01.12.2015 , (Web Science, Scopus) (. Vak.ed.gov.ru/87)
(01.2018) :


© 2018 .       Gurpreet Kaur, R. S. Kaler, Naveen Kwatra

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Experiment on highly sensitive fiber Bragg grating optical sensor to monitor strain and corrosion in civil structures

© 2018    Gurpreet Kaur*, R. S. Kaler*, and Naveen Kwatra**

*   Department of Electronics and Communication Engineering, Thapar University, Patiala, India, 147002

** Department of Civil Engineering, Thapar University, Patiala, India, 147002

E-mail: gksumman@gmail.com

Submitted 26.04.2016

An efficient and highly sensitive fiber Bragg grating optical sensor is demonstrated to detect the strain and corrosion in civil structures. The sensitivity of fiber Bragg grating optical sensor is enhanced after examining different grating shapes, grating length and refractive indexes of core. The experimental results shows that the proposed uniform grated fiber Bragg grating with 1.46 refractive index and 50000 µm of grating length provides better sensitivity in the term of wavelength shift (approximately 3 nm). The theoretical results are also compared with the experimental results for validation and it is observed that the proposed sensor can monitor strain/corrosion with high sensitivity and speed.

Keywords: fiber Bragg grating, sensitivity, corrosion, strain.

OCIS codes: 060.3735, 230.0230, and 140.0140



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