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Optical Engineering

On the optimization of fiber Bragg grating optical sensor using genetic algorithm to monitor the strain of civil structure with high sensitivity
Author(s): Gurpreet Kaur; Rajinder Singh Kaler; Naveen Kwatra
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Paper Abstract

The effect of strain on civil structures is experimentally studied using fiber Bragg grating (FBG). The genetic algorithm is implemented to optimize the multiple parameters (Poisson’s ratio, photoelastic coefficient P11, and photoelastic coefficient P12) of the proposed sensor. The optimized results helped in increasing the sensitivity in terms of wavelength shift. It is observed that the proposed FBG provides maximum wavelength shift of 38.16 nm with Poisson’s ratio of 1.94, photoelastic coefficient P11 of 1.994, and photoelastic coefficient P12 of 1.8103.

Paper Details

Date Published: 12 August 2016
PDF: 6 pages
Opt. Eng. 55(8) 087103 doi: 10.1117/1.OE.55.8.087103
Published in: Optical Engineering Volume 55, Issue 8
Show Author Affiliations
Gurpreet Kaur, Thapar Univ. (India)
Rajinder Singh Kaler, Thapar Univ. (India)
Naveen Kwatra, Thapar Univ. (India)


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