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Rapid high resolution imaging of diffusive properties in turbid media

Scheffold, Frank ; Block, Ian D.

In: Optics Express, 2012, vol. 20, no. 1, p. 192-200

We propose a laser speckle based scheme that allows the analysis of local scattering properties of light diffusely reflected from turbid media. This turbid medium can be a soft material such as a colloidal or polymeric material but can also be biological tissue. The method provides a 2D map of the scattering properties of a complex, multiple scattering medium by recording a single image. We...

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Modulated 3D cross-correlation light scattering: Improving turbid sample characterization

Block, Ian D. ; Scheffold, Frank

In: Review of Scientific Instruments, 2010, vol. 81, no. 12, p. 123107

Accurate characterization using static light scattering (SLS) and dynamic light scattering (DLS) methods mandates the measurement and analysis of singly scattered light. In turbid samples, the suppression of multiple scattering is therefore required to obtain meaningful results. One powerful technique for achieving this, known as 3D cross-correlation, uses two simultaneous light scattering...

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