Designed of a quasi-optical mode converter for 0.42THz high order mode gyrotron

被引：0
|
作者：
Zhang Tian-Zhong [1 ]
Yu Sheng [1 ]
Zhang Yan-Yan [1 ]
Zhao Qi-Xiang [1 ]
Li Xiang [1 ]
机构：
[1] Univ Elect Sci & Technol China, Terahertz Sci & Technol Res Ctr, Chengdu 610054, Peoples R China
来源：
2015 IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2015年
关键词：
quasi-optical; coupling-mode theory; Gaussian beam; THz gyrotron;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A quasi-optical mode converter (QOMC) for a 0.42THz TE17,4 mode gyrotron has been designed by theoretical analysis, numerical calculation, 3D simulation in this paper. The QOMC consists of a Denisov launcher and a set of beam-forming mirrors. The operation of the Denisov launcher has been analyzed by the coupling mode theory. The mirrors are used to form the beam-forming mirrors system. The vector diffraction theory is used to calculate the fields on the mirrors. A full 3D electromagnetic analysis of the integrated QOMC has been done. Results show that a conversion efficient of more than 98.1% has been obtained. Results of 3D simulations are in good agreement with the design calculation.
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页数：2
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