Design of new structure of transition region for periodic permanent magnetic focusing

deng guang-sheng; lu guo-qiang; chen zeng-quan; yang lei; li ze-lun; cai fei

Volume 19 Issue 07

Mar. 2012

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(07): 0-

deng guang-sheng, lu guo-qiang, chen zeng-quan, et al. Design of new structure of transition region for periodic permanent magnetic focusing[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

deng guang-sheng, lu guo-qiang, chen zeng-quan, et al. Design of new structure of transition region for periodic permanent magnetic focusing[J]. High Power Laser and Particle Beams, 2007, 19.

deng guang-sheng, lu guo-qiang, chen zeng-quan, et al. Design of new structure of transition region for periodic permanent magnetic focusing[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

deng guang-sheng, lu guo-qiang, chen zeng-quan, et al. Design of new structure of transition region for periodic permanent magnetic focusing[J]. High Power Laser and Particle Beams, 2007, 19.

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Design of new structure of transition region for periodic permanent magnetic focusing

1.
School of Instrument Scinence and Opto-electronic Engineering,Hefei University of Technology,Hefei 230009,China;
2.
Zhejiang University of Science and Technology,Hangzhou 310012,China

Publish Date: 2007-07-15

Abstract

Abstract

Considering that generation and maintain of small radius, high power beam is restricted by the compression ratio of electron gun, the effect of magnetic field on electron trajectories in transition region was analyzed. A method was presented to compress the beam by changing the magnetic field in transition region gradually. Compared with the traditional one, the method requires lower compression of electron gun while providing small radius beam for interaction, it also optimizes the beam quality. The method was used to simulate an electron optical system for Ku-band 6 kW TWT, some good results are obtained.
- periodic permanent magnetic focusing,
- transition region,
- compression ratio,
- software simulation

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