Water wave gauge based on singlemode-multimode-singlemode fiber structure

Chew, S.P. and Zulkifli, Ahmad Zarif and Masnan, S.E.F. and Akib, Shatirah Mohamed and Harun, Sulaiman Wadi and Adikan, Faisal Rafiq Mahamd and Ahmad, Harith (2017) Water wave gauge based on singlemode-multimode-singlemode fiber structure. Optik, 144. pp. 232-239. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2017.06.099.

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Official URL: https://doi.org/10.1016/j.ijleo.2017.06.099


A simple wave gauge that uses a single-mode-multimode-single-mode (SMS) fiber structure is investigated in this paper. The SMS interferometer is packaged with Cr-39 plastic polymer plates in order to gauge water waves in the laboratory flume. The working principle of the sensor is based on the linear uniform fiber bending mechanism, which, because of the wave frequency, changes the light interference pattern and output power. In the experiment, the intermediate depth wave of 0.18 < d/L < 0.25 was generated in the flume. The average power corresponded to the SMS at wave celerities ranging from 0.43–0.57 m/s, exhibiting almost perfect periodic manner. The results of the frequency spectrum showed that the proposed SMS fiber structure could be exploited in measuring water wave celerity and wavelength, yielding linear sensitivities of 2.0304 Hz/(m/s) and 1.5613 Hz/ m, respectively.

Item Type: Article
Funders: British Council and Malaysian Government: Newton- Ungku Omar Fund
Uncontrolled Keywords: Water celerity; Laboratory flume; Wave gauge; Singlemode-multimode-singlemode fiber structure (SMS)
Subjects: Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Nov 2018 04:45
Last Modified: 23 Nov 2018 04:45
URI: http://eprints.um.edu.my/id/eprint/19721

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