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

Pengfei Wang, Yuliya Semenova, Yong Li, Qiang Wu, Gerald Farrell

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)
3 Downloads (Pure)

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.
Original languageEnglish
Pages (from-to)67-69
JournalPhotonics Letters of Poland
Volume2
Issue number2
Publication statusPublished - Jun 2010

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