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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; in revised form: 5 June 2012 / Accepted: 30 July 2012 / Published: 2 August 2012
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.
Keywords: in-line fiber-optic sensor; Fabry-Perot interferometer; core-cladding-mode interferometer; Mach-Zehnder Interferometer; Michelson interferometer
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Cite This Article
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.
Zhu T, Wu D, Liu M, Duan D-W. In-Line Fiber Optic Interferometric Sensors in Single-Mode Fibers. Sensors. 2012; 12(8):10430-10449.
Zhu, Tao; Wu, Di; Liu, Min; Duan, De-Wen. 2012. "In-Line Fiber Optic Interferometric Sensors in Single-Mode Fibers." Sensors 12, no. 8: 10430-10449.