Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent
1995-03-08
1997-03-25
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
349202, G02F 11335
Patent
active
056150296
ABSTRACT:
An apparatus for steering a beam of light. A volume of electro-optic, light transmissive material has a predetermined geometric shape, such as a wedge, and is positioned to intersect the beam of light so that the beam of light is directed into the material. The material has a first surface on which the beam of light is incident and a second surface opposite the first surface, the first and second surfaces defining a portion of the material therebetween having a thickness which varies with the beam of light passing through the portion of the material. A voltage source applies a potential difference across the portion of the material. A control circuit varies the magnitude of the potential difference applied to the portion of the material. As a result, the beam of light is deflected by an angle which is a function of the varying thickness of the portion of the material and the refractive index of the portion of the material as determined by the magnitude of the potential difference.
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Holder David L.
Moddel Garret
Waldman Gary
Wootton John R.
Dudek James A.
Electronics & Space Corp.
Sikes William L.
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