一种新的消色差等时性磁偏转系统
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摘要: 描述了一种新的消色差等时性磁偏转系统。它由二个反对称的预偏磁铁和一个主偏磁铁构成。根据六维传输矩阵导出了系统的消色差和等时性关系式。该系统具有优良的消色差性、等时性和良好的聚焦特性。这种结构紧凑的三磁铁偏转系统适用于自由电子激光器的束流传输。Abstract: A new achromatic isochronous deflection system is described. It consists of three magnets: two small anti – symmetric dipoles and one dipole with over 90° bending angle. The achromatic and isochronous relations for the system are obtained by six dimension transport matrix method. The system is characterized by excellent achromatic and isochronous properties and compact configuration. The three ?magnet bending system is suitable for linac beam deflection of free ?electron laser facility.
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Key words:
- beam transport /
- achromatic isochronous deflection /
- three – magnet system /
- fel
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