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Faraday Effect Devices, Optical Isolators

Published online by Cambridge University Press:  10 February 2011

Donald K. Wilson
Donald K. Wilson*
Affiliation:
President OFR, Inc. Box 82 Caldwell, NJ 07006 973-228-4480 FAX -0915dwilson@ofr.com
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Abstract

Although discovered over 150 years ago, it was not until the 1970's that materials were developed that enabled magneto-optic (Faraday) effect devices of practical sizes. These developments are: magneto-optic materials with high Verdet constants, and the rare-earth magnet materials, capable of extremely high magnetic fields.

The magneto-optic effect has enabled development of equipment used in diverse laser applications, from industrial use to fiber-optic telecommunications.

The principle of operation of optical isolators and circulators is described herein, as well as descriptions of critical components in such equipment, such as the polarizers and the magnets.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 517: Symposium F – Wide Bandgap Semiconductors for High Power, High Frequency , January 1998 , 541
Copyright
Copyright © Materials Research Society 1998

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References

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