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	Periodicity-suppressing effect of periodic lossy-dielectric-loaded cylindrical waveguide
	Du Chao-Hai1,2; Liu Pu-Kun2; Xue Qian-Zhong2
刊名	Chinese physics b
	2010-04-01
卷号	19期号:4页码:6
关键词	Millimeter wave Lossy dielectric Bloch harmonic Gyrotron-traveling-wave amplifier
ISSN号	1674-1056
DOI	10.1088/1674-1056/19/4/048703
通讯作者	Du chao-hai(duchaohai@gmail.com)
英文摘要	Periodic dielectric-loaded waveguide is one of the diaphragmatic waveguides. for the excellent mode-selective propagation ability, it is of value for applications in gyrotron-traveling-wave amplifiers (gyro-twt), accelerators, and other microwave propagation systems. this paper focuses on studying the application of the strong lossy-dielectric-loaded periodic waveguide in millimeter-wave gyro-twt. it is revealed that due to the lossy property of the dielectric, the energy in the dielectric slots is absorbed effectively and the high order bloch harmonics induced by the periodicity of the structure are suppressed, which changes the discrete spectrum under lossless condition into a continuous one. as a result, the periodicity of the system is severely suppressed and a mode in the hollow region could be approximated by a fast wave mode in an empty waveguide. these results bring specific guidance for the applications of the lossy dielectric-loaded waveguide in gyro-twts and other devices.
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000276936200081
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2415609
专题	中国科学院大学
通讯作者	Du Chao-Hai
作者单位	1.Chinese Acad Sci, Key Lab High Power Microwave Sources & Technol, Inst Elect, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Du Chao-Hai,Liu Pu-Kun,Xue Qian-Zhong. Periodicity-suppressing effect of periodic lossy-dielectric-loaded cylindrical waveguide[J]. Chinese physics b,2010,19(4):6.
APA	Du Chao-Hai,Liu Pu-Kun,&Xue Qian-Zhong.(2010).Periodicity-suppressing effect of periodic lossy-dielectric-loaded cylindrical waveguide.Chinese physics b,19(4),6.
MLA	Du Chao-Hai,et al."Periodicity-suppressing effect of periodic lossy-dielectric-loaded cylindrical waveguide".Chinese physics b 19.4(2010):6.

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