Beyond the Diffusing-Wave Spectroscopy Model for the Temporal Fluctuations of Scattered Light
- 28 May 2004
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 92 (21), 213903
- https://doi.org/10.1103/physrevlett.92.213903
Abstract
We extend the theory of diffusing-wave spectroscopy using a random-walk approach and a numerical solution of the radiative transfer equation. The theory is not restricted to the diffusive regime and allows one to describe the crossover between the single-scattering and the diffusive regimes, which has been observed experimentally. It also predicts a lower bound of the scattered-field correlation time at long paths. This extended theory should have broad experimental applications in the field of imaging through biological tissues.Keywords
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