论文标题
带电的粒子束的表面辐射，穿过瓦楞纸的表面，相对较小
Surface radiation of a charged particle bunch passing through a corrugated surface with a relatively small period
论文作者
论文摘要
我们研究了带电粒子束穿过波纹平面导电表面的辐射。假定波纹期和深度远小于所考虑的波长。在这种情况下，可以用一些平滑的表面代替瓦楞纸，在这些表面上可以满足所谓的等效边界条件（EBC）。使用EBC方法，我们获得了以光谱积分形式呈现的束电磁场的表达式。事实证明，束会产生表面波，沿着光速沿波纹传播。另外，我们还提出了根据坐标的表面波电磁场成分的数值计算结果，并证明这些依赖性可用于确定束尺寸。
We investigate radiation of a charged particle bunch moving through a corrugated planar conductive surface. It is assumed that the corrugation period and depth are much less than the wavelengths under consideration. In this case, the corrugated structure can be replaced with some smooth surface on which the so-called equivalent boundary conditions (EBC) are fulfilled. Using the EBC method we obtain expressions for the electromagnetic field of the bunch which are presented in form of spectral integrals. It is demonstrated that the bunch generates surface waves propagating along the corrugations with the light velocity. Also we present results of numerical calculations for electromagnetic field components of surface waves depending on coordinates and show that these dependences can be used for determination of the bunch size.
