[1] Kowarz M W. Homogeneous and evanescent contributions in scalar near-field diffraction [J]. Appl. Opt., 1995,34(17): 3055-3063.
[3] Porras M A. Finiteness and propagation law of the power density second-order moment for diffracted scalar light beams [J]. Optik, 1999, 110(9): 417-420.
[6] Lalor E. Conditions for the validity of the angular spectrum of plane waves [J]. J. Opt. Soc. Am., 1968, 58(9):1235-1237.