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    • 6. 发明授权
    • Optical switch
    • 光开关
    • US07206476B2
    • 2007-04-17
    • US11123095
    • 2005-05-06
    • Yoichi OikawaSatoshi Kuroyanagi
    • Yoichi OikawaSatoshi Kuroyanagi
    • G02B6/26G02B6/42
    • G02B6/3514G02B6/122G02B6/3512G02B6/3518G02B6/3538G02B6/3546G02B6/356G02B6/3582G02B2006/12145H04Q11/0005H04Q2011/0024H04Q2011/003
    • An optical switch having a plurality of switch cells. The optical switch has n inputs (n is a natural number) and m outputs (m is a natural number). The optical switch has a unit size defined as the distance between any two adjacent ones of the switch cells. The optical switch comprises a substrate having a switch size of K×L (K is an integer satisfying n≦K, and L is an integer satisfying m≦L), first and second mirrors parallel to each other and perpendicular to a principal surface of the substrate, and an optical unit providing a plurality of input optical paths for the n inputs and a plurality of output optical paths for the m outputs. The plurality of input optical paths are inclined relative to the first and second mirrors, and the plurality of output optical paths are inclined relative to the first and second mirrors. Each switch cell comprises a switch mirror provided movably relative to the substrate. With this configuration, the path dependence of loss is substantially eliminated.
    • 具有多个开关单元的光开关。 光开关具有n个输入(n是自然数),m个输出(m是自然数)。 光开关具有被定义为任何两个相邻的开关单元之间的距离的单位尺寸。 光开关包括开关尺寸为KxL(K为满足n <= K的整数,L为满足m <= L的整数)的基板,第一和第二反射镜彼此平行并垂直于 基板和为n个输入提供多个输入光路的光学单元和用于m个输出的多个输出光路。 多个输入光路相对于第一和第二反射镜倾斜,并且多个输出光路相对于第一和第二反射镜倾斜。 每个开关单元包括相对于基板可移动地设置的开关镜。 利用这种配置,基本上消除了损耗的路径依赖性。