Study of Buncher Cavity in Gyroklystron

LUO Yong; LI Hong-fu; XIE Zhong-lian; YU Sheng

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Study of Buncher Cavity in Gyroklystron

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- Study of Buncher Cavity in Gyroklystron
- Acta Electronica Sinica Vol. 31, Issue 6, Pages: 864-866(2003)
- 作者机构：
  
  电子科技大学高能所,四川,成都,610054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN129
- Published：2003
- 稿件说明：
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LUO Yong, LI Hong-fu, XIE Zhong-lian, et al. Study of Buncher Cavity in Gyroklystron[J]. Acta Electronica Sinica, 2003, 31(6): 864-866.
DOI：

LUO Yong, LI Hong-fu, XIE Zhong-lian, et al. Study of Buncher Cavity in Gyroklystron[J]. Acta Electronica Sinica, 2003, 31(6): 864-866. DOI：

摘要

本文采用场匹配法对回旋速调管群聚腔进行了理论分析和数值模拟

讨论了两端开孔对腔谐振特性的影响及引入损耗介质层降低Q值方法

给出了一种工作频率为34GHz

工作模式为TE

01的回旋速调管低Q群聚腔的计算结果

结果表明

开孔大小明显影响腔内的谐振特性及驻波分布

损耗介质层的厚度增加将使群聚腔Q值迅速降低

选择适当的腔体结构

损耗介质及其厚度能有效地降低Q值

满足设计要求.

Abstract

The field matching technique is applied to do the theoretical analysis and numerical simulation of the buncher cavity in gyroklystron.The influence of side apertures on resonance characteristic and the way that quality factor is decreased by adding absorber have been discussed.The simulation results of buncher cavity with low quality factor in a 34GHz

mode gyroklystron are presented.The numerical calculation shows that the diameter of aperture has obvious influence on the resonance characteristic and field distribution of stationary wave in the cavity

and the quality factor decreases rapidly as the thickness of absorber increases.When the structure of cavity is correct

the absorbing medium and its thickness are selected properly;the designed parameters can be obtained.

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