| 摘要 |
An optically controlled frequency selective surface (FSS) includes an electrically conductive layer having an array of radio frequency scattering elements such as slots formed in an electrically conductive layer or loops mounted to a substrate. Photonically controlled elements, such as photo-diodes, photo-transistors, and other photo-electronic devices, are connected across each of the scattering elements. Electromagnetic characteristics of the FSS, including resonant frequency, impedance, and the pass/stop band, may be modulated by controlling the degree of illumination of the photonically controlled elements.
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