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Speckles generated by skewed, short-coherence light beams

Brogioli, Doriano ; Salerno, D. ; Croccolo, Fabrizio ; Ziano, R. ; Mantegazza, F.

In: New Journal of Physics, 2011, vol. 13, p. 123007

When a coherent laser beam impinges on a random sample (e.g. a colloidal suspension), the scattered light exhibits characteristic speckles. If the temporal coherence of the light source is too short, then the speckles disappear, along with the possibility of performing homodyne or heterodyne scattering detection or photon correlation spectroscopy. Here we investigate the scattering of a so-called...