Abstract

This paper presents a study on the application of plastic optical fibre for spine bending monitoring based on an intensity modulation. The bending angle is measured as the angle between the emitting and receiving fibres is changed. The measured light attenuation is compared with a theoretical evaluation and the differences between these values are discussed. It was found that the light attenuation for the light intensity agreed well (margin of error < 15%) with the theoretical value for the range between 180° (representing no bend) and 200° and it was significantly increased for the bending angle beyond that value due to the effect of fibre gap increment which resulted in a less reliable experimental estimation.

Details

Title
Plastic optical fibre sensor for spine bending monitoring
Author
Zawawi, M A 1 ; O'Keeffe, S 2 ; Lewis, E 2 

 Optical Fibre Sensors Research Centre, Department of Electronic and Computer Engineering, University of Limerick, Ireland; Faculty of Electrical and Electronics Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia 
 Optical Fibre Sensors Research Centre, Department of Electronic and Computer Engineering, University of Limerick, Ireland 
Publication year
2013
Publication date
Jun 2013
Publisher
IOP Publishing
ISSN
17426588
e-ISSN
17426596
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2577527809
Copyright
© 2013. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.