多模式轨道角动量反射天线

2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications (iWAT) Pub Date : 1900-01-01 DOI:10.1109/IWAT.2017.7915389

X. Y. Lei, Y. J. Cheng

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引用次数: 2

摘要

轨道角动量(OAM)波束可以显著提高通信容量。本文提出并演示了一种用于产生任意OAM波束的反射天线。采用一种新的双共振偶极子元件实现入射球面波与反射OAM波之间的转换。此外，该元件可以提供很好的极化分离和宽相位覆盖。因此，通过使用独立馈线，可以在紧凑的配置中实现OAM复用。以ka波段反射天线产生l=±1和l=±2四个独立的OAM模式为例。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Orbital angular momentum reflectarray antenna with multiple modes

The orbital angular momentum (OAM) beam can be used to significantly increase the communication capacity. In this paper, a reflectarray antenna is proposed and demonstrated for generating arbitrary OAM beams. A new dual-resonance dipole element is employed to implement the conversion between the incident spherical wave and the reflected OAM wave. Besides, this element can provide very good polarization separation and wide phase coverage. Thus, the OAM multiplexing can be achieved in a compact configuration by using independent feeders. As an example, four independent OAM modes, i.e., l=±1 and l=±2, are generated by a Ka-band reflectarray antenna.

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2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications (iWAT)

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