OPTICAL WAVELENGTH AND POWER MEASUREMENT DEVICE
    2.
    发明申请
    OPTICAL WAVELENGTH AND POWER MEASUREMENT DEVICE 有权
    光波长和功率测量装置

    公开(公告)号:US20160146663A1

    公开(公告)日:2016-05-26

    申请号:US14797030

    申请日:2015-07-10

    CPC classification number: H04B10/07957 H04B10/07955

    Abstract: An optical wavelength and optical power measurement device is provided. The optical wavelength and optical power measurement device includes: an input unit in which an optical connector that emits communication light of an infrared ray wavelength region is connected; a filter unit that separates the communication light of an infrared ray wavelength region and light of a visible ray wavelength region; a sensing unit that communicates with a path of the communication light of an infrared ray wavelength region of the filter unit and in which a signal of the communication light of an infrared ray wavelength region is input; and an inspection unit that communicates with a path of the light of the visible ray wavelength region of the filter unit and that inspects a surface of the optical connector.

    Abstract translation: 提供光波长和光功率测量装置。 光波长和光功率测量装置包括:连接发射红外线波长区域的通信光的光连接器的输入单元; 滤波器单元,其分离红外线波长区域的通信光和可见光线波长区域的光; 感测单元,其与所述滤波器单元的红外线波长区域的通信光的路径通信,并且其中输入了红外线波长区域的通信光的信号; 以及检查单元,其与过滤器单元的可见光波长区域的光的路径通信并且检查光学连接器的表面。

    Apparatus and method for beamforming communication

    公开(公告)号:US10693561B2

    公开(公告)日:2020-06-23

    申请号:US16547999

    申请日:2019-08-22

    Abstract: A transmitting apparatus includes an optical modulator configured to modulate input light from a light source into a light signal including a carrier signal and a sideband signal based on a radio frequency (RF) signal, having polarization characteristics crossing each other, an optical power splitter configured to split the light signal into a plurality of light signals, a plurality of light phase shifters configured to respectively shift phases of the plurality of light signals, a plurality of polarization controllers configured to perform control so that a carrier signal and a sideband signal included in each of the phase-shifted plurality of light signals have the same polarization characteristic, and a plurality of photodetectors configured to convert the plurality of light signals, having polarization characteristics controlled by the plurality of polarization controllers, into a plurality of electrical signals and to transfer the electrical signals to a plurality of antenna elements.

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