Sensitivity enhancement for a multimode fiber sensor with an axisymmetric metal grating layer

Youqiao Ma, Gerald Farrell, Yuliya Semenova, Hau Ping Chan, Hongzhou Zhang, Qiang Wu

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

This paper proposes a novel design for a surface plasmon resonance (SPR) fiber sensor with an axisymmetric sub-wavelength metal grating layer. The relationship between the sensor performance (the sensitivity S and the quality factor Q of the SPR dip) and the characteristic parameters are investigated. Numerical simulation results show that the proposed sensor can achieve a maximum sensitivity of 13,000 nm/RIU (refractive index unit) for a refractive index range from 1.3 to 1.4.
Original languageEnglish
Pages (from-to)69-74
JournalPhotonics and Nanostructures - Fundamentals and Applications
Volume12
Issue number1
DOIs
Publication statusPublished - 2014

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