| Issue |
EPJ Web Conf.
Volume 149, 2017
10th International Workshop 2017 “Strong Microwaves and Terahertz Waves: Sources and Applications”
|
|
|---|---|---|
| Article Number | 04014 | |
| Number of page(s) | 2 | |
| Section | High-power microwave sources | |
| DOI | https://doi.org/10.1051/epjconf/201714904014 | |
| Published online | 04 August 2017 | |
https://doi.org/10.1051/epjconf/201714904014
The gyrotron – a natural source of high-power orbital angular momentum millimeter-wave beams
1 Karlsruhe Institute of Technology (KIT), IHM and IHE, Karlsruhe, Germany
2 Department of Electrical Eng., Ulsan National Inst. of Science and Technology (UNIST), Ulsan, South Korea
3 Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan, South Korea
Published online: 4 August 2017
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.
© The Authors, published by EDP Sciences, 2017
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