Radio vortex electromagnetic beam generation based on circular patch array antenna

Zhou Shouli; Yu Qi; Liang Xianfeng; An Junshe; Gu Weisi

doi:10.11884/HPLPB201628.073202

Volume 28 Issue 07

Jun. 2016

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Kozlov A, Parfenov Yu, Chepelev V, et al. Assessing immunity of power systems to effects of high-voltage pulses with power on[J]. High Power Laser and Particle Beams, 2019, 31: 070006. doi: 10.11884/HPLPB201931.180356

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Zhou Shouli, Yu Qi, Liang Xianfeng, et al. Radio vortex electromagnetic beam generation based on circular patch array antenna[J]. High Power Laser and Particle Beams, 2016, 28: 073202. doi: 10.11884/HPLPB201628.073202

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Radio vortex electromagnetic beam generation based on circular patch array antenna

doi: 10.11884/HPLPB201628.073202

Zhou Shouli^{1,2
,
,},
Yu Qi¹,
Liang Xianfeng²,
An Junshe^1,2,
Gu Weisi¹

1.
College of Information Engineering,Zhejiang University of Technology,Hangzhou 310023,China;
2.
National Space Science Center,Chinese Academy of Sciences,Beijing 100190,China

Received Date: 2015-10-26
Rev Recd Date: 2015-12-21
Publish Date: 2016-07-15

Abstract

Abstract

The vortex electromagnetic wave has a new degree of freedom named orbital angular momentum (OAM), which arises from the vortex phase term. Recently it has received intensive attention in the application to the wireless communication field. In radio waves, the array antenna is an effective method to generate vortex electromagnetic waves carrying orbital angular momentum. We proposed a new design of patch array antenna carrying orbital angular momentum at 6 GHz. In this design, eight proximity-fed circular patches arranged on a circle with equidistant space. By controlling the phase delay, we got OAM modes of quantum number 0, 1, 2, 3, 4, and obtained the vortex electromagnetic wave carrying orbital angular momentum. In addition, the appropriate array radius and feed transport line were two keys to generate good properties of vortex waves carrying orbital angular momentum.
- orbital angular momentum,
- radio vortex electromagnetic,
- circular patch array antenna,
- radiation pattern

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