Title :
Strain sensing based on coherent Rayleigh scattering in an optical fibre
Author :
Posey, R., Jr. ; Johnson, G.A. ; Vohra, S.T.
Author_Institution :
Div. of Opt. Sci., Naval Res. Lab., Washington, DC, USA
fDate :
9/28/2000 12:00:00 AM
Abstract :
A fibre optic strain sensor based on Rayleigh backscatter using a time division multiplexing scheme with an optical pulse is presented. The sensor has a gauge length of <0.5 m and a strain sensitivity of <1 nε/√Hz at 2 kHz
Keywords :
Rayleigh scattering; fibre optic sensors; strain sensors; time division multiplexing; 2 kHz; Rayleigh backscatter; coherent Rayleigh scattering; fibre optic strain sensor; gauge length; optical fibre; optical pulse; strain sensitivity; time division multiplexing scheme;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20001200
