Progress in reducing the back-bombardment effect in the itc-RF gun for t-acts project at Tohoku university

X. Li, S. Kashiwagi, M. Kawai, F. Hinode, K. Nanbu, T. Muto, F. Miyahara, Y. Tanaka, H. Hama

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

An ITC (independently tunable cells) thermionic RF gun has been developed as the electron source for coherent terahertz radiations at Tohoku University. Both experiments and simulations have shown that the back-bombardment (B.B.) effect on the LaB6 cathode is a serious issue for stable operation. A numerical model has been developed to evaluate the increase of the cathode temperature due to B.B. in which the 2D equation for heat conduction is solved by taking the back-streaming electrons into account. Using this model we have studied the possibility of suppressing the B.B. by imposing external dipole field and by optimization of the cathode size, compared with experimental data. The results will be reported here.

本文言語English
ホスト出版物のタイトルIPAC 2012 - International Particle Accelerator Conference 2012
ページ643-645
ページ数3
出版ステータスPublished - 2012
イベント3rd International Particle Accelerator Conference 2012, IPAC 2012 - New Orleans, LA, United States
継続期間: 2012 5 202012 5 25

出版物シリーズ

名前IPAC 2012 - International Particle Accelerator Conference 2012

Other

Other3rd International Particle Accelerator Conference 2012, IPAC 2012
国/地域United States
CityNew Orleans, LA
Period12/5/2012/5/25

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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