Compensated Intensity-Modulated Optical Fibre Bending Sensor based on Tilt Angle Loss Measurement

Mohd Anwar, Zawawi and S. O., Keeffe and E., Lewis (2014) Compensated Intensity-Modulated Optical Fibre Bending Sensor based on Tilt Angle Loss Measurement. In: 2014 IEEE SENSORS , 2-5 Nov. 2014 , Valencia. pp. 370-373..

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Abstract

This paper presents the implementation of an extrinsic optical fibre sensor based on intensity modulation technique aimed for continuous bending assessment of human spine movement. The sensor under investigation is non-invasive and capable of providing a continuous measurement of the bending angle in both flexion and extension directions of the human spine. The bending assessment is determined based on the measurement of the tilt angle loss between an input fibre and dual output fibres. Additionally, a reference fibre is also integrated into the sensor configuration by means of the divided beam system to compensate for any output variation resulting from temperature changes.

Item Type:	Conference or Workshop Item (Paper)
Uncontrolled Keywords:	optical fibre bending sensor, divided-beam referencing system, intensity modulation
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division:	Faculty of Electrical & Electronic Engineering
Depositing User:	Mrs. Neng Sury Sulaiman
Date Deposited:	13 Jul 2015 02:54
Last Modified:	19 Mar 2018 05:40
URI:	http://umpir.ump.edu.my/id/eprint/8362
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