Device for applying light to a linear array of magneto-optical l

Details Device for applying light to a linear array of magneto-optical l Device for applying light to a linear array of magneto-optical l

1982-05-12

1984-11-13

Punter, William H.

350 9610, 350 9627, 350388, G02B 516, G02B 5172, G02F 109

Patent

active

044822146

ABSTRACT:
A device for illuminating a line-shaped light switching mask having a plurality of magneto-optical light modulation elements and which is arranged between polarizers, comprising a light source, an optical transmission system for transmitting as large as possible part of the light emitted by the light source to the light switching mask, and at least one optical body which is arranged in the light path between the light source and the light switching mask in order to homogenize the light distribution. The optical transmission system comprises an adapter whose entrance surface corresponds to the geometry of the light source and whose exit surface corresponds to the geometry of the line-shaped light switching mask and a thin light conductor plate. The line direction of the exit surface of the adapter as well as that of the light switching mask extends in the plane of said plate.

REFERENCES:
patent: 2589569 (1952-03-01), Peter et al.
patent: 3546438 (1970-12-01), Buc et al.
patent: 3859536 (1975-01-01), Thiel
patent: 3962702 (1976-06-01), Kriege
patent: 4017157 (1977-04-01), Van Riet
Marks, L. V., "Optical Multiplexor for Apertured Document Reading", IBM Tech. Disc. Bull., 3-1971, p. 3006.
Bolotov et al, "50-Channel Light-Pulse Generator", Instruments & Experimental Techniques", May-Jun. 1975, pp. 909-911.

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