纯永磁波荡器磁场计算的三维修正
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摘要: 用归一化量对纯永磁波荡器的磁场进行三维计算分析，讨论了一般情况下有限磁极宽度的三维修正以及对好场区的影响，给出了磁极宽度对通常二维近似的修正曲线以及在不同磁极宽度下相对场强的横向变化曲线。Abstract: The 3D magnetic field is calculated and analyzed using normalized dimensions for PPM undulator. The 3D modify and the effect on the good field region of the magnet pole width are discussed for general case. The modify curve of the magnet pole width to the usually 2D approximation and the field transverse variation curve for various magnet pole widths are given
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Key words:
- undulator /
- 3d modify /
- good field region
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