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Sensors 2014, 14(9), 16808-16815; doi:10.3390/s140916808

Intrinsic Fabry-Perot Interferometeric Sensor Based on Microfiber Created by Chemical Etching

School of Physics, Northwest University, 229 Taibai Road, Xi'an 710069, China
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Received: 17 July 2014 / Revised: 1 September 2014 / Accepted: 2 September 2014 / Published: 10 September 2014
(This article belongs to the Section Physical Sensors)
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Abstract

An intrinsic Fabry-Perot interferometeric sensor based on a microfiber has been demonstrated. The micro-size suspended core is created by chemical etching a photonics crystal fiber, of which the cladding has a micrometer-spaced, hexagonal array of air holes. The sensing head is fabricated by chemical etching a short section of photonics crystal fiber spliced with a single mode fiber. The temperature sensing characteristic of the interferometer has also been demonstrated and a sensitivity 14.3 pm/°C is obtained. View Full-Text
Keywords: optical fiber devices; Fabry-Perot interferometers; temperature sensing optical fiber devices; Fabry-Perot interferometers; temperature sensing
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Wang, R.; Qiao, X. Intrinsic Fabry-Perot Interferometeric Sensor Based on Microfiber Created by Chemical Etching. Sensors 2014, 14, 16808-16815.

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