丝绒多脉冲发射特性研究

IVESC 2004. The 5th International Vacuum Electron Sources Conference Proceedings (IEEE Cat. No.04EX839) Pub Date : 2004-09-06 DOI:10.1109/IVESC.2004.1414181

L. Xia, Kaizhi Zhang, Linwen Zhang

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摘要

对丝绒在多脉冲模式下的电子发射特性进行了研究。真空二极管电压为双脉冲1MV，四脉冲500kV。脉冲间隔为400ns。研究表明，在多脉冲模式下，丝绒发射不均匀，导致束流衰减的主要原因是阴极等离子体运动。

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Research on velvet's multi-pulse emitting

Some results were made on velvet's electron emitting characteristics under multi-pulse mode. The vacuum diode voltages are 1MV for two-pulse mode and 500kV for four-pulse mode. Pulse to pulse separation is 400ns. The research indicates that under multi-pulse mode velvet's emitting is not uniform and what leads to beam's degradation is cathode plasma motion.

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IVESC 2004. The 5th International Vacuum Electron Sources Conference Proceedings (IEEE Cat. No.04EX839)

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