Title :
Low-cost high-resolution time-domain reflectometry for monitoring the range of reflective points
Author :
Geiger, Harald ; Dakin, John P.
Author_Institution :
Opt. Fibre Group, Southampton Univ., UK
fDate :
7/1/1995 12:00:00 AM
Abstract :
A new OTDR technique to interrogate the range of reflective markers in an optical fiber (or an electrical cable) is presented. The technique has been developed to monitor strain in sections of a fiber over gauge lengths of several meters. Signal-to-noise analysis shows that current OTDR systems do not fully exploit the spatial resolution theoretically available. The available resolution is explored with a new OTDR technique
Keywords :
laser ranging; optical fibre testing; optical fibres; optical time-domain reflectometry; strain measurement; OTDR; cost; electrical cable; optical fiber; range; reflective markers; signal-to-noise analysis; spatial resolution; strain monitoring; time-domain reflectometry; Autocorrelation; Brillouin scattering; Monitoring; Optical fibers; Pulse measurements; Pulse shaping methods; Raman scattering; Reflectometry; Spatial resolution; Time domain analysis;
Journal_Title :
Lightwave Technology, Journal of
