Qushan Chen, Bin Qin, Kaifeng Liu, et al. Design and testing of focusing magnets for a compact electron linac. Nuclear Instruments and Methods in Physics Research A. 2015, 798: 74-79.
Q. Chen, B. Qin, P. Tan, et al. Design of RF chopper system for improving beam quality in FEL injector with thermionic gun. Nuclear Instruments and Methods in Physics Research A. 2014, 755: 78-84.
CHEN Qu-Shan, PEI Yuan-Ji, HU Tong-Ning, et al. A novel method for rigorously analyzing beam loading effect based on the macro-particle model. Chinese Physics Letters. 2014, 31(1): 012902.
Q. Chen, T. Hu, B. Qin, et al. Focusing magnetic field design for a FEL linac. In Proceedings of IPAC2013. Shanghai, China. 2013: 1949-1951.