环形电子束X-波段相对论速调管实验研究
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摘要: 相对论速调管放大器试验中，采用强流环形电子束，可提供器件更大的脉冲功率，虽然电子束—微波转换效率有所降低，但可望获得更大的辐射功率。另外，研究表明由于采用环形电子束，相互作用间隙中出现静电绝缘现象，有助于提高腔的功率容量而避免打火现象。我们利用为实心束而设计的相对论速调管放大器，适当改变有关参数，获得大于5MW的微波输出，电子束参数为550keV,500A。Abstract: Annular intense beam for relativistic klystron can offer much higher DC power. Even the efficiency is decreased, a higher radiation can be expected. At the same time, annular intense beam can provide electrostatic insulation, thereby preventing the RF breakdown across a gap that is normally expected in the generation of high power RF. More than 5MW radiation is observed.
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Key words:
- annular intense beam /
- relativistic klystron
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