Compositions – Radioactive compositions – Nuclear reactor fuel
Patent
1983-03-16
1985-10-01
Punter, William H.
Compositions
Radioactive compositions
Nuclear reactor fuel
252 6257, 428693, 428701, 428900, G02F 109, C04B 3540
Patent
active
045442398
ABSTRACT:
The invention relates to a magnetically switchable magneto optic composite comprising an epitaxial film supported on a non-magnetic garnet substrate. The film is a bismuth-containing film which is in compression, contains a combination of cations providing a net negative magneto-strictive coefficient, has a positive value anisotropy field, a low collapse field and high figure of merit. The film is easily switchable utilizing z-y coincident drive lines and the composite can readily be formed into a chip comprising an array of switchable optically active pixels. Also disclosed are light valves, optical printers, microwave signal processors and magneto-optic light deflectors comprising the described magneto-optic light composites.
REFERENCES:
patent: 3995093 (1976-11-01), Heinz
patent: 4018692 (1977-04-01), Akselrad et al.
patent: 4333991 (1982-06-01), Sakurai
Scott et al., "Magneto-Optic Properties & Applications of Bismuth Substituted Iron Garnets", IEEE Trans. on Mag. 7-1976, pp. 292-311.
Luther et al., "An Improved Biyig Composition for One-Micron Bubbles", J. App. Phys. 3-1982, pp. 2478-2480.
Shone et al., "Growth & Magnetic Properties of Bismuth Garnet Films for Magneto-Optic Devices", Chem. Abst., vol. 100, p. 578, #112402, 1982.
Belt Roger F.
Shone Michael F.
Litton Systems Inc.
Punter William H.
Rotella Robert F.
Wallach Michael H.
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