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Type: Journal article
Title: Simultaneous measurement of temperature and strain using a Lyot fiber filter incorporated with a fiber Bragg grating in a linear configuration
Author: Nguyen, L.V.
Hwang, D.
Moon, D.S.
Chung, Y.
Citation: Measurement Science and Technology, 2009; 20(3):034006-1-034006-5
Publisher: IOP Publishing
Issue Date: 2009
ISSN: 0957-0233
Statement of
L V Nguyen, D Hwang, D S Moon, and Y Chung
Abstract: We report a fiber sensor capable of simultaneously measuring temperature and strain. A fiber Bragg grating (FBG) was incorporated in a Lyot fiber filter (LFF) by fusion splicing an FBG and a section of high birefringence fiber (PM fiber), which is an elliptical core side-hole fiber, and then placing them between two polarizers. Measured in the transmission mode, the fringe resulting from the LFF and the resonance wavelength dip of the FBG have different responses when a variation of temperature or strain is applied. The proposed device can therefore measure both strain and temperature simultaneously.
Keywords: Lyot fiber filter
fiber Bragg grating
fiber sensor
simultaneous measurement of temperature and strain
Rights: © 2009 IOP Publishing Ltd.
DOI: 10.1088/0957-0233/20/3/034006
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