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    • 2. 发明授权
    • Optical signal add and drop apparatus
    • 光信号分插装置
    • US06556743B2
    • 2003-04-29
    • US09842096
    • 2001-04-26
    • Myoung Jin KimYoung Min Im
    • Myoung Jin KimYoung Min Im
    • G02B628
    • G02B6/29364G02B6/2937G02B6/29383H04J14/0206H04J14/0209H04J14/0212H04J14/0213H04Q11/0005H04Q2011/0009H04Q2011/0024H04Q2011/0026
    • The present invention provides an optical signal add/drop apparatus comprising: an optical signal multiplexing/demultiplexing portion comprising a plurality of 2×2 channel unit devices which are arranged in a straight line and having first and second dual-core ferrules having two optical fibers disposed to be symmetrical to each other at an identical distance from an optical axis for transmitting optical signals, a wavelength division filter disposed between first and second lenses for selectively transmitting or reflecting only the optical signals having specific wavelengths, first and second grin lenses for collimating or focusing the optical signal transmitted or reflected from said wavelength division filter and then transmitting the signal to the first and second dual-core optical fibers; and a switch module having unit 2×2 switches connected to two optical fibers of the second dual-core ferrule of each of the unit devices of said optical signal multiplexing/demultiplexing portion; wherein the switch module can drop simultaneously the optical signals demultiplexed on each of the unit devices or transmit them to the output channels continuously according to the connection state of each of 2×2 switches of the switch modules and then transmit them to output channels through each of the unit devices when the optical signals are added.
    • 本发明提供了一种光信号分插装置,包括:光信号复用/解复用部分,包括多个2×2通道单元器件,它们设置成直线,并具有第一和第二双芯套圈,其具有两个光纤, 在与用于传输光信号的光轴相同的距离处彼此对称;布置在第一和第二透镜之间的波长分割滤光器,用于仅选择性地仅发射或反射具有特定波长的光信号,用于准直或聚焦的第一和第二微光透镜 所述光信号从所述波分解滤波器发送或反射,然后将信号发送到第一和第二双芯光纤; 以及开关模块,其具有连接到所述光信号复用/解复用部分的每个单元设备的第二双芯套管的两个光纤的单元2x2开关; 其中开关模块可以同时丢弃在每个单元装置上解复用的光信号,或者根据开关模块的2×2个开关的连接状态将它们连续传输到输出通道,然后通过每个 添加光信号时的单元设备。