射频相位调制局域混沌在相空间稀释中的应用
Application of a Localized Chaos Generated by RF-Phase Modulations in Phase-Space Dilution
摘要：
利用局部相空间区域中的混沌物理产生纵向均匀分布的光束。采用理论研究和数值模拟相结合的方法，研究了该方法的原理及其在光束束团相空间稀释中的适用性。通过对双射频系统的相位调制，叠加的参数共振产生了一个由不变环面包围的局域混沌中心区域。分析了混沌的条件和稳定性。应用包括高功率束流、束流分布均匀化和工业束流辐照。
英文摘要：
Physics of chaos in a localized phase-space region is exploited to produce a longitudinally uniformly distributed beam. Theoretical study and %numerical simulations are used to study its origin and applicability in phase-space dilution of beam bunch. Through phase modulation to a double-rf system, a central region of localized chaos bounded by invariant tori are generated by overlapping parametric resonances. Condition and stability of the chaos will be analyzed. Applications include high-power beam, beam distribution uniformization, and industrial beam irradiation.
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