飞秒电子束装置的初步实验结果
Preliminary results of a femto-second electron bunch facility
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摘要: 上海应用物理研究所建造并调试了一台飞秒电子束装置。这台装置主要由一把S波段热阴极微波电子枪、一台alpha磁铁和一根SLAC型加速管组成。这台装置可以产生能量为 20~30 MeV，峰值电流为100 A，微束团长度为250 fs的电子束。这篇文章报道了这台装置的调试和电子束团参数的测量。Abstract: A femto-second electron bunch facility has been constructed and commissioned at the Shanghai Institute of Applied Physics(SINAP). The linac of this facility consists of an S-band thermionic cathode RF-gun, an alpha magnet and a SLAC-type accelerating tube to generate a beam, then compress the micro-bunches, and finally accelerate the beam to 20~30 MeV. Preliminary experimental result shows that the length of the micro-bunches is about 250 fs. The measured beam parameters of this facility are presented in this paper.
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Key words:
- rf gun /
- femto-second electron beam /
- thz radiation source
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