DocumentCode
989651
Title
Simple fibre-optic sensor for detecting water penetration into optical fibre cables
Author
de Jongh, A.G.W.M. ; Diemeer, M.B.J. ; Trommel, E.S.d. ; Breuls, A.H.E.
Author_Institution
PTT Dr. Neher Laboratories, Leidschendam, Netherlands
Volume
19
Issue
23
fYear
1983
Firstpage
980
Lastpage
981
Abstract
In this sensor concept a graded-index fibre is pressed on a periodic structure by a material that swells in water, causing microbending loss. Optimum values of the wavelength of the periodic structure are calculated and confirmed by measurements. The sensor can easily be integrated in an optical fibre cable; water penetration can then be localised by OTDR.
Keywords
fibre optics; leak detection; nonelectric sensing devices; optical fibres; optical variables measurement; time-domain reflectometry; OTDR; fibre-optic sensor; graded-index fibre; microbending loss; optical fibre cables; optical time domain reflectometry; periodic structure; water penetration; wavelength;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19830666
Filename
4248209
Link To Document