LIGHT; FABRICATION; FILMS;

D O I：

10.1088/1742-6596/178/1/012019

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：

Here, the fabrication and characterization of a novel optical fiber humidity sensor based on surface plasmon resonance (SPR) in the infra-red region is presented. Firstly, an indium tin oxide (ITO) coating is deposited onto a 200 mu m core diameter optical fiber causing the shift of the SPR wavelength to the infra-red region. Then, the LbL method is used to deposit a polymeric coating onto the ITO layer. The variations in the external humidity originated changes in the thickness and refractive index of the polymeric coating and hence in the resonance.

引用

页数：5

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