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    • 3. 发明公开
    • Optical Rotary Joint
    • 光学旋转接头
    • EP2015118A2
    • 2009-01-14
    • EP08158091.2
    • 2008-06-12
    • Schleifring und Apparatebau GmbH
    • Popp, Gregor
    • G02B6/36G02B6/293
    • G02B6/3604G02B6/28
    • A device for transmitting optical signals comprises two collimator units, supported to be rotatable relative to each other about a rotation axis and one derotating optical element. A first power splitter receives input signals and splits them into at least two signals, so that they are transferred by at least two optical channels over the collimator units and the derotating optical element. After passing the second collimator unit, the signals are combined by a second power splitter to a single signal, resulting in largely reduced variations of attenuation during rotation.
    • 一种用于传输光学信号的装置包括两个准直器单元,所述两个准直器单元被支撑为能够围绕旋转轴线和一个反旋转光学元件相对于彼此旋转。 第一功率分配器接收输入信号并将它们分成至少两个信号,使得它们通过至少两个光学通道传送到准直器单元和解旋光学元件上。 通过第二个准直器单元后,信号通过第二个功率分配器合并为单个信号,从而大大减少了旋转过程中衰减的变化。