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Design and Simulation Analysis of a Magnetron Injection Gun for a 0.42 THz Second Harmonic Gyrotron

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Abstract

A double anode magnetron injection gun (MIG) for a 0.42 THz second harmonic gyrotron has been presented in this paper. Through design, simulation and optimization by the particle-in-cell code, a double-anode electron gun with maximum transverse velocity spread of 3.19 % is obtained, the beam acceleration voltage is 50 kV, operating current is 5.5 A and the ratio of the transverse velocity to the axial velocity is equal to 1.4. A comprehensive analysis of MIG for 0.42 THz second harmonic gyrotron is presented, and the designed electron gun well satisfies the requirement of the 0.42 THz gyrotron.

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Acknowledgments

This work is supported in part by the national Basic Research Program under Grant 2014 CB33980 and in part by the national Natural Science Foundation of China under Grant 61231005.

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Authors and Affiliations

  1. Terahertz Science and Technology Research Center, School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, China

    Yanyan Zhang, Sheng Yu, Tianzhong Zhang, Youwei Yang & Qixiang Zhao

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  1. Yanyan Zhang
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  2. Sheng Yu
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  3. Tianzhong Zhang
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Correspondence to Yanyan Zhang.

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Zhang, Y., Yu, S., Zhang, T. et al. Design and Simulation Analysis of a Magnetron Injection Gun for a 0.42 THz Second Harmonic Gyrotron. J Fusion Energ 34, 1385–1391 (2015). https://doi.org/10.1007/s10894-015-9977-5

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  • DOI: https://doi.org/10.1007/s10894-015-9977-5

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