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	THz Broadband Quasi-Optical Mode Converter Antenna System
	Du, Chao-Hai ; Pan, Shi ; Liu, Pu-Kun
	2016
关键词	THz Quasi-Optical coherent radiation gyrotrons TUNABLE GYROTRON HIGH-POWER DESIGN
英文摘要	This paper presents a broadband quasi-optical (QO) mode converter antenna system, which can transfer a waveguide TE62 mode into free-space Gaussian beam around 330 GHz. The converter contains a Vlasov launcher and three reflector mirrors. Special considerations, including a reasonably large aperture of the Vlasov launcher and the optimized combination of two elliptic reflectors and a bifocal parabolic reflector, are the keys to achieve broadband mode converting. The optimized converter is well compatible with the gyrotron electron-optical system and generates Gaussian beam with efficiency higher than 80% in a broadband range between 310-340 GHz. The principle of the broadband converter can also be applied to gyrotron amplifiers, even other gyrotron devices.; CPCI-S(ISTP); duchaohai@pku.edu.cn; pkliu@pku.edu.cn; 14-16
语种	英语
出处	9th IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT)
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/459839]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Du, Chao-Hai,Pan, Shi,Liu, Pu-Kun. THz Broadband Quasi-Optical Mode Converter Antenna System. 2016-01-01.

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