横模谱方法与孔耦合FEL振荡器数值模拟
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摘要: 横模谱方法广泛应用于自由电子激光振荡器数值模拟。以孔耦合波导FEL振荡器的模型问题为例，通过对数值结果的分析和比较，说明横模谱方法的应用效果取决于诸多物理因素，在孔耦合情形下，主要取决于孔耦合效应及其引起的腔内光场横模结构的发展变化。Abstract: The transverse model spectral method is widely applied to numerical simulations of FEL oscillators . It is shown that the efficiency of the method is determined by several physical factors, and in the cases of holecoupled oscillators the efficiency is influenced mainly by the holecoupling effect and the varying transverse model structure of intracavity optical field.
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