TITLE:
Cryogenic System for PKU-FEL
AUTHORS:
Lianyou Xiong, Nan Peng, Wenhai Lu, Liqiang Liu, Xiaojun Liu, Jing Li, Liya Ma, Bing Dong, Yongcheng Jiang, Jiancheng Tang, Liang Zhang
KEYWORDS:
Free Electron Laser; Superconducting Accelerator; Cryogenic System
JOURNAL NAME:
Journal of Modern Physics,
Vol.4 No.6A,
June
25,
2013
ABSTRACT:
PKU-FEL based on superconducting (SC) accelerator facility is under construction at PekingUniversity. It will run in IR (5 - 10 μm) and THz (100 - 3000 μm) region as an ideal experimental FEL platform for universities. The SC accelerator facility is composed of a DC-SC injector and a 1.3-GHz 2 × 9-cell SC accelerator. In order to better the performance, the injector and the accelerator are bath-cooled by 2 K super fluid helium in cryostats. A 2 K cryogenic system has been designed, constructed and assembled.