Abstract

The design of a Faraday isolator that uses a short glass rotator rod and produces highly uniform rotation across its clear aperture is presented. The rotator rod is 19.5 mm long, and at a wavelength of 633 nm the rotation angle is 45 deg and the isolation ratio is >45 dB.

© 1986 Optical Society of America

Compact Faraday rotator for an optical isolator using magnets arranged with alternating polarities

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