Title :
Intensity-based fibre-optic sensing system using contrast modulation of subcarrier interference pattern
Author :
Adamovsky, G. ; Maitland, D.J.
Author_Institution :
NASA Lewis Res. Center, Cleveland, OH, USA
fDate :
3/2/1989 12:00:00 AM
Abstract :
An intensity-based fibre-optic sensor using modulation of the contrast of an interference pattern has been demonstrated. As an example the intensity sensor was chosen to be a displacement sensor. The system has shown high sensitivity and stability.
Keywords :
fibre optic sensors; light interference; optical modulation; contrast modulation; displacement sensor; fibre-optic sensing system; intensity-based fibre-optic sensor; subcarrier interference pattern;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890226
