Advanced quasi-optical mode converter for a multi-frequency gyrotron

被引:0
|
作者
Prinz, O. [1 ,2 ]
Gantenbein, G. [2 ]
Thumm, M. [1 ,2 ]
机构
[1] Univ Karlsruhe TH, IHE, Kaiserstr 12, D-76131 Karlsruhe, Germany
[2] Forschungszentrum Karlsruhe, Assoc EURATOM FZK, IHM, D-76344 Eggenstein Leopoldshafen, Germany
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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
Multi-frequency megawatt gyrotrons are of great interest for controlling instabilities in magnetically confined thermonuclear fusion plasmas. A key issue for the design of a multi-frequency gyrotron is the quasi-optical mode converter. It converts the high order cavity mode into a linearly polarized, pencil-like output beam. A multi-mode optimization for nine modes which gives very high Gaussian mode content and a small amount of stray radiation is presented here.
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页码:62 / +
页数:2
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