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    • 9. 发明授权
    • Imaging systems
    • 成像系统
    • US06222672B1
    • 2001-04-24
    • US09199295
    • 1998-11-24
    • Michael John TowlerHarry Garth WaltonElizabeth Jane Acosta
    • Michael John TowlerHarry Garth WaltonElizabeth Jane Acosta
    • G02B2726
    • G02B27/26H04N13/337H04N13/359H04N13/363
    • An imaging system according to the invention includes: a matrix of light modulating elements including first and second elements for respectively transmitting first and second image components; a polarizing element having a first polarization axis for linearly polarizing light from the first and second elements; a first optical retardation element incorporating at least one first retarder having first and second regions respectively having a first optic axis at a first orientation and a second option axis at a second orientation to the first polarization axis; and a detecting element having first and second detecting parts, each detecting part including respective second optical retardation element incorporating at least one second retarder and an analyzing element having a second polarization axis intended to be disposed at a defined orientation relative to the first polarization axis, at least one second retarder of the first detecting part having an optic axis which is intended to be disposed substantially perpendicularly to the first optic axis and transversely to the second optic axis of the at least one first retarder, and at least one second retarder of the second detecting part having an optic axis which is intended to be disposed substantially perpendicularly to the second optic axis and transversely to the first optic axis of the at least one first retarder. Substantially only light relating to the first image component is transmitted by the first detecting part and substantially only light relating to the second image component is transmitted by the second detecting part.
    • 根据本发明的成像系统包括:光调制元件矩阵,包括用于分别发射第一和第二图像分量的第一和第二元件; 具有用于使来自第一和第二元件的光线性偏振的第一偏振轴的偏振元件; 第一光学延迟元件包括至少一个第一延迟器,其具有第一和第二区域,第一和第二区域分别具有第一取向的第一光轴和与第一偏振轴成第二取向的第二选择轴; 以及具有第一和第二检测部分的检测元件,每个检测部分包括相应的第二光学延迟元件,所述第二光学延迟元件包括至少一个第二延迟器和具有第二偏振轴的分析元件,所述第二偏振轴将相对于所述第一偏振轴以规定的方向设置, 所述第一检测部分的至少一个第二延迟器具有旨在基本上垂直于所述第一光轴并且横向于所述至少一个第一延迟器的第二光轴布置的光轴,以及至少一个第二延迟器 第二检测部分具有旨在基本上垂直于第二光轴并横向于至少一个第一延迟器的第一光轴布置的光轴。 基本上只有与第一图像分量相关的光被第一检测部分发送,并且基本上只有与第二图像分量有关的光被第二检测部分发送。