一种多轨道角动量模行波谐振腔天线

doi:10.3969/j.issn.1001-2400.2018.04.026

Abstract

Abstract:

To solve the problems of multimode-working and miniaturization faced with most current orbital angular momentum (OAM) antennas and promote the practical application of OAM in wireless communication, a novel multi-OAM-mode antenna based on the substrate integrated waveguide resonant cavity is designed, fabricated and measured according to the eigen mode theory of the resonant cavity. As simulation and measurement indicate, the proposed antenna successfully resonates and generates OAM with l=1 and 3 on 4.1 and 6.2GHz, respectively, which is in good agreement with theoretical analysis. Compared to existing ones, it is more compact in size and easier to integrate, with a unique ability to generate different OAM modes by multi-mode working of a single cavity, and more practical in wireless communication.

Key words: orbital angular momentum, antenna theory, cavity resonators, multi-mode, miniaturization

DANG Weiguo;ZHU Yongzhong;SU Daoyi;YU Yang. Multi-OAM-mode travelling wave resonant cavity antenna[J].Journal of Xidian University, 2018, 45(4): 149-154.

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Multi-OAM-mode travelling wave resonant cavity antenna

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