New Simple Phenomenological Model for Laser Doppler Measurements of Blood Flow in Tissue

Denis Lapitan, Dmitry Rogatkin, Saydulla Persheyev, Andrey Rogatkin

Abstract

Laser Doppler flowmetry (LDF) for measurements of tissue blood flow is well-known today. The basic theory of forming the registered optical signal in LDF is the model developed by R.Bonner and R. Nossal. However, claiming to be a detailed and comprehensive analysis of the interaction of light with tissues, it does not describe many phenomena. Multiple simplifications and assumptions in the model diminish the efforts on the analysis of peculiarities of light scattering inside the tissue, resulting in a very approximate output. In this our study, a qualitatively similar result was obtained with the use of more simple and general approach. It was shown, that the power spectra of analyzed signals in the form of the exponential decay, similar to a fractal noise (1/f noise), is a consequence mainly of the Maxwell’s distribution of moving particles’ velocities. Moreover, in contrast to the classic model, our model shows that the first moment of the frequency is linearly proportional not only to the velocity of red blood cells, but also is inversely proportional to the wavelength of illuminating radiation, that is more physically grounded.

References

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Paper Citation


in Harvard Style

Lapitan D., Rogatkin D., Persheyev S. and Rogatkin A. (2017). New Simple Phenomenological Model for Laser Doppler Measurements of Blood Flow in Tissue . In Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 1: BIODEVICES, (BIOSTEC 2017) ISBN 978-989-758-216-5, pages 98-103. DOI: 10.5220/0006113200980103


in Bibtex Style

@conference{biodevices17,
author={Denis Lapitan and Dmitry Rogatkin and Saydulla Persheyev and Andrey Rogatkin},
title={New Simple Phenomenological Model for Laser Doppler Measurements of Blood Flow in Tissue},
booktitle={Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 1: BIODEVICES, (BIOSTEC 2017)},
year={2017},
pages={98-103},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006113200980103},
isbn={978-989-758-216-5},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 1: BIODEVICES, (BIOSTEC 2017)
TI - New Simple Phenomenological Model for Laser Doppler Measurements of Blood Flow in Tissue
SN - 978-989-758-216-5
AU - Lapitan D.
AU - Rogatkin D.
AU - Persheyev S.
AU - Rogatkin A.
PY - 2017
SP - 98
EP - 103
DO - 10.5220/0006113200980103