Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT

Abstract A novel planar distributed three-beam electron gun with narrow beam separations is designed based on grids loaded sheet beam method. The dimensions of the three-beam gun in the y–O-z plane are determined using our basic theoretical design method developed for sheet beam gun. The results sho...

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Autores principales:	Cunjun Ruan, Pengpeng Wang, Huafeng Zhang, Yiyang Su, Jun Dai, Yikun Ding, Zheng Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0efa4746e5144beab4033c57fa840039
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spelling	oai:doaj.org-article:0efa4746e5144beab4033c57fa8400392021-12-02T14:01:36ZDesign of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT10.1038/s41598-020-80276-32045-2322https://doaj.org/article/0efa4746e5144beab4033c57fa8400392021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80276-3https://doaj.org/toc/2045-2322Abstract A novel planar distributed three-beam electron gun with narrow beam separations is designed based on grids loaded sheet beam method. The dimensions of the three-beam gun in the y–O-z plane are determined using our basic theoretical design method developed for sheet beam gun. The results show that the profile of focusing electrode in the y–O-z plane is related to the beam width in the x-O-z plane. Then, the characteristics and parameters of three-beam array formation with their stability are analyzed thoroughly by adjustment of control grids in the x-O-z plane. Each of the beamlet obtained is with a small axial deviation of the two transverse waists. Based on the theoretical analysis and simulations, the planar three-beam electron gun is constructed with the beam voltage of 22 kV and the current of 3 $$\times$$ × 0.15 A. The average radius of 0.08 mm at each beam waist is obtained with the compression factor of 4 for the 0.18 mm beam tunnel radius. The beam waist can be achieved at about 4.4 mm away from the cathode with the axis separation about 0.46 mm for each of beamlet. Thus, the design method can be generally used to construct such type of narrow beam separation and planar distributed multiple beam electron gun for the miniaturization and integrated vacuum electron devices in millimeter wave and terahertz band.Cunjun RuanPengpeng WangHuafeng ZhangYiyang SuJun DaiYikun DingZheng ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Cunjun Ruan Pengpeng Wang Huafeng Zhang Yiyang Su Jun Dai Yikun Ding Zheng Zhang Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT
description	Abstract A novel planar distributed three-beam electron gun with narrow beam separations is designed based on grids loaded sheet beam method. The dimensions of the three-beam gun in the y–O-z plane are determined using our basic theoretical design method developed for sheet beam gun. The results show that the profile of focusing electrode in the y–O-z plane is related to the beam width in the x-O-z plane. Then, the characteristics and parameters of three-beam array formation with their stability are analyzed thoroughly by adjustment of control grids in the x-O-z plane. Each of the beamlet obtained is with a small axial deviation of the two transverse waists. Based on the theoretical analysis and simulations, the planar three-beam electron gun is constructed with the beam voltage of 22 kV and the current of 3 $$\times$$ × 0.15 A. The average radius of 0.08 mm at each beam waist is obtained with the compression factor of 4 for the 0.18 mm beam tunnel radius. The beam waist can be achieved at about 4.4 mm away from the cathode with the axis separation about 0.46 mm for each of beamlet. Thus, the design method can be generally used to construct such type of narrow beam separation and planar distributed multiple beam electron gun for the miniaturization and integrated vacuum electron devices in millimeter wave and terahertz band.
format	article
author	Cunjun Ruan Pengpeng Wang Huafeng Zhang Yiyang Su Jun Dai Yikun Ding Zheng Zhang
author_facet	Cunjun Ruan Pengpeng Wang Huafeng Zhang Yiyang Su Jun Dai Yikun Ding Zheng Zhang
author_sort	Cunjun Ruan
title	Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT
title_short	Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT
title_full	Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT
title_fullStr	Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT
title_full_unstemmed	Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT
title_sort	design of planar distributed three beam electron gun with narrow beam separation for w band staggered double vane twt
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/0efa4746e5144beab4033c57fa840039
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Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT

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