Enhanced bundle fiber displacement sensor based on concave mirror

Yang, Hang Zhou and Lim, Kok Sing and Harun, Sulaiman Wadi and Dimyati, Kaharudin and Ahmad, Harith (2010) Enhanced bundle fiber displacement sensor based on concave mirror. Sensors and Actuators A: Physical, 162 (1). pp. 8-12. ISSN 0924-4247

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Official URL: https://doi.org/10.1016/j.sna.2010.05.029


Fiber optic displacement sensor (FODS) is proposed using a concave mirror for enhanced flexibility in sensitivity selection and linear range. The effect of focal length and diameter of the concave mirror on the displacement response is investigated. The experimental and theoretical results show that the second dip of the displacement response is located at distance equivalent to twice of focal length. For the third slopes and above, the sensitivity and the linear range of the sensor are strongly dependent on the focal length and diameter of the mirror. A good agreement between the theory and experimental results are shown. The measurement range as far as 26 mm can be achieved by using a 12 mm focal length concave mirror. (C) 2010 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Fiber optics displacement sensors; Concave mirror; Fiber optic sensors
Subjects: Q Science > Q Science (General)
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Mr Faizal 2
Date Deposited: 06 Apr 2015 01:09
Last Modified: 02 Jan 2019 03:07
URI: http://eprints.um.edu.my/id/eprint/13204

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