Liquid crystal light valve with birefringence compensation

Details Liquid crystal light valve with birefringence compensation Liquid crystal light valve with birefringence compensation

1981-04-01

1984-08-21

Evans, F. L.

350335, 350342, G02F 1133

Patent

active

044667027

ABSTRACT:
This invention is a light valve using birefringent nematic liquid crystals in which compensation for residual birefringence is achieved by passing light through two separate liquid crystal layers having their major optical axes aligned perpendicular to one another at the interface between the two liquid crystal layers.

REFERENCES:
patent: 3881808 (1975-05-01), Gurtler et al.
Grinberg et al., Optical Engineering, vol. 14, No. 3, May-Jun. 1975, pp. 217-225.

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