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    • 9. 发明申请
    • OPTICALLY DRIVEN ANTENNA
    • 光驱天线
    • US20090073053A1
    • 2009-03-19
    • US12302448
    • 2007-05-29
    • Doron NevoMoshe OronRam OronBoaz Nemet
    • Doron NevoMoshe OronRam OronBoaz Nemet
    • H01Q15/00H01Q1/36
    • H01Q1/366H01Q15/0053H01Q15/148
    • There is provided an optically driven, transmitting and receiving antenna transformable into an electrically invisible antenna when inactive, including a light source, a semiconductor wafer illuminatable by the light source and a microwave source or sensor. The wafer has a surface for forming optically induced plasma or electron hole concentration, assuming a spatial and temporal pattern defined by a light beam impinging thereon. Upon the wafer being exposed to the light beam having a power level sufficient for creating a dense plasma or electron hole concentration in the wafer, the wafer becomes reflective to microwaves, and returns to transparency when light from the light source is turned off.
    • 提供了一种光学驱动的发射和接收天线,其在无活动时可变换成电不可见天线,包括光源,可由光源照射的半导体晶片和微波源或传感器。 假定由照射在其上的光束限定的空间和时间图案,晶片具有用于形成光学感应等离子体或电子空穴浓度的表面。 当晶片暴露于具有足以在晶片中产生致密等离子体或电子空穴浓度的功率电平的光束时,晶片变成对微波的反射,并且当来自光源的光被切断时返回透明度。