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Noncontact optical displacement sensor using an adiabatic u-shaped tapered fiber

Ab Razak, Mohd Zulhakimi and Reduan, Siti Aisyah and Sharbirin, Anir Syazwan and Jamaludin, Norsyazriza and Zulkifli, Mohd Zamani and Ahmad, Harith (2015) Noncontact optical displacement sensor using an adiabatic u-shaped tapered fiber. IEEE Sensors Journal, 15 (10). pp. 5388-5392. ISSN 1530-437X E-ISSN 1558-1748

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A simple noncontact displacement microfiber sensor using adiabatic U-shaped tapered fiber is proposed and demonstrated. The microfiber is fabricated using a systematic fiber flame brushing technique, where the fiber waist diameter is proportional to the duration of the heating cycles. The sensor is capable of measuring a wide displacement distance up to 12 mm. A sensitivity of 0.2 dB/mm is recorded at a minimum tapered diameter of 8 µm. In comparison with the previous works of using Fresnel reflection method, the results of our proposed method show significant improvement in sensing range, which is indicated by distinct inclination of the loss slope. The microfiber probe shows a promise for a sensitive sensing at low development cost.

Item Type: Article (Journal)
Additional Information: 8870/84063
Uncontrolled Keywords: Microfiber, displacement sensor
Subjects: Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science > Department of Physics
Kulliyyah of Science
Depositing User: Dr M Z Zulkifli
Date Deposited: 05 Nov 2020 12:53
Last Modified: 05 Nov 2020 12:53
URI: http://irep.iium.edu.my/id/eprint/84063

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