Polarisation dependent refractive device exhibiting independtly

Details Polarisation dependent refractive device exhibiting independtly Polarisation dependent refractive device exhibiting independtly

1995-09-07

1997-09-23

Sikes, William L.

Liquid crystal cells, elements and systems

Liquid crystal optical element

Liquid crystal lenses other than for eyewear

359494, 359653, G02F 1137

Patent

active

056710348

ABSTRACT:
A birefringent element is patterned such that for light of a first polarisation the element acts as a first refractive optical element and for light of a second polarisation the optical response of the element changes. The element can be used in conjunction with a polarisation selecting means, such as a liquid crystal device, to provide an electrically controllable optical element that can be used in light beam manipulation applications.

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Yakolev et al, "New Concept to Achieve Color LDCs with Linearly Photopolymerized LCD-Substrates", Saratov State Univ., LCT-4, pp. 17-20, (1993).
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Schadt et al, "Surface-Induced Parallel Alignment of Liquid Crystals by Linearly Polymerized Photopolymers," Jpn. J. Appl. Phys., vol. 31 (1992), pp. 2155-2164, Part 1, No. 7, Jul. 1992.
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