A macrobending singlemode fiber refractive index sensor for low refractive index liquids

Wang, Pengfei, Semenova, Yuliya, Li, Yong, Wu, Qiang and Farrell, Gerald (2010) A macrobending singlemode fiber refractive index sensor for low refractive index liquids. Photonics Letters of Poland, 2 (2). pp. 67-69. ISSN 2080-2242

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Abstract

An all-fiber refractive index sensor with a simple configuration is proposed and investigated. The proposed fiber refractometer consists of a full-loop structure of bare high-bend loss singlemode fiber-1060XP, employing the well-known whispering gallery mode (WGM) effect induced by the evanescent wave excitation to measure the refractive index of an external medium. A competitive sensitivity is achieved (average 725.76nm/RIU at a bend diameter of 19.3mm) compared with other fiber-optic sensors, plus benefits resulting from simplicity, low cost and ease of fabrication.

Item Type: Article
Subjects: F300 Physics
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 26 May 2015 15:26
Last Modified: 12 Feb 2016 05:48
URI: http://nrl.northumbria.ac.uk/id/eprint/22591

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