Multiple light scattering from disordered media : the effect of brownian motion of scatterers

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1987
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Wolf, Pierre-Etienne
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Zeitschrift f�r Physik B Condensed Matter. 1987, 65(4), pp. 409-413. ISSN 0722-3277. Available under: doi: 10.1007/BF01303762
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We have measured the time autocorrelation function of the light intensity multiply scattered from turbid aqueous suspensions of submicron size polystyrene spheres in directions near backscattering. It is found strongly non-exponential at short times revealing the very fast decay of coherence in extended scattering loops due to the thermal motion of the many spheres involved; the longest living decay time is found remarkably close to the single particle backscattering relaxation time even under conditions of interparticle interactions. These features are only weakly affected by the particular interference effect between time-reversed pairs of loops giving rise to the coherent backscattering enhancement. A simple argument is presented which accounts for these observations.

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ISO 690WOLF, Pierre-Etienne, Georg MARET, 1987. Multiple light scattering from disordered media : the effect of brownian motion of scatterers. In: Zeitschrift f�r Physik B Condensed Matter. 1987, 65(4), pp. 409-413. ISSN 0722-3277. Available under: doi: 10.1007/BF01303762
BibTex
@article{Wolf1987Multi-16683,
  year={1987},
  doi={10.1007/BF01303762},
  title={Multiple light scattering from disordered media : the effect of brownian motion of scatterers},
  number={4},
  volume={65},
  issn={0722-3277},
  journal={Zeitschrift f�r Physik B Condensed Matter},
  pages={409--413},
  author={Wolf, Pierre-Etienne and Maret, Georg}
}
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