[1] Sarachik E,Schappert G.Classical theory of the scattering of intense laser radiation by free electrons. Phys. Rev. D, 1970,1;10:2738~2757
[2] Yu Wei,Yu M Y,Ma J X et al..Strong frequency up-conversion by nonlinear Thomson scattering from relativistic electrons.Phys.of Plasma,1998,5;2:406~409
[3] Jackson J D.Classical Electrodynamics,New York: John Wiley Sons,1975.