Faraday rotation in coiled, monomode optical fibres: isolators, filters and magnetic sensors


Day, G.W., Payne, D.N., Barlow, A.J. and Ramskov Hansen, J.J. (1982) Faraday rotation in coiled, monomode optical fibres: isolators, filters and magnetic sensors Optics Letters, 7, (5), pp. 238-240. (doi:10.1364/OL.7.000238).

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Description/Abstract

It is shown that efficient Faraday rotation can be obtained in a fiber coil if the circumference of the coil is exactly equal to the beat length of the birefringence caused by bending. The essential elements of a practical, compact isolator based on this principle are demonstrated. Forty-five degrees of Faraday rotation were obtained in a 40-turn, 15-mm-diameter coil placed in the field of a permanent magnet (~0.29 T). The design of optical filters and magnetic sensors is also discussed.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/OL.7.000238
ISSNs: 0146-9592 (print)
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ePrint ID: 78656
Date :
Date Event
1982Published
Date Deposited: 11 Mar 2010
Last Modified: 18 Apr 2017 20:21
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/78656

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