Magnetic configuration for Faraday rotators

Details Magnetic configuration for Faraday rotators Magnetic configuration for Faraday rotators

1987-12-04

1989-08-15

Arnold, Bruce Y.

350376, 350384, G02F 109

Patent

active

048568783

ABSTRACT:
A Faraday rotator having an optical element and a donut magnet of length 1.0L for generating a magnetic field along the optical axis of the optical element in order to rotate a plane of polarization of polarized light. At each end of the donut magnet of length 1.0L is a tuning magent of a length from about 0.4L to about 0.7L, with each of said tuning magnets generating a magnetic field in a direction opposite to that of the donut magnet.

REFERENCES:
K. P. Birch, "A Compact Optical Isolator," Optics Communications, vol. 43, No. 2, Sep. 15, 1982.

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