Direct Determination of Diffusion Properties of Random Media from Speckle Contrast

Details Direct Determination of Diffusion Properties of Random Media from Speckle Contrast Direct Determination of Diffusion Properties of Random Media from Speckle Contrast

2011-04-29

arxiv.org/abs/1104.5554v1

Opt. Lett. 36, 3332 (2011)

Physics

Optics

4 pages, 2 figures

Scientific paper

10.1364/OL.36.003332

We present a simple scheme to determine the diffusion properties of a thin slab of strongly scattering material by measuring the speckle contrast resulting from the transmission of a femtosecond pulse with controlled bandwidth. In contrast with previous methods, our scheme does not require time measurements nor interferometry. It is well adapted to the characterization of samples for pulse shaping, non-linear excitation through scattering media and biological imaging.

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