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A temperature compensated optical fibre bending sensor for physiological measurement

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conference contribution
posted on 2020-08-21, 09:44 authored by Mohd Anwar Zawawi, Sinéad O'Keeffe, ELFED LEWISELFED LEWIS
The light attenuation measurement of a plastic optical fibre sensor based on a referenced intensity modulation technique with respect to different input voltage level and room temperature has been investigated. The results show that light attenuation at the sensor output and reference output are dependent on the source (LED) drive current and temperature, but the output ratio is small and tolerable for this application. This is significant for bending monitoring applications using optical fibre sensor based on intensity modulation, providing a more reliable technique based on power and temperature compensation.

History

Publication

Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors;

Publisher

International Society for Optics and Photonics

Note

peer-reviewed

Rights

Copyright 2014 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Language

English

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