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A multi-layer corrugated circular-aperture terahertz (THz) horn antenna based on MEMS (Micro-electromechanical System) technology is presented in this paper. The proposed antenna reveals bandwidth for return loss below −13 dB from 470 GHz to 530 GHz. The radiation pattern exhibits symmetric beam and very low cross-polarization. The peak gain varies from 18.9 dBi to 20.2 dBi within the frequency band...
This paper presents a terahertz high-gain antenna which has a certain beam scanning capability and the antenna also has an offset Cassegrain reflector structure. Beam scanning method is analyzed by the theory of quasi-optics. Moreover, we elaborate critical analysis algorithm of the antenna. Simulation results show that, in the initial position, the gain of the antenna is 44.98dB, the half-power beam...
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