Simple design of optical fiber displacement sensor using a multimode fiber coupler

Yasin, Moh and Harun, Sulaiman Wadi and Samian, - and Kusminarto, - and Ahmad, Harith (2009) Simple design of optical fiber displacement sensor using a multimode fiber coupler. Laser Physics, 19 (7). pp. 1446-1449. ISSN 1054-660X, DOI

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A simple design sensor is demonstrated using a fabricated multimode plastic fiber coupler in con-junction with reflective intensity modulation technique. The performances of this sensor are investigated for different light sources. This sensor uses only one fiber for sending and receiving the light and therefore only the back slope exists. The sensor shows the highest performance with the use of yellow light source, which has the highest intensity and the smallest beam divergence. The sensitivity, linear range, resolution and dynamic range of the sensor are obtained at 0.0001 mV/μm, 1500 μm, 70 μm, and 5.0 mm, respectively. The simplicity of the design, high degree of sensitivity, dynamic range and the low cost of the fabrication make it suitable for real field applications.

Item Type: Article
Uncontrolled Keywords: Beam divergence; Degree of sensitivity; Dynamic range; Field application; Linear range; Low costs; Multimodes; Optical fiber displacement; Plastic fibers; Reflective intensity; Yellow light
Subjects: Q Science > QC Physics
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: 28 Nov 2018 07:47
Last Modified: 27 Aug 2019 06:45

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