Faraday rotators using a movable optical element

Details Faraday rotators using a movable optical element Faraday rotators using a movable optical element

1988-01-11

1989-02-14

Arnold, Bruce Y.

350392, G02F 109

Patent

active

048042560

ABSTRACT:
A Faraday rotator comprising an optical element having an optical axis, a means for generating a magnetic field along the optical axis of the optical element in order to rotate a plane of polarization of polarized light about the optical axis, and a means for moving said optical element such that varying portions of the optical element can be enclosed over or withdrawn from the means for generating a magnetic field. In a preferred embodiment the optical element is held within a clamp contained within a movable screw which can be turned so as to vary the amount of the optical element surrounded by the means for generating the magnetic field.

REFERENCES:
patent: 3602575 (1969-07-01), Young
patent: 3860325 (1975-01-01), Matsushita
patent: 4033670 (1977-07-01), Tanton et al.
patent: 4609257 (1986-09-01), Shirasaki

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