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Study on the Multi-Modes, Multi-Harmonics Behavior of a THz Large-Orbit Gyrotron

Study on the Multi-Modes, Multi-Harmonics Behavior of a THz Large-Orbit Gyrotron

Authors :
Zhipeng Wang
Xiang Li
Mengshi Ma
Qixiang Zhao
Sheng Yu
Source :
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz).
Publication Year :
2021
Publisher :
IEEE, 2021.

Abstract

A large orbit gyrotron capable of operating from the 4th to the 9th harmonic is investigated. With the assistance of the 3-D particle-in-cell simulation, the beam-wave interaction dynamics and high harmonics operation regimes are studied. It is shown that by tuning the external magnetic field intensity, successive excitation of the oscillation at a number of neighboring harmonics can be achieved, corresponding to radiation frequencies between 240 GHz to 460 GHz. Then, a study of the competition among the 7th, 8th and 9th harmonics are conducted, providing an insight into the multi-modes, multi-harmonics behavior of the high-harmonic LOG.

Details

Database :
OpenAIRE
Journal :
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Accession number :
edsair.doi...........97bfeeda47a5282275bd982976a69398
Full Text :
https://doi.org/10.1109/irmmw-thz50926.2021.9567028