5[6]Tnaka T,Hinode F,Kawai M et al.An Independently Tunable Cells Thermionic RF Gan for Sub-Picosecond Short Pulse.Proceedings of the 2005 FEL Conference.USA:California,2005.142-145
6[7]McNeil B W J.Robb G R M.FELO:A One DimensionalTime-Dependent FEL Oscillator Code.Proceeding of FEL 2006.Germany:BESSY.Berlin,2006.59-60
7Hashimshony D,Zigler A,Papadopoulos D. Phys.Rev Lett.. 2001,86:2806.
8van der Weide D W, Murakowski J, Keilmann F. IEEE Trans Microwave Theory Tech. , 2000, 48 : 740.
9Mourou G A, Stancampiano C V, Antonetti A et al. Appl.Phys. Lett.. 1981.39:295.
10Gomik E, Kersfing R. In: Semiconductors and Semimetals(ed. Tsen K T). San Diego: Academic, 2001.
