Title :
Current sensing by mode coupling in fibre via the Faraday effect
Author :
Chu, W. ; McStay, D. ; Rogers, A.J.
Author_Institution :
Dept. of Electr. & Electron. Eng., King´´s Coll., London, UK
Abstract :
A new class of optical-fibre current sensor which uses periodic Faraday coupling in a highly birefringent optical fibre is described. The coupling was found to be strongly dependent upon the periodic field spacing, the wavelength of the light used and the applied magnetic field.
Keywords :
Faraday effect; electric current measurement; fibre optic sensors; Faraday effect; applied magnetic field; birefringent optical fibre; optical-fibre current sensor; periodic Faraday coupling; periodic field spacing; robust to environmental perturbations; wavelength;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910134
