The gyrotron - a natural source of high-power orbital angular momentum millimeter-wave beams

被引：2
|
作者：
Thumm, M. [1 ,2 ]
Sawant, A. [3 ]
Choe, M. S. [4 ]
Choi, E. M. [3 ,4 ]
机构：
[1] Karlsruhe Inst Technol, IHM, Karlsruhe, Germany
[2] Karlsruhe Inst Technol, IHE, Karlsruhe, Germany
[3] UNIST, Dept Elect Engn, Ulsan, South Korea
[4] UNIST, Dept Phys, Ulsan, South Korea
来源：
10TH INTERNATIONAL WORKSHOP 2017 STRONG MICROWAVES AND TERAHERTZ WAVES: SOURCES AND APPLICATIONS | 2017年 / 149卷
关键词：
D O I：
10.1051/epjconf/201714904014
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Orbital angular momentum (OAM) of electromagnetic-wave beams provides further diversity to multiplexing in wireless communication. The present report shows that higher-order mode gyrotrons are natural sources of high-power OAM millimeter (mm) wave beams. The well-defined OAM of their rotating cavity modes operating at near cutoff frequency has been derived by photonic and electromagnetic wave approaches.
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