DOI: 10.17586/1023-5086-2018-85-01-45-51

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

Kaur, Gurpreet, Kaler, Rajinder Singh, Kwatra, Naveen

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Gurpreet Kaur, R. S. Kaler, Naveen Kwatra Experiment on highly sensitive fiber Bragg grating optical sensor to monitor strain and corrosion in civil structures (Эксперимент по использованию высокочувствительного оптического волоконного датчика на основе брэгговской решетки для мониторинга деформаций и степени коррозии в конструкционных элементах) [на англ. яз.] // Оптический журнал. 2018. Т. 85. № 1. С. 45–51. http://doi.org/10.17586/1023-5086-2018-85-01-45-51

Gurpreet Kaur, R. S. Kaler, Naveen Kwatra Experiment on highly sensitive fiber Bragg grating optical sensor to monitor strain and corrosion in civil structures (Эксперимент по использованию высокочувствительного оптического волоконного датчика на основе брэгговской решетки для мониторинга деформаций и степени коррозии в конструкционных элементах) [in English] // Opticheskii Zhurnal. 2018. V. 85. № 1. P. 45–51. http://doi.org/10.17586/1023-5086-2018-85-01-45-51

For citation (Journal of Optical Technology):

Gurpreet Kaur, R. S. Kaler, and Naveen Kwatra, "Experiment on a highly sensitive fiber Bragg grating optical sensor to monitor strain and corrosion in civil structures," Journal of Optical Technology. 85(1), 36-41 (2018). https://doi.org/10.1364/JOT.85.000036

Abstract:

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

Acknowledgements:

This work was supported by a grant from Rajiv Gandhi national fellowship under University Grants Commission, Grant No. F117.1/201415/RGNF2014 15SCPUN61657/ (SAIII/ Website).

OCIS codes: 060.3735, 230.0230, 140.0140

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