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    • 1. 发明申请
    • SINGLE-POLE OPTICAL WAVELENGTH SELECTOR
    • 单波长光波长选择器
    • WO2006123344A3
    • 2007-06-14
    • PCT/IL2006000590
    • 2006-05-18
    • XTELLUS INCARBELL HAGGAICOREM YOSSISUH SEONGWOOFRENKEL BORIS
    • COREM YOSSISUH SEONGWOOFRENKEL BORIS
    • G02B6/26
    • G02F1/31G02B6/272G02B6/29311
    • A fiber-optical, wavelength selective switch, especially for channel blocking applications. The input signal is converted to light beams having predefined polarizations relative to the plane in which optical manipulation of the beam is performed. The beams are then preferably laterally expanded in this system plane only, and then spatially dispersed in the beam expansion plane, preferably by means of a diffraction grating. The light is directed through a polarization rotation device, preferably a liquid crystal cell, pixelated along the wavelength dispersive direction such that each pixel operates on a separate wavelength. When the appropriate control voltage is applied to a pixel, the polarization of the light signal passing through that pixel is rotated. The wavelength dispersed beams from all of the pixels are then recombined, and are passed towards a polarization selective device, aligned such that only selected polarization components are transmitted out of the switch.
    • 光纤,波长选择开关,特别适用于通道阻塞应用。 输入信号被转换成相对于其中执行光束的光学操作的平面具有预定极化的光束。 然后优选地,梁在该系统平面中优选地横向膨胀,然后优选地通过衍射光栅在空间上分散在光束扩展平面中。 光被引导通过偏振旋转装置,优选地是沿着波长色散方向像素化的液晶单元,使得每个像素在单独的波长上操作。 当对像素施加适当的控制电压时,通过该像素的光信号的偏振旋转。 然后将来自所有像素的波长分散光束重新组合,并且被传送到偏振选择装置,对准使得仅选择的偏振分量被传送出开关。
    • 2. 发明申请
    • SINGLE-POLE OPTICAL WAVELENGTH SELECTOR
    • 单波长光波长选择器
    • WO2006123344A2
    • 2006-11-23
    • PCT/IL2006/000590
    • 2006-05-18
    • XTELLUS INC.ARBELL, HaggaiCOREM, YossiSUH, SeongWooFRENKEL, Boris
    • COREM, YossiSUH, SeongWooFRENKEL, Boris
    • G02B6/42
    • G02F1/31G02B6/272G02B6/29311
    • A fiber-optical, wavelength selective switch, especially for channel blocking applications. The input signal is converted to light beams having predefined polarizations relative to the plane in which optical manipulation of the beam is performed. The beams are then preferably laterally expanded in this system plane only, and then spatially dispersed in the beam expansion plane, preferably by means of a diffraction grating. The light is directed through a polarization rotation device, preferably a liquid crystal cell, pixelated along the wavelength dispersive direction such that each pixel operates on a separate wavelength. When the appropriate control voltage is applied to a pixel, the polarization of the light signal passing through that pixel is rotated. The wavelength dispersed beams from all of the pixels are then recombined, and are passed towards a polarization selective device, aligned such that only selected polarization components are transmitted out of the switch.
    • 光纤,波长选择开关,特别适用于通道阻塞应用。 输入信号被转换成相对于执​​行光束的光学操作的平面具有预定极化的光束。 然后优选在该系统平面中横向扩展梁,然后优选地通过衍射光栅在空间上分散在光束扩展平面中。 光被引导通过偏振旋转装置,优选地是沿着波长色散方向像素化的液晶单元,使得每个像素在单独的波长上操作。 当对像素施加适当的控制电压时,通过该像素的光信号的偏振旋转。 然后将来自所有像素的波长分散光束重新组合,并且被传送到偏振选择装置,对准使得仅选择的偏振分量被传送出开关。