DocumentCode
841812
Title
Differential measurement technique for optical fibre sensors
Author
MacDonald, R.I.
Author_Institution
Telecommun. Res. Labs., Edmonton, Alta., Canada
Volume
27
Issue
23
fYear
1991
Firstpage
2194
Lastpage
2196
Abstract
A differential measurement is demonstrated for intensity-modulation fibre sensors that achieves high rejection of interference from loss in the fibre downlead. The sensor is placed in a fibre resonator and interrogated at two subcarrier frequencies.
Keywords
fibre optic sensors; Q-modulation; differential measurement; high rejection of interference; intensity-modulation fibre sensors; intrinsically safe sensors; optical fibre sensors; subcarrier frequencies;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19911357
Filename
104119
Link To Document