期刊
OPTICS COMMUNICATIONS
卷 413, 期 -, 页码 172-178出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2017.11.082
关键词
Polarization; Anisotropy of scattering; Mueller matrix; Born approximation; Biological tissues
类别
资金
- IISER-Kolkata, an autonomous institute - MHRD, Govt. of India
- BRNS-DAE, Govt. of India [37(3)/14/23/2014-BRNS]
- Russian Science Foundation [15-14-10008]
- MEPhI Academic Excellence Project [02.a03.21.0005]
- National Research Tomsk State University Academic D.I. Mendeleev Fund Program
- ITEE Faculty of the University of Oulu, Finland
A number of tissue-like disordered media exhibit local anisotropy of scattering in the scaling behavior. Scaling behavior contains wealth of fractal or multifractal properties. We demonstrate that the spatial dielectric fluctuations in a sample of biological tissue exhibit multifractal anisotropy. Multifractal anisotropy encoded in the wavelength variation of the light scattering Mueller matrix and manifesting as an intriguing spectral diattenuation effect. We developed an inverse method for the quantitative assessment of the multifractal anisotropy. The method is based on the processing of relevant Mueller matrix elements in Fourier domain by using Born approximation, followed by the multifractal analysis. The approach promises for probing subtle microstructural changes in biological tissues associated with the cancer and precancer, as well as for non-destructive characterization of a wide range of scattering materials. (C) 2017 Elsevier B.V. All rights reserved.
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