A High Sensitivity Index Sensor Based on No-Core Fibers

Guei Ru Lin; Ming Yue Fu; Hao Jan Sheng; Hai Tao Sun; Wen Fung Liu

doi:10.4028/www.scientific.net/AMM.284-287.1986

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 284-287A High Sensitivity Index Sensor Based on No-Core...

A High Sensitivity Index Sensor Based on No-Core Fibers

Abstract:

A simple, small-size, compact and high-sensitivity refractive-index sensor composed of a short no-core fiber (NCF) about 20 mm in length sandwiched between two pieces of single-mode fibers is proposed in this paper. The index measurement is experimentally demonstrated with the sensitivity of 7792.85 nm/ RIU in the range from 1.440 to 1.454 and 227.14 nm/ RIU in the range from 1.300 to 1.430. This sensing mechanism is based on the induced multi-mode interfering wavelength shift in the no-core fiber when the reflective index of the fiber outside is changed.

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Periodical:

Applied Mechanics and Materials (Volumes 284-287)

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1986-1990

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.284-287.1986

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Online since:

January 2013

Authors:

Guei Ru Lin, Ming Yue Fu, Hao Jan Sheng, Hai Tao Sun, Wen Fung Liu

Keywords:

Hetero-Core Structured Fiber, Multimode-Interference (MMI), No Core Fiber (NCF)

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