Steel beam compressive strain sensor using single-mode-multimode-single-mode fiber structure

Masnan, S.E.F., Zulkifli, A.Z., Azmi, N.M., Akib, S.M. ORCID: 0000-0002-6538-0716, Razak, H.A., Arof, H. and Harun, S.W., 2016. Steel beam compressive strain sensor using single-mode-multimode-single-mode fiber structure. IEEE Photonics Journal, 8 (1): 6801006. ISSN 1943-0655

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Abstract

A steel beam compressive strain sensor using single-mode-multimode-single-mode (SMS) fiber structure is demonstrated. Parallel measurements are made using an electrical resistance (ER) strain gauge along with the SMS to sense the compressive strain on the steel beam. The ER strain gauge result shows that the steel beam has an elastic limit at a compressive load of 42 kN, as predicted via calculation. On the other hand, the SMS sensor is capable to detect the elastic limit by its significant increase in the slope of the peak center wavelength from compressive strain of 0.000261-0.001986 mm/mm. Moreover, the SMS sensor exhibits compressive strain sensitivity of -1411.2 nm/(mm/mm) from the initial load until it reaches the beam elastic limit.

Item Type: Journal article
Publication Title: IEEE Photonics Journal
Creators: Masnan, S.E.F., Zulkifli, A.Z., Azmi, N.M., Akib, S.M., Razak, H.A., Arof, H. and Harun, S.W.
Publisher: Institute of Electrical and Electronics Engineers
Date: 3 February 2016
Volume: 8
Number: 1
ISSN: 1943-0655
Identifiers:
NumberType
10.1109/jphot.2016.2523255DOI
Divisions: Schools > School of Architecture, Design and the Built Environment
Depositing User: Jonathan Gallacher
Date Added: 21 Aug 2019 15:21
Last Modified: 21 Aug 2019 15:21
URI: http://irep.ntu.ac.uk/id/eprint/37420

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