Light scattering study of rheumatoid arthritis

J. Beuthan; U. Netz; O. Minet; A. D. Klose; A. H. Hielscher; A. Scheel; J. Henniger; G. Müller

doi:10.1070/QE2002v032n11ABEH002326

Light scattering study of rheumatoid arthritis

J. Beuthan, U. Netz, O. Minet, A. D. Klose, A. H. Hielscher, A. Scheel, J. Henniger, G. Müller

Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The distribution of fight scattered by finger joints is studied in the near-IR region. It is shown that variations in the optical parameters of the tissue (scattering coefficient μ_s, absorption coefficient μ_a, and anisotropy factor g) depend on the presence of the rheumatoid arthritis (RA). At the first stage, the distribution of scattered light was measured in diaphanoscopic experiments. The convolution of a Gaussian error function with the scattering phase function proved to be a good approximation of the data obtained. Then, a new method was developed for the reconstruction of distribution of optical parameters in the finger cross section. Model tests of the quality of this reconstruction method show good results.

Original language	English (US)
Pages (from-to)	945-952
Number of pages	8
Journal	Quantum Electronics
Volume	32
Issue number	11
DOIs	https://doi.org/10.1070/QE2002v032n11ABEH002326
State	Published - Nov 2002

Keywords

Biomedical functional imaging
Near-infrared diaphanoscopy
Optical diffusion tomography
Rheumatic diseases
Scattered light distribution

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Statistical and Nonlinear Physics
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1070/QE2002v032n11ABEH002326

Cite this

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title = "Light scattering study of rheumatoid arthritis",

abstract = "The distribution of fight scattered by finger joints is studied in the near-IR region. It is shown that variations in the optical parameters of the tissue (scattering coefficient μs, absorption coefficient μa, and anisotropy factor g) depend on the presence of the rheumatoid arthritis (RA). At the first stage, the distribution of scattered light was measured in diaphanoscopic experiments. The convolution of a Gaussian error function with the scattering phase function proved to be a good approximation of the data obtained. Then, a new method was developed for the reconstruction of distribution of optical parameters in the finger cross section. Model tests of the quality of this reconstruction method show good results.",

keywords = "Biomedical functional imaging, Near-infrared diaphanoscopy, Optical diffusion tomography, Rheumatic diseases, Scattered light distribution",

author = "J. Beuthan and U. Netz and O. Minet and Klose, {A. D.} and Hielscher, {A. H.} and A. Scheel and J. Henniger and G. M{\"u}ller",

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T1 - Light scattering study of rheumatoid arthritis

AU - Beuthan, J.

AU - Netz, U.

AU - Minet, O.

AU - Klose, A. D.

AU - Hielscher, A. H.

AU - Scheel, A.

AU - Henniger, J.

AU - Müller, G.

PY - 2002/11

Y1 - 2002/11

N2 - The distribution of fight scattered by finger joints is studied in the near-IR region. It is shown that variations in the optical parameters of the tissue (scattering coefficient μs, absorption coefficient μa, and anisotropy factor g) depend on the presence of the rheumatoid arthritis (RA). At the first stage, the distribution of scattered light was measured in diaphanoscopic experiments. The convolution of a Gaussian error function with the scattering phase function proved to be a good approximation of the data obtained. Then, a new method was developed for the reconstruction of distribution of optical parameters in the finger cross section. Model tests of the quality of this reconstruction method show good results.

AB - The distribution of fight scattered by finger joints is studied in the near-IR region. It is shown that variations in the optical parameters of the tissue (scattering coefficient μs, absorption coefficient μa, and anisotropy factor g) depend on the presence of the rheumatoid arthritis (RA). At the first stage, the distribution of scattered light was measured in diaphanoscopic experiments. The convolution of a Gaussian error function with the scattering phase function proved to be a good approximation of the data obtained. Then, a new method was developed for the reconstruction of distribution of optical parameters in the finger cross section. Model tests of the quality of this reconstruction method show good results.

KW - Biomedical functional imaging

KW - Near-infrared diaphanoscopy

KW - Optical diffusion tomography

KW - Rheumatic diseases

KW - Scattered light distribution

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Light scattering study of rheumatoid arthritis

Abstract

Keywords

ASJC Scopus subject areas

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