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Title: Fabrication of a compact reflective long-period grating sensor with a cladding-mode-selective fiber end-face mirror
Authors: Jiang, Meng
Zhang, A. Ping
Wang, Yang-Chun
Tam, Hwa-yaw
He, Sailing
Subjects: Alumina
Cladding (coating)
Optical fiber fabrication
Optical fibers
Refractive index
Issue Date: 28-Sep-2009
Publisher: Optical Society of America
Source: Optics express, 28 Sept. 2009, v. 17, no. 20, p. 17976-17982.
Abstract: A long-period grating (LPG) based compact optical fiber sensor working in reflection mode is demonstrated. A technique to make a mirror on the cladding region of a fiber end-face to reflect only the cladding modes was realized by growing a polymeric microtip on the core region of the fiber end-face, by photopolymerization, followed by coating the fiber end-face with an aluminum film. Using the cladding-mode-selective fiber end-face mirror, the transmission spectrum of the LPG was “inverted” and reflected. Preliminary results of using the sensor to measure the refractive index of glycerol/water solutions were successfully demonstrated.
Rights: © 2009 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: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Type: Journal/Magazine Article
DOI: 10.1364/OE.17.017976
ISSN: 1094-4087
Appears in Collections:EE Journal/Magazine Articles

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