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Proceedings Paper

Modified transfer matrix method model for a fiber Bragg grating strain sensor in polarization maintaining single mode optical fiber
Author(s): Joel Quintana; Raymond Rumpf; Virgilio Gonzalez
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Paper Abstract

Fiber-Bragg Gratings (FBG) for Structural Health Monitoring (SHM) have been studied extensively as they offer electrically passive operation, EMI immunity, high sensitivity, and multiple multiplexing schemes, as compared to conventional electricity based strain sensors. FBG sensors written in Polarization Maintaining (PM) optical fiber offer an additional dimension of strain measurement simplifying sensor implementation within a structure. This simplification however, adds complexity to the detection of the sensor’s optical response to its corresponding applied strain. We propose a modified Transfer Matrix Method model to simulate a fiber Bragg grating (FBG) in a polarization maintaining optical fiber. We study the effects of the reflected Bragg wavelength to the changes in shape of the optical fiber core waveguide and compare the results to the existing literature.

Paper Details

Date Published: 8 March 2014
PDF: 8 pages
Proc. SPIE 8988, Integrated Optics: Devices, Materials, and Technologies XVIII, 89881B (8 March 2014); doi: 10.1117/12.2040674
Show Author Affiliations
Joel Quintana, The Univ. of Texas at El Paso (United States)
Raymond Rumpf, The Univ. of Texas at El Paso (United States)
Virgilio Gonzalez, The Univ. of Texas at El Paso (United States)

Published in SPIE Proceedings Vol. 8988:
Integrated Optics: Devices, Materials, and Technologies XVIII
Jean Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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