Magneto-optical device

Details Magneto-optical device Magneto-optical device

1985-01-17

1987-03-17

Arnold, Bruce Y.

Alloys or metallic compositions

Aluminum base

Copper containing

350355, 350375, 420466, 420580, 148300, 148315, G02B 530, G02F 129, G02F 131, C22C 3000

Patent

active

046502904

ABSTRACT:
A magneto-optical device for varying the state of polarization of a reflected or transmitted light beam having a wavelength which lies in particular in the range between 0.6 and 0.9 microns. The device has a magneto-optically active layer formed from a platinum-manganese-antimony alloy, at least 80 atomic percent of which has the composition Pt.sub.1 Mn.sub.1 Sb.sub.1 and has a C1.sub.b crystal structure.

REFERENCES:
Myers, R. A., "Magnetic Media Storage of Optical Images," IBM Technical Disclosure Bulletin, vol. 12, #7, Dec. 69, pp. 955-956.
Barrekette, E. S., & Fan, G. J., "Optical Readout for Magnetic Memory," IBM Technical Disclosure Bulletin, vol. 6, #4, Sep. 63, pp. 145-146.
de Groot, R. A. et al., "Half-metallic Ferromagnets and Their Magneto-optical Properties," J. Appl. Phys., vol. 55, No. 6, pp. 2151-2154 (Mar. 15, 1984).

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