Quantitative modeling of laser speckle imaging
Soft Condensed Matter
2009-11-11 v1 Other Condensed Matter
Abstract
We have analyzed the image formation and dynamic properties in laser speckle imaging (LSI) both experimentally and with Monte-Carlo simulation. We show for the case of a liquid inclusion that the spatial resolution and the signal itself are both significantly affected by scattering from the turbid environment. Multiple scattering leads to blurring of the dynamic inhomogeneity as detected by LSI. The presence of a non-fluctuating component of scattered light results in the significant increase in the measured image contrast and complicates the estimation of the relaxation time. We present a refined processing scheme that allows a correct estimation of the relaxation time from LSI data.
Cite
@article{arxiv.cond-mat/0606030,
title = {Quantitative modeling of laser speckle imaging},
author = {P. Zakharov and A. C. Voelker and A. Buck and B. Weber and F. Scheffold},
journal= {arXiv preprint arXiv:cond-mat/0606030},
year = {2009}
}
Comments
submitted to Optics Letters