[1] [1] BORN M,WOLF E.Principle of

[2] [2] optics[M].7th ed.Combridge:Combridge University Press,1999.

[3] [3] CAO Qing,DENG Xi-ming,GUO Hong.Accurate expression of light intensity at transverse

[5] [5] AGRAWAL G P.Gaussian beam propagation beyond the paraxial approximation[J].J Opt Soc Am

[6] [6] A,1979,69(4):575-578.

[7] [7] LAABS H,FRIBERG A T.Nonparaxial eigenmodes of stable resonators[J].IEEE J Quantum

[8] [8] Electron,1999,35(2):198-207.

[9] [9] ZENG X,LIANG C,AN Y.Far-field propagation of an off-axis Gaussian wave[J].Appl

[10] [10] Opt,1999,38(30):6253-6256.

[11] [11] CHEN C G,KONKOLA P T,FERRERA J,et al.Analyses of vector gaussian beam propagation and

[12] [12] the validity of paraxial and spherical approximations[J].J Opt Soc Am

[13] [13] A,2002,19(2):404-412.

[14] [14] CASPERSON L W,HALL D G,TOVAR A A.Sinusoidal-gaussian beams in complex optical

[15] [15] system[J].J Opt Soc Am A,1997,14(12):3341-3348.

[16] [16] LUNEBURG R K.Mathematical theory of optics[M].Berkeley California:University of

[17] [17] California Press,1966.

[18] [18] KANG Xiao-ping,L(U) Bai-da.A comparative study on two definitions of the M2 factor of

[20] [20] YE Qing,SHEN Chang-yu,NIU Yue-ping,et al.Interaction of spatial Non-paraxial laser

[22] [22] LU Da-quan,HU Wei,ZHENG Yi-zhou,et al.The analysis of the Non-paraxial effects of the