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Formation of Laminar Electron Flow for a High-Power Sub-THz Gyrotron

机译:高功率亚太赫兹回旋管层流电子流的形成

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This paper describes the design of a magnetron-injection gun for a 100 kW, 300 GHz gyrotron. With an increase in power and frequency, performance of the gyrotron becomes quite sensitive to the quality of the electron beam. Formation of a laminar electron flow is essential for the realization of a high quality beam with small velocity spread. In this study, a new method is proposed for the evaluation of the laminarity, and applied to the design optimization of the electrodes. It is found that the laminarity depends not only on the conventional design parameter of the cathode slant angle, but also on the spatial distribution of the electric field inside the beam.
机译:本文介绍了用于100 kW,300 GHz回旋管的磁控管注入枪的设计。随着功率和频率的增加,回旋管的性能变得对电子束的质量非常敏感。层流电子流的形成对于实现具有小速度扩展的高质量束至关重要。在这项研究中,提出了一种评估层流的新方法,并将其应用于电极的设计优化。已经发现,层流不仅取决于阴极倾斜角的常规设计参数,而且还取决于电子束内部电场的空间分布。

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