基于矩量法的ECH传输线波束对准

H. Idei, T. Shimozuma, T. Notake, S. Ito, S. Kubo, M. Shapiro, J. Anderson, R. Temkin, K. Ohkubo
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引用次数: 2

摘要

在84 GHz CPI回旋管中,在TE/sub 15.3 /振荡模式下,采用单级抑制集电极,在管中安装几何光学Vlasov变换器,将模式转换为高斯光束。可以测量强度和相位模式的低功率测试台是在国家聚变科学研究所(NIFS)准备的。利用矩量法从测量的光强和相位曲线推导出准光束的大小和倾斜角度。将类高斯光束耦合到HE/sub - 11/波纹波导中,并调整倾斜角度。用矩量法分析了耦合后波导的辐射光束。本文还讨论了辐射光束中的高斯含量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Beam alignment of ECH transmission line using moment method
In the 84 GHz CPI gyrotron, with a single-stage depressed collector in the TE/sub 15,3/ oscillating mode, a geometric optics Vlasov converter was installed in the tube to convert the mode into a Gaussian beam. The low power test stand where intensity and phase patterns can be measured was prepared at the National Institute for Fusion Science (NIFS). The sizes and tilt angles of quasi-optical beams are deduced from the measured intensity and phase profiles using the moment method. The Gaussian-like beam is coupled into the HE/sub 11/ corrugated waveguide with tilt angle adjustment. The beam radiated from the waveguide after coupling is analyzed with the moment method. The Gaussian content in the radiated beam is also discussed.
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