[2] [2] Bernd Ruffing. Application of speckle-correlation methods to surface-roughness measurement: a theoretical study[J]. Opt. Soc. Am. A, 1986, 3(8): 1297～1304

[4] [4] Peter Lehmann, Stefan Patzelt, Armin Schne. Surface roughness measurement by means of polychromatic speckle elongation[J]. Appl. Opt., 1997, 36(10): 2188～2197

[5] [5] Peter Lehmann. Aspect ratio of elongated polychromatic far-field speckles of continuous and discrete spectral distribution with respect to surface roughness characterization[J]. Appl. Opt., 2002, 41(10): 2008～2014

[6] [6] C. T. Stansberg. Surface roughness measurements by means of polychromatic speckle patterns[J]. Appl. Opt., 1979, 18(23): 4051～4060

[7] [7] N. Nagamatsu, K. Nakagawa, T. Asakura. The autocorrelation function of polychromatic laser speckle patterns near the image plane[J]. Opt. and Quant. Electron., 1983, 15(6): 507～512

[8] [8] Y. Tomita, K. Nakagawa, T. Asakura. Fibrous radial structure of speckle patterns in polychromatic light[J]. Appl. Opt., 1980, 19(18): 3211～3218

[9] [9] T. Iwai, N. Takai, T. Asakura. Statistical properties of the dynamic dichromatic laser speckle[J]. Opt. Commun., 1982, 44(1): 13～18

[10] [10] J. A. Ogilvy. Theory of Wave Scattering from Random Rough Surfaces[M]. Bristol: Adam Hilger, 1991