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Emittance Growth Due to the Nonlinear RF Field Near the Cathode of RF Electron Gun

机译:射频电子枪阴极附近的非线性射频场导致的发射率增长

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摘要

RF effect and space charge effect are the main sources of the emittance growth in the RF electron gun. The single particle dynamics near the cathode is discussed, and the emittance growth due to RF nonlinear force and time-dependent force are studied in detail. Comparison with the emittance at the gun exit shows that the emittance growth due to nonlinear RF effect near the cathode can not be neglected.
机译:射频效应和空间电荷效应是射频电子枪中发射率增长的主要来源。讨论了阴极附近的单粒子动力学,并详细研究了由于射频非线性力和随时间变化的力导致的发射率增长。与喷枪出口处的发射率比较表明,不能忽略由于阴极附近的非线性RF效应引起的发射率增长。

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