Effect of desorbed gas on microwave breakdown on vacuum side of dielectric window
Pengcheng 朋程 ZHAO 赵,
Zhongyu 忠玉 LIU 刘,
Rui 瑞 WANG 王
et al.
Abstract:The gas desorbed from the dielectric surface has a great influence on the characteristics of microwave breakdown on the vacuum side of the dielectric window. In this paper, the dielectric surface breakdown is described by using the electromagnetic particle-in-cell-Monte Carlo collision (PIC-MCC) model. The process of desorption of gas and its influence on the breakdown characteristics are studied. The simulation results show that, due to the accumulation of desorbed gas, the pressure near the dielectric surfac… Show more
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