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    • 4. 发明授权
    • Array of optically-controlled elements for the diffusion of
electromagnetic energy
    • 用于电磁能量扩散的光控元件阵列
    • US4896033A
    • 1990-01-23
    • US298268
    • 1989-01-17
    • Francois Gautier
    • Francois Gautier
    • H01Q3/44
    • H01Q3/44
    • The main object of the invention is an array of optically-controlled elements for the diffusion of electromagnetic energy. The invention pertains to an array capable of diffracting the electromagnetic energy which illuminates it, certain elements of the said array being capable of modulation. The device according to the invention comprises photodetectors which can be used for the optical modulation of the emitting/reflecting elements, whether diffusing or diffracting. The optical modulation provides for the individual control of each radiating element up to very high frequencies. Furthermore, the device according to the invention can be used to reduce the complexity of an array by doing away with the control wiring. The invention can be applied chiefly to the making of radar-testing devices, for example the simulation of bright points, the ultra-high-frequency tomography of the human body and the making of beacons.
    • 本发明的主要目的是用于扩散电磁能量的光学控制元件阵列。 本发明涉及能够衍射照射它的电磁能量的阵列,所述阵列的某些元件能够进行调制。 根据本发明的装置包括可用于发射/反射元件的光学调制的光电检测器,无论是扩散还是衍射。 光调制为每个辐射元件提供高达非常高的频率的单独控制。 此外,根据本发明的装置可以用于通过取消控制布线来降低阵列的复杂性。 本发明可以主要用于制造雷达测试装置,例如亮点的模拟,人体的超高频断层摄影和信标的制作。