In this paper, a new high power and wideband amplifier with permanent periodic magnet (PPM) focusing is presented. It consists of klystron and FEM.
提出了一种新的高功率宽带放大器，它由速调管和自由电子脉塞组成，用永久周期磁铁聚焦。
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A double focusing, non spatial dispersion magnet design has been suggested to substitute the achromatic principle for improving the beam characteristics on target of the medical accelerator.