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    • 2. 发明授权
    • Optical component element
    • 光学元件
    • US4170396A
    • 1979-10-09
    • US881025
    • 1978-02-24
    • Heinz-Peter Kraft
    • Heinz-Peter Kraft
    • G02B5/32G11C13/04G03H1/30
    • G02B5/32G11C13/042
    • An optical component element which may be either used as an optical storage medium or as a component in an optical system characterized by a plurality of sub-holograms which will randomly divide a beam of coherent radiation in a plurality of partial beams with each of the sub-holograms producing a single partial beam. Each of the sub-holograms may be constructed so that the partial beam produced thereby exhibits a specific spatial configuration at specific locations in space with the spatial configurations being either focal points, focal lines, circular rings or sectors of a circle. Each of the sub-holograms may have a different area so that the partial beam formed thereby has a varying energy content. Preferably, the sub-holograms are constructed as sectors of a circle.
    • 可以用作光学存储介质或作为光学系统中的组件的光学组件元件,其特征在于多个子全息图,其将随机地将多个部分光束中的每个子像素的每个子像素分割 产生单个部分光束。 可以构造每个子全息图,使得由此产生的部分光束在空间中的特定位置处呈现特定的空间配置,其中空间配置是焦点,焦点线,圆环或圆的扇形。 每个子全息图可以具有不同的区域,使得由此形成的部分波束具有变化的能量含量。 优选地,子全息图被构造为圆的扇区。