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    • 7. 发明授权
    • Wavelength selection switch
    • 波长选择开关
    • US09454002B2
    • 2016-09-27
    • US14365052
    • 2012-03-02
    • Koji MatsumotoSatoshi Watanabe
    • Koji MatsumotoSatoshi Watanabe
    • G02B6/34G02B26/08G02B6/35
    • G02B26/0816G02B6/3518G02B6/3534
    • A wavelength selection switch (1) equipped with: an input/output unit (10) having multiple input/output ports that input/output signal light; a light-collecting mirror (14) arranged in the light path of the signal light from the input/output unit; a dispersion element (13) having a dispersion part and a non-dispersion part that does not have a dispersion effect; and multiple deflection elements (16) arranged in the direction in which the signal light is dispersed. The light-collecting mirror (14) causes the signal light from the input/output unit (10) to enter the dispersion part of the dispersion element (13), and the light that is dispersed by the dispersion element (13) is collected in the deflection elements (16) through the non-dispersion part of the dispersion element (13). Furthermore, the deflection elements (16) deflect the collected light such that the light is emitted from a prescribed input/output port of the multiple input/output ports.
    • 一种配备有输入/输出单元(10)的波长选择开关(1),具有输入/输出信号光的多个输入/输出端口; 布置在来自输入/输出单元的信号光的光路中的聚光镜(14); 具有分散部分和不具有分散效果的非分散部分的色散元件(13); 以及沿信号光分散方向布置的多个偏转元件(16)。 聚光镜(14)使来自输入输出单元(10)的信号光进入分散元件(13)的分散部分,并将分散元件(13)分散的光收集在 偏转元件(16)穿过分散元件(13)的非分散部分。 此外,偏转元件(16)偏转收集的光,使得光从多个输入/输出端口的规定输入/输出端口发射。