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Authors

Zawawi, MA,O'Keeffe, S,Lewis, E,LopezHiguera, JM,Jones, J,LopezAmo, M,Santos, JL

Conference Title

23RD INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS

Title of Paper

A Temperature Compensated Optical Fibre Bending Sensor for Physiological Measurement

Year

2014

Month

January

Status

Published

Peer Reviewed

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()

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Optical fibre bending sensor divided beam intensity referencing temperature compensation CURVATURE SPINE GAIT

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Abstract

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.

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DOI Link

10.1117/12.2058933

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