[9] [9] BARAKAT R.The influence of random wavefront errors on the imaging characteristics of an optical system[J].Optica Acta,1971,18(9):683-694.

[10] [10] WILLIAMS W,AUERBAM J,HUNT J,et al..NIF optics phase gradient specification[R].Report UCRL-ID-127297,1997.

[11] [11] LAWSON J K,AUERBACH J M,ENGLISH R E,et al..NIF Optical specifications-the importance of the RMS gradient[R].Report UCRL-JC-130032,1998.

[13] [13] SZIKLAS E A,SIEGMAN A E.Diffraction calculation using fast Fourier transform methods[J].IEEE,1974:410-412.