Shuang Ma, Peng-Yuan Wang, Fu-Liang Zhang, F. Meng, Qun Wu
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Electrically controlled leaky wave antenna with wide-angle scanning based on liquid crystal
In this paper, a design method of electrically controlled leaky wave antenna based on liquid crystal is proposed and investigated. The leaky wave antenna is composed of a rectangular waveguide and an inverted PCB micro-strip structure with eight short slots. By loading bias voltage to the liquid crystal, the leaky wave antenna implements wide beam scanning on fixed frequencies. Simulation results indicate that a 36° beam scanning range is realized in Ku band.
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