专利名称：Beam expansion
发明人：Niall Anthony Gallen,Timothy York,Adrian
Robert Leigh Travis
申请号：US10398972
申请日：20030707
公开号：US20040012832A1
公开日：
20040122
专利内容由知识产权出版社提供
专利附图：
polarised
摘要：A large-area collimated beam of radiation is formed by re-directing a beam of small projected area off one or two orthogonal surfaces which are faceted or have a non-specular reflection angle and which spatially distribute the incoming beam across their
surface area. Preferably there are two expansion stages, one for each dimension. If the input beam is linearly polarised then the output beam will also be polarised. The polarisation will undergo a rotation through 90 degrees. The beam expander is compact and suitable for use in liquid-crystal flat-panel displays.
申请人：GALLEN NIALL ANTHONY,YORK TIMOTHY,LEIGH TRAVIS ADRIAN ROBERT 更多信息请下载全文后查看

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