LIQUID-CRYSTAL COMPOSITION AND POLYMERIC LIQUID CRYSTAL OBTAINED BY POLYMERIZING THE SAME
申请人:Asahi Glass Company Ltd.
公开号:EP0955348A1
公开(公告)日:1999-11-10
The present invention provides high molecular liquid crystal obtained by photopolymerizing a liquid crystal composition which comprises CH2=CHCOO-X-OC6H4-C6H4CN (X is an alkylene group) and CH2=CHCOOC6H4-C6H4CN.
The present invention further provides an optical element which is a polarized hologram element made by using the high molecular liquid crystal.
The present invention further provides an optical head having the polarized hologram element as a beam splitter.
本发明提供了通过光聚合液晶组合物获得的高分子液晶,该液晶组合物由 CH2=CHCOO-X-OC6H4-C6H4CN (X 为亚烷基)和 CH2=CHCOOC6H4-C6H4CN 组成。
本发明进一步提供了一种光学元件,它是利用高分子液晶制成的偏振全息图元件。
本发明进一步提供了一种光学头,该光学头具有作为分光器的偏振全息图元件。