Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1978-05-15
1980-04-01
Corbin, John K.
Optics: measuring and testing
Range or remote distance finding
With photodetection
356350, G02B 508
Patent
active
041959086
ABSTRACT:
A magnetic mirror for imparting a non-reciprocal phase shift to p-polarized light incident thereon. A magneto-optic garnet layer is formed on a first surface of a transparent substrate having a second opposed substantially parallel surface upon which the light is incident. The light upon passing through the magneto-optic garnet layer is non-reciprocally phase shifted as a consequence of the application of a magnetic field to the garnet layer normal to the plane of incidence. Means are arranged adjacent a surface of the garnet layer for reflecting light passing therethrough back through the layer. As a magneto-optic material, monocrystalline bismuth lutetium iron garnet is particularly advantageous for use as the magneto-optic garnet layer.
REFERENCES:
patent: 3514766 (1970-05-01), Mee et al.
patent: 3651504 (1972-03-01), Goldberg et al.
patent: 3851973 (1974-12-01), Macek
patent: 3927946 (1975-12-01), McClure
patent: 3980949 (1976-09-01), Feldtkeller
Torok et al., "Magnetooptic Color Effects in Bismuth Garnet Domains": IEEE Transactions on Magnetics, vol. MAG-14, No. 1, Jan. 1978, pp. 31-32.
Levinstein et al., "Garnets for Bubble Domain Devices", Bell Lab Record, vol. 51, No. 7, Jul./Aug., 1973, pp. 209-214.
Kestigian Michael
McClure Robert E.
Vaher Eo
Corbin John K.
Rosenberger R. A.
Sperry Corporation
Terry Howard P.
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