Simulation analysis and test of periodic focusing system with opening magnetic ring

Guo Zugen; Yang Zhixin; Ji Rujing; Han Ping; Zhang Ruifeng; Wang Qi; Wang Zhanliang; Gong Yubin; Gong Huarong

doi:10.11884/HPLPB201931.190208

Volume 31 Issue 12

Dec. 2019

Turn off MathJax

Article Contents

Article Navigation > High Power Laser and Particle Beams > 2019 > 31(12): 124001

Guo Zugen, Yang Zhixin, Ji Rujing, et al. Simulation analysis and test of periodic focusing system with opening magnetic ring[J]. High Power Laser and Particle Beams, 2019, 31: 124001. doi: 10.11884/HPLPB201931.190208

Citation:

Guo Zugen, Yang Zhixin, Ji Rujing, et al. Simulation analysis and test of periodic focusing system with opening magnetic ring[J]. High Power Laser and Particle Beams, 2019, 31: 124001. doi: 10.11884/HPLPB201931.190208

Citation:

PDF( 1248 KB)

Simulation analysis and test of periodic focusing system with opening magnetic ring

doi: 10.11884/HPLPB201931.190208

School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China

Received Date: 2019-06-11
Rev Recd Date: 2019-09-03
Publish Date: 2019-12-01

Abstract

Abstract

The magnetic ring at the wave port position of the TWT periodic permanent magnet focusing system usually adopts single open magnetic ring. Two different double-open magnetic rings were proposed because of adding waveguide impedance tuning branch at the wave port position. The magnetic field near the central axis of the double-open magnetic ring was analyzed by using the 3D electromagnetic simulation software Opera-3D, and the design method of the periodic magnetic focusing system of double-open magnetic ring was put forward. In order to verify the feasibility of periodic permanent magnet focusing system with double-open magnetic rings, an electronic optical system of E-band folded waveguide TWT was designed and tested. In the traveling wave tube test, the emission current of the electron gun was 83 mA, and the electron beam flow rate of the periodic magnetic focusing system with double-open magnetic rings was 99%.
- double-open magnetic ring,
- periodic magnetic focusing system,
- electronic optical system,
- traveling wave tube,
- Opera-3D

FullText(HTML)

References(10)

References

[1]	王林梅, 甘邠, 袁涛, 等. 行波管周期永磁聚焦系统结构优化设计[J]. 磁性材料及器件, 2012, 43(5):35-39. (Wang Linmei, Gan Bin, Yuan Tao, et al. Optimization of periodic permanent magnet focusing system for traveling-wave tubes. J Magn Mater Devices, 2012, 43(5): 35-39 doi: 10.3969/j.issn.1001-3830.2012.05.009
[2]	鲍际秀. 行波管中周期永磁聚焦系统的研究[J]. 真空电子技术, 2005, 2(2):20-21. (Bao Jixiu. Study of the periodic focusing system using permanent magnet in traveling wave tubes. Vacuum Electronics, 2005, 2(2): 20-21 doi: 10.3969/j.issn.1002-8935.2005.02.006
[3]	彭龙, 李元勋. 带开口磁环的周期永磁聚焦系统的轴向磁场[J]. 强激光与粒子束, 2011, 23(9):3552-3555. (Peng Long, Li Yuanxun. Magnetic field along central axis for periodic permanent magnetic focusing system with open magnetic rings. High Power Laser and Particle Beams, 2011, 23(9): 3552-3555
[4]	彭龙, 李元勋. 轴向磁化开口磁环在周期永磁聚焦系统中的应用[J]. 稀有金属材料与工程, 2011, 40(s2):476-479. (Peng Long, Li Yuanxun. Application of axially magnetized open magnetic ring in periodic permanent magnetic focusing system. Rare Metal Materials and Engineering, 2011, 40(s2): 476-479
[5]	Zhang Qiang, Hu Yinfu, Pan Pan, et al. Electron optics design and experiment of G-band TWT[C]//IEEE 9th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies. 2016: 147-148.
[6]	赵国庆, 岳玲娜, 王文祥, 等. 带开口磁环的周期永磁聚焦系统的2维模拟[J]. 强激光与粒子束, 2008, 20(1):96-97. (Zhao Guoqing, Yue Lingna, Wang Wenxiang, et al. 2D Simulation of periodic magnetic system with open magnetic rings. High Power Laser and Particle Beams, 2008, 20(1): 96-97
[7]	宋睿, 周泉丰, 雷文强, 等. 0.22 THz折叠波导行波管电子光学系统设计与实验研究[J]. 强激光与粒子束, 2015, 27:093101. (Song Rui, Zhou Quanfeng, Lei Wenqiang, et al. Design and experiment of electron optical system for 0.22 THz folded waveguide traveling wave tube. High Power Laser and Particle Beams, 2015, 27: 093101
[8]	蔡竺吟, 吕国强, 杨蕾, 等. 行波管周期永磁聚焦系统的设计[J]. 真空电子技术, 2006(2):20-21. (Cai Zhuyin, Lv Guoqiang, Yang Lei, et al. Design of periodic permanent magnetic for traveling-wave tubes. Vacuum Electronics, 2006(2): 20-21
[9]	吉尔摩著. 速调管、行波管、磁控管、正交场放大器和回旋管[M]. 北京: 国防工业出版社, 2012. Gilmour A S. Klystrons, traveling wave tubes, magnetrons, crossed-field amplifiers, and gyrotrons. Beijing: National Defense Industry Press, 2012
[10]	肖刘, 万晓声, 刘濮鲲, 等. 行波管过渡区磁场的研究与设计[J]. 微波学报, 2012(s2):392-395. (Xiao Liu, Wan Xiaosheng, Liu Pukun, et al. Research and design of magnetic field in transition area for traveling-wave tubes. Journal of Microwaves, 2012(s2): 392-395