Title :
Measurement of magnetic field by polarisation optical time-domain reflectometry
Author_Institution :
Central Electricity Research Laboratories, Leatherhead, UK
Abstract :
The technique of polarisation optical time-domain reflectometry has been used to measure magnetic field through the use of the Faraday effect. A spatial resolution of 0.4 m was achieved, and a sensitivity corresponding to a magnetic field of 10¿3 T over a length of 0.5 m was obtained.
Keywords :
Faraday effect; fibre optics; light polarisation; magnetic field measurement; time-domain reflectometry; Faraday effect; magnetic field measurement; optical fibre; polarisation optical time-domain reflectometry; spatial resolution;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810419
