论文标题

波导中的束辐射,其区域具有深层波纹和光滑的壁

Radiation of a bunch in a waveguide having areas with deeply corrugated and smooth walls

论文作者

Alekhina, Tatiana Yu., Tyukhtin, Andrey V.

论文摘要

我们分析了从圆形波导中均匀移动并在两个区域之间越过边界的一束辐射:带有波纹壁和光滑的壁之间的边界。假定波纹期远小于所考虑的波长。但是,在我们透明的作品的差异中,波纹深度与波长的顺序相同。使用等效边界条件的方法研究了波纹对电磁场的影响。首先,我们考虑了常规的波纹波导。然后研究了两种瓦楞和光滑区域之间边界的波导的情况:首先,当束从瓦楞纸从瓦楞纸散发到光滑的部分中,而第二,当束束从光滑的部分飞入波纹部分时。我们获得并分析了两个区域中田间成分的分析表达式,并揭示了束辐射的主要物理特性。

We analyze radiation from a bunch that uniformly moves in a circular waveguide and crosses the boundary between two areas: with a corrugated wall and with a smooth wall. It is assumed that the corrugation period is much less than the wavelengths under consideration. However, in difference with our pervious works, the corrugation depth is of the same order as the wavelength. The influence of corrugation on the electromagnetic field is investigated using the method of equivalent boundary conditions. At first, we consider a regular corrugated waveguide. Then two cases of the waveguides with boundaries between the corrugated and smooth regions is studied: first, when the bunch flies out of the corrugated part into the smooth one, and second, when the bunch flies into the corrugated part from the smooth one. We obtain and analyze the analytical expressions for the field components in both areas and reveal the main physical peculiarities of the bunch radiation.

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