Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7093
Title: Compressible fiber optic micro-Fabry-Pérot cavity with ultra-high pressure sensitivity
Authors: Wang, Y
Wang, D 
Wang, C
Hu, T
Keywords: Fiber optics sensors
Instrumentation
Measurement
Metrology
Fabry-Perot
Issue Date: 17-Jun-2013
Publisher: Optical Society of America
Source: Optics express, 17 June 2013, v. 21, no. 12, p. 14084-14089 How to cite?
Journal: Optics express 
Abstract: We propose and demonstrate a pressure sensor based on a micro air bubble at the end facet of a single mode fiber fusion spliced with a silica tube. When immersed into the liquid such as water, the air bubble essentially acts as a Fabry-Pérot interferometer cavity. Such a cavity can be compressed by the environmental pressure and the sensitivity obtained is >1000 nm/kPa, at least one order of magnitude higher than that of the diaphragm-based fiber-tip sensors reported so far. The compressible Fabry-Pérot interferometer cavity developed is expected to have potential applications in highly sensitive pressure and/or acoustic sensing.
URI: http://hdl.handle.net/10397/7093
ISSN: 1094-4087 (eISSN)
DOI: 10.1364/OE.21.014084
Rights: ©2013 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-21-12-14084. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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