Device for rotating the plane of polarization of linearly polari

Details Device for rotating the plane of polarization of linearly polari Device for rotating the plane of polarization of linearly polari

1986-05-12

1988-04-05

Corbin, John K.

350 9613, 350 9618, 350375, 350378, 350416, G02F 109

Patent

active

047354895

ABSTRACT:
A focusing, adjustable device for rotating the plane of polarization of linearly polarized light in the form of a ball lens made from magnetic crystalline material preferentially magnetized in the direction of light transmission, where the ball lens consists of two domes of magnetic garnet material whose basal planes are oriented parallel to one antoher and perpendicular to the direction of light transmission, with a spherical member between the domes consisting of optically transparent non-magnetic garnet material.

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Sugie et al, "Nonreciprocal Circuit for Laser-Diode-to-Single-Mode-Fibre Courling Employing a Yig Sphere," Electronics Letters, vol. 18, No. 24, Nov. 25, 1982, pp. 1026-1028.
Klages, C., et al. "LPE Growth of Bismuth Substituted Gadolinium Iron Garnet Layers: Systematization of Experimental Results," Journal of Crystal Growth, vol. 64, pp. 275-284 (1983).
Okamoto, K., et al. "Novel Optical Isolator Consisting of a YIG Spherical Lens and Panda-Fibre Polarisers," Electronics Letters, vol. 21, No. 1, pp. 36-37 (Jan. 3, 1985).
Winkler, G. Magnetic Garnets, pp. 253-259 (Friedr. Vieweg & Sohn, Braunschweig, 1981).

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