<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper presents the development of an extrinsic optical fibre sensor for continuous measurement of the human spine bending movement based on intensity modulation technique. Using the investigated sensor configuration, the bending angle was measurable in both flexion and extension direction with a maximum range of motion of 18° and -10°, respectively. From the output drift assessment of the sensor, bending accuracy of up to 0.5° was achievable, thus making it suitable for clinical environment application. A divided-beam referencing technique was also implemented in the sensor configuration to compensate for the input power fluctuation and temperature variation.</p>
</abstract>

This paper presents the development of an extrinsic optical fibre sensor for continuous measurement of the human spine bending movement based on intensity modulation technique. Using the investigated sensor configuration, the bending angle was measurable in both flexion and extension direction with a maximum range of motion of 18° and -10°, respectively. From the output drift assessment of the sensor, bending accuracy of up to 0.5° was achievable, thus making it suitable for clinical environment application. A divided-beam referencing technique was also implemented in the sensor configuration to compensate for the input power fluctuation and temperature variation.

Physiological bending sensor based on tilt angle loss measurement using dual optical fibre

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

This paper presents the development of an extrinsic optical fibre sensor for continuous measurement of the human spine bending movement based on intensity...

Physiological bending sensor based on tilt angle loss measurement using dual optical fibre

Published Online: Feb 15, 2020

Page range: 1 - 4

DOI: https://doi.org/10.21307/ijssis-2019-079

Keywords
bending assessment, divided-beam referencing, intensity modulation, optical fibre sensor

© 2019 Authors., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Physiological bending sensor based on tilt angle loss measurement using dual optical fibre

Published Online: Feb 15, 2020

Page range: 1 - 4

DOI: https://doi.org/10.21307/ijssis-2019-079

Keywordsbending assessment, divided-beam referencing, intensity modulation, optical fibre sensor

© 2019 Authors., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
bending assessment, divided-beam referencing, intensity modulation, optical fibre sensor