Operation of a 500 kW, 84 GHz, long pulse gyrotron with collector potential depression

T. S. Chu, M. Blank, P. Borchard, P. Cahalan, S. Cauffman, K. Felch, H. Jory
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引用次数: 22

Abstract

High-power, long-pulse or CW millimeter-wave sources are required in electron cyclotron heating or current drive for fusion experiments. Gyrotron oscillators have served as effective sources in this area for many years. Developments in using diamond for the output window have eliminated one of the obstacles to realizing high-power, long-pulse devices. At CPI, various programs are underway to deliver long-pulse or CW, high-power gyrotrons. In particular, we have completed the construction and test of an 84 GHz, 500 kW, 2-s-pulse gyrotron for Pohang University of Science and Technology. In addition to features that are similar to other high-power gyrotrons, like the internal converter, diode gun, and diamond window, the 84 GHz gyrotron also includes a single-stage depressed collector. In this paper, we summarize the basic design of the 84 GHz gyrotron and report on the experimental results of the 500 kW, long-pulse operation.
500kw, 84 GHz,长脉冲回旋管的运行,集电极电位下降
在电子回旋加热或核聚变实验的电流驱动中,需要大功率、长脉冲或连续毫米波源。回旋管振荡器多年来一直是这一领域的有效来源。金刚石作为输出窗口的发展已经消除了实现高功率、长脉冲器件的一个障碍。在CPI,各种项目正在进行中,以提供长脉冲或连续波,高功率回旋管。特别是,我们为浦项理工大学完成了84 GHz、500 kW、2s脉冲回旋加速器的建设和测试。除了与其他高功率回旋管类似的功能,如内部转换器、二极管枪和钻石窗,84 GHz回旋管还包括一个单级压抑集电极。本文总结了84 GHz回旋管的基本设计,并报道了500 kW长脉冲工作的实验结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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