0.3T Ku波段返波管的低磁场特性研究

doi:10.3969/j.issn.0372-2112.2016.09.005

电子学报 ›› 2016, Vol. 44 ›› Issue (9): 2057-2061.DOI: 10.3969/j.issn.0372-2112.2016.09.005

0.3T Ku波段返波管的低磁场特性研究

邵剑波^1,2, 谢鸿全¹, 李正红², 马乔生²

1. 西南科技大学理学院, 四川绵阳 621010;
2. 中国工程物理研究院应用电子学研究所, 高功率微波技术重点实验室, 四川绵阳 621900

收稿日期:2015-02-05 修回日期:2015-08-23 出版日期:2016-09-25
- 作者简介:
- 邵剑波 男,1989年生于四川眉山,硕士研究生.主要研究方向:高功率微波器件研究.E-mail:465392949@qq.com;谢鸿全 男,1974年生,教授.主要研究方向为高功率微波技术和电磁场理论,已发表学术论文60余篇,其中40余篇次被三大检索收录.
- 基金资助:
- 国家自然科学基金 (No.61271109）

Study of a Ku-Band Backward Wave Oscillator Characteristics with Low Magnetic Field of 0.3T

SHAO Jian-bo^1,2, XIE Hong-quan¹, LI Zheng-hong², MA Qiao-sheng²

1. College of Science, Southwest University of Science and Technology, Mianyang, Sichuan 621010, China;
2. Science and Technology on High Power Microwave Laboratory, Institute of Applied Electronics, CAEP, Mianyang, Sichuan 621900, China

Received:2015-02-05 Revised:2015-08-23 Online:2016-09-25 Published:2016-09-25
- Supported by:
- National Natural Science Foundation of China (No.61271109)

摘要/Abstract

摘要：

为了实现相对论返波管振荡器（RBWO）永磁包装，本文采用Magic模拟软件在0.5T低磁场相对论返波管（RBWO）器件结构基础上，通过在器件慢波结构末端添加一个部分反射腔，减小电子束质量对束波转换影响，即减小引导磁场的影响，实现了Ku波段相对论返波管振荡器0.3T磁场下运行.当电子束束压600kV、电子束束流7kA时，模拟得到器件输出微波功率740MW，效率18%.尽管该器件的效率低于0.5T磁场下的效率（25%），然而0.3T引导磁场在工程上更容易实现.结合小型化的脉冲功率源进行实验研究，当二极管束压580kV、束流6.5kA，实验获得功率600MW，频率13.10GHz，脉宽25ns的微波输出，该器件的研制可以促进高功率微波（HPM）系统小型化的发展.

关键词: 相对论返波管, 小型化, Ku波段

Abstract:

In order to realize the relativistic backward wave oscillator(RBWO) permanent magnet packaging,simulation software Magic is used and based on the structure of the relativistic backward wave oscillator(RBWO) with low magnetic field of 0.5T,through adding a partially reflecting cavity at the end of the device's slow wave structure to reduce the effect of the quality of electron beam on the beam-wave conversion,that is,to reduce the effect of guiding magnetic field,so this paper realized the Ku band relativistic backward wave oscillator normal operation at 0.3T.When the electron beam is 600kV and the beam current is 7kA,the output microwave power of 740MW and the efficiency of 18% are obtained in the simulation software Magic.Although the efficiency of the RBWO at 0.3T is lower than that at 0.5T(25%),guiding magnetic field of 0.3T is easier to realize in engineering.Experiment on the miniaturization of pulse power source,when the diode is 580kV and the beam is 6.5kA,achieves output power of 600MW and the frequency of 13.10 GHz with the corresponding pulse width of 25ns.

Key words: relativistic backward wave oscillator (RBWO), miniaturization, Ku-band

中图分类号:

TN125

邵剑波, 谢鸿全, 李正红, 等. 0.3T Ku波段返波管的低磁场特性研究[J]. 电子学报, 2016, 44(9): 2057-2061.

SHAO Jian-bo, XIE Hong-quan, LI Zheng-hong, et al. Study of a Ku-Band Backward Wave Oscillator Characteristics with Low Magnetic Field of 0.3T[J]. Acta Electronica Sinica, 2016, 44(9): 2057-2061.

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0.3T Ku波段返波管的低磁场特性研究

Study of a Ku-Band Backward Wave Oscillator Characteristics with Low Magnetic Field of 0.3T

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