Dark speckle imaging of colloidal suspensions in multiple light scattering media

Heckmeier, Michael; Maret, Georg

Dark speckle imaging of colloidal suspensions in multiple light scattering media

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Date

1997

Authors

Heckmeier, Michael

Maret, Georg

Publication type

Contribution to a collection

Published in

Optical Methods and Physics of Colloidal Dispersions / Palberg, T.; Ballauff, M. (ed.). - Darmstadt : Steinkopff, 1997. - (Progress in Colloid & Polymer Science). - pp. 12-16. - ISBN 978-3-7985-1085-2

Abstract

Quasielastic multiple light scattering experiments have been performed on suspensions of particles in brownian motion embedded inside a solid turbid medium. The photon transport mean free path of the suspension and of its solid environment where adjusted to be identical. We show that by selecting a minimum intensity spot of the speckle pattern generated by the solid medium, it is possible to visualize objects which would be undetectable with common optical techniques. Our results are shown to be in agreement with a diffusion theory for the location of strongly absorbing objects inside multiple scattering media.

Subject (DDC)

530 Physics

Keywords

colloidal suspensions,multiple light scattering,imaging,heterogeneous media,speckle fluctuations

Cite This

ISO 690

HECKMEIER, Michael, Georg MARET, 1997. Dark speckle imaging of colloidal suspensions in multiple light scattering media. In: PALBERG, T., ed., M. BALLAUFF, ed.. Optical Methods and Physics of Colloidal Dispersions. Darmstadt:Steinkopff, pp. 12-16. ISBN 978-3-7985-1085-2. Available under: doi: 10.1007/BFb0110739

BibTex

@incollection{Heckmeier1997speck-17589,
  year={1997},
  doi={10.1007/BFb0110739},
  title={Dark speckle imaging of colloidal suspensions in multiple light scattering media},
  isbn={978-3-7985-1085-2},
  publisher={Steinkopff},
  address={Darmstadt},
  series={Progress in Colloid & Polymer Science},
  booktitle={Optical Methods and Physics of Colloidal Dispersions},
  pages={12--16},
  editor={Palberg, T. and Ballauff, M.},
  author={Heckmeier, Michael and Maret, Georg}
}

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