Compact three segmented multimode fibre modal interferometer for high sensitivity refractive-index measurement

Y. Jung; Soan Kim; D. Lee; K. Oh

doi:10.1088/0957-0233/17/5/S32

Compact three segmented multimode fibre modal interferometer for high sensitivity refractive-index measurement

Y. Jung, Soan Kim, D. Lee, K. Oh

Department of Physics

Research output: Contribution to journal › Article › peer-review

104 Citations (Scopus)

Abstract

We experimentally demonstrate a new compact surrounding refractive-index sensor using a MMF-CSF-MMF (MCM) structure. The evanescent waves in the coreless silica fibre (CSF) region can directly interact with the surrounding medium. Due to its distinctive resonant spectral feature, the MCM sensor showed a high sensitivity of 4.37 × 10^-4 for a refractive index range of 1.30 to 1.44, suggesting that the proposed device may be suitable for a wide range of biomedical and chemical sensor applications.

Original language	English
Pages (from-to)	1129-1133
Number of pages	5
Journal	Measurement Science and Technology
Volume	17
Issue number	5
DOIs	https://doi.org/10.1088/0957-0233/17/5/S32
Publication status	Published - 2006 May 1

All Science Journal Classification (ASJC) codes

Instrumentation
Engineering (miscellaneous)
Applied Mathematics

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AB - We experimentally demonstrate a new compact surrounding refractive-index sensor using a MMF-CSF-MMF (MCM) structure. The evanescent waves in the coreless silica fibre (CSF) region can directly interact with the surrounding medium. Due to its distinctive resonant spectral feature, the MCM sensor showed a high sensitivity of 4.37 × 10-4 for a refractive index range of 1.30 to 1.44, suggesting that the proposed device may be suitable for a wide range of biomedical and chemical sensor applications.

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Compact three segmented multimode fibre modal interferometer for high sensitivity refractive-index measurement

Abstract

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