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Recent Developments in Micro-Structured Fiber Optic Sensors

Department of Physics, University of Ottawa, 25 Templeton Street, Ottawa, ON K1N 6N5, Canada
National Research Council Canada, 100 Sussex Drive, Ottawa, ON K1A 0R6, Canada
Author to whom correspondence should be addressed.
Academic Editor: Torsten Frosch
Fibers 2017, 5(1), 3;
Received: 11 August 2016 / Revised: 12 October 2016 / Accepted: 25 October 2016 / Published: 10 January 2017
(This article belongs to the Special Issue Optical Fiber Sensors)
Recent developments in fiber-optic sensing have involved booming research in the design and manufacturing of novel micro-structured optical fiber devices. From the conventional tapered fiber architectures to the novel micro-machined devices by advanced laser systems, thousands of micro-structured fiber-optic sensors have been proposed and fabricated for applications in measuring temperature, strain, refractive index (RI), electric current, displacement, bending, acceleration, force, rotation, acoustic, and magnetic field. The renowned and unparalleled merits of sensors-based micro-machined optical fibers including small footprint, light weight, immunity to electromagnetic interferences, durability to harsh environment, capability of remote control, and flexibility of directly embedding into the structured system have placed them in highly demand for practical use in diverse industries. With the rapid advancement in micro-technology, micro-structured fiber sensors have benefitted from the trends of possessing high performance, versatilities and spatial miniaturization. Here, we comprehensively review the recent progress in the micro-structured fiber-optic sensors with a variety of architectures regarding their fabrications, waveguide properties and sensing applications. View Full-Text
Keywords: optical fiber; fiber-optic sensors; micro-structured optical fiber; optical microfiber; micro-machined optical fiber optical fiber; fiber-optic sensors; micro-structured optical fiber; optical microfiber; micro-machined optical fiber
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Xu, Y.; Lu, P.; Chen, L.; Bao, X. Recent Developments in Micro-Structured Fiber Optic Sensors. Fibers 2017, 5, 3.

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