Hot Test of Gyrotron Cavity Interaction Using a 3D CFDTD PIC Method

被引：0
|
作者：
Lin, M. C. [1 ]
Smithe, D. N. [1 ]
Guss, W. C. [2 ,3 ]
Temkin, R. J. [2 ,3 ]
机构：
[1] Tech X Corp, Boulder, CO 80303 USA
[2] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA
[3] MIT, Dept Phys, Cambridge, MA 02139 USA
来源：
IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE | 2014年
关键词：
3D CFDTD PIC; gyrotron cavity; forward wave; backward wave; Vorpal; FDTD ALGORITHM;
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：
Modeling a gyrotron cavity interaction in 3D and time-domain is very challenging due to the open-end features of cavity structure and higher-order mode excitation employed to achieve high efficiency. In this work, a 3D conformal finite-difference time-domain (CFDTD) particle-in-cell (PIC) method has been developed to perform a hot test of gyrotron cavity interaction. With a tailored gyrobeam emission, not only forward wave but also backward wave interactions have been observed in an MIT gyrotron cavity, consistent with a recent experiment at MIT. Our preliminary results show that the 3D CFDTD PIC method could provide an alternative modeling tool for studying the gyrotron cavity interaction for further improving efficiency and studying mode competition.
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收藏
页码：87 / +
页数：2
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