In principle, the linear analysis can be applied to efficiently calculating all kinds of beam-wave interaction in various Cherenkov devices composed of axisymmetric SWSs with arbitrary periodic profile.

• 该理论适用于分析具有任意周期性空心圆柱边界形状的Cherenkov器件中任意模式与相对论环形电子注的互作用,该理论拓展了前人的研究成果,对于高功率微波器件的发展具有现实的需求和意义。