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Two-color cross-correlation in small-angle static light scattering
1998
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
We have measured by means of a charge-coupled device sensor the space correlation function between two speckle fields at different wavelengths. The fields are generated from the scattering of a two-color laser beam from a stationary, three-dimensional sample. In general, the speckle fields attain their maximum degree of correlation when the scattering angles are properly scaled according to a grating dispersion rule. The degree of correlation, however, depends both on the thickness of the
doi:10.1103/physreve.57.3485
fatcat:ejq2dnjsdndz3hilcyrlxwu73i