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Sensors 2012, 12(8), 10430-10449; doi:10.3390/s120810430

In-Line Fiber Optic Interferometric Sensors in Single-Mode Fibers

Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China
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Received: 14 May 2012 / Revised: 5 June 2012 / Accepted: 30 July 2012 / Published: 2 August 2012
(This article belongs to the Special Issue Ultra-Small Sensor Systems and Components)
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Abstract

In-line fiber optic interferometers have attracted intensive attention for their potential sensing applications in refractive index, temperature, pressure and strain measurement, etc. Typical in-line fiber-optic interferometers are of two types: Fabry-Perot interferometers and core-cladding-mode interferometers. It’s known that the in-line fiber optic interferometers based on single-mode fibers can exhibit compact structures, easy fabrication and low cost. In this paper, we review two kinds of typical in-line fiber optic interferometers formed in single-mode fibers fabricated with different post-processing techniques. Also, some recently reported specific technologies for fabricating such fiber optic interferometers are presented. View Full-Text
Keywords: in-line fiber-optic sensor; Fabry-Perot interferometer; core-cladding-mode interferometer; Mach-Zehnder Interferometer; Michelson interferometer in-line fiber-optic sensor; Fabry-Perot interferometer; core-cladding-mode interferometer; Mach-Zehnder Interferometer; Michelson interferometer
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Zhu, T.; Wu, D.; Liu, M.; Duan, D.-W. In-Line Fiber Optic Interferometric Sensors in Single-Mode Fibers. Sensors 2012, 12, 10430-10449.

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