Study on Optimization of PKU SASE FEL

DING Yuan-Tao; HUANG Sen-Lin; ZHAO Kui; QUAN Sheng-Wen; XIANG Rong; WANG Yu-Gang; CHEN Jia-Er

Chinese Physics C> 2004, Vol. 28> Issue(4) : 441-445

Study on Optimization of PKU SASE FEL

Institute of Heavy Ion Physics,Peking University,Beijing 100871,China

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Abstract：
We present the layout of Peking University SASE FEL facility (PKU-FEL) to be driven by a superconducting accelerator currently under construction. PKU-FEL is a test facility to study the physical and technical issues of single pass SASE FEL. The study of theoretical model and numerical simulation for the design of PKU-FEL is described. Optimized hybrid planar undulator parameter are got in this paper. The influences of electron beam properties including peak current, emittance, energy spread and pulse duration are discussed. With the optimized parameter, PKU FEL is designed to get saturation at 7 micron with a 5-meter long hybrid undulator.

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DING Yuan-Tao, HUANG Sen-Lin, ZHAO Kui, QUAN Sheng-Wen, XIANG Rong, WANG Yu-Gang and CHEN Jia-Er. Study on Optimization of PKU SASE FEL[J]. Chinese Physics C, 2004, 28(4): 441-445.

DING Yuan-Tao, HUANG Sen-Lin, ZHAO Kui, QUAN Sheng-Wen, XIANG Rong, WANG Yu-Gang and CHEN Jia-Er. Study on Optimization of PKU SASE FEL[J]. Chinese Physics C, 2004, 28(4): 441-445. shu

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Received: 2003-08-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on Optimization of PKU SASE FEL

Corresponding author: DING Yuan-Tao,

Institute of Heavy Ion Physics,Peking University,Beijing 100871,China

Received Date: 2003-08-22
Accepted Date: 1900-01-01
Available Online: 2004-04-05

Abstract: We present the layout of Peking University SASE FEL facility (PKU-FEL) to be driven by a superconducting accelerator currently under construction. PKU-FEL is a test facility to study the physical and technical issues of single pass SASE FEL. The study of theoretical model and numerical simulation for the design of PKU-FEL is described. Optimized hybrid planar undulator parameter are got in this paper. The influences of electron beam properties including peak current, emittance, energy spread and pulse duration are discussed. With the optimized parameter, PKU FEL is designed to get saturation at 7 micron with a 5-meter long hybrid undulator.