Prof. Vladimir L. Kuzmin Profile

Prof. Vladimir L. Kuzmin

Professor at Saint Petersburg State Univ of Trade & Economics

SPIE Involvement:

Author

Area of Expertise:

multiple scattering, , Monte-Carlo , light diffusion , radiation transfer , coherent backscattering , random nedia

Publications (8)

Proceedings Article | 17 May 2018 Presentation + Paper

The temporal correlation transfer simulation in a tissue model with anisotropic scattering patterns for the blood flow analyses

V. Kuzmin, A. Yu. Valkov, L. Zubkov

Proceedings Volume 10685, 106851Y (2018) https://doi.org/10.1117/12.2314541

KEYWORDS: Roentgenium, Modulation, Phase shift keying

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The diffuse correlation spectroscopy (DCS) and diffuse near infrared spectroscopy (DNIRS) are the contemporary non-invasive optical methods which have turned out now to be ones of the most required optical tools for assessing tissue health, in regards to mammography, brain, and deep tissue injury. Earlier we reported on an observation, within the DCS technics, of development of pressure injuries measuring dermal and subcutaneous red blood cell motion; the data obtained has produced remarkably a characteristic decay time of the light intensity temporal correlation function being five times larger for patients of the group with developing open pressure injuries as compared with the group exhibiting healthier stage. The quantitative determination of the characteristic time required a definite picture of scatterer motion. For quantitative study the crucial problem to solve is a proper account for the scattering anisotropy. We perform comparative simulations of the diffuse photon density wave (DPDW) signals and the temporal intensity correlation functions either with the Henyey-Greenstein (HG) or Rayleigh-Gans (RG) phase functions, which we consider is more appropriate as the hard sphere suspension model for imitating a tissue. We find that for a half space geometry the results obtained for these two scattering patterns turn to be quite close; however for finite size tissue geometries results of simulations of the source-detector plot for backscattered intensity differ noticeably at small distances; simulating the temporal correlation function with these two phase functions we find the blood flow to be different for different scattering patterns in case of spatial restrictions. The DPDW methodology is widely used in a number of biomedical applications. Here we present results of Monte Carlo simulations that employ an effective numerical procedure, based upon a description of radiative transfer in terms of the Bethe-Salpeter equation, and compare them with measurements from Intralipid aqueous solutions. We find the Monte Carlo simulations and measurements to be in a very good agreement for a wide range of source-detector separations.

SPIE Journal Paper | 11 February 2017 Open Access

Pressure injury prediction using diffusely scattered light

David Diaz, Alec Lafontant, Michael Neidrauer, Michael Weingarten, Rose Ann DiMaria-Ghalili, Ericka Scruggs, Julianne Rece, Guy Fried, Vladimir Kuzmin, Leonid Zubkov

JBO, Vol. 22, Issue 02, 025003, (February 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.2.025003

KEYWORDS: Tissue optics, Injuries, Polonium, Light scattering, Tissues, Blood circulation, Diffusion, Sensors, Skin, Optical fibers

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SPIE Journal Paper | 14 October 2015 Open Access

Diffuse photon density wave measurements and Monte Carlo simulations

Vladimir Kuzmin, Michael Neidrauer, David Diaz, Leonid Zubkov

JBO, Vol. 20, Issue 10, 105006, (October 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.10.105006

KEYWORDS: Monte Carlo methods, Scattering, Sensors, Diffusion, Modulation, Diffuse photon density waves, Anisotropy, Signal detection, Photon transport, Tissues

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Proceedings Article | 6 March 2015 Paper

Diffuse photon density wave measurements in comparison with the Monte Carlo simulations

V. Kuzmin, M. Neidrauer, D. Diaz, L. Zubkov

Proceedings Volume 9325, 93250E (2015) https://doi.org/10.1117/12.2084723

KEYWORDS: Scattering, Monte Carlo methods, Diffusion, Sensors, Modulation, Light scattering, Anisotropy, Photon transport, Radiative transfer, Tissue optics

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Proceedings Article | 27 February 2014 Paper

Development of a multi-frequency diffuse photon density wave device for the characterization of tissue damage at multiple depths

David Diaz, Michael Weingarten, Michael Neidrauer, Joshua Samuels, Richard Huneke, Vladimir Kuzmin, Peter Lewin, Leonid Zubkov

Proceedings Volume 8935, 89351K (2014) https://doi.org/10.1117/12.2040095

KEYWORDS: Tissue optics, Modulation, Scattering, Phase shifts, Tissues, Absorption, Sensors, Optical properties, Light scattering, Actuators

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Proceedings Article | 26 February 2010 Paper

Helicity flip of the backscattered circular polarized light

Vladimir Kuzmin, Igor Meglinski

Proceedings Volume 7573, 75730Z (2010) https://doi.org/10.1117/12.841193

KEYWORDS: Scattering, Light scattering, Rayleigh scattering, Backscatter, Polarization, Anisotropy, Mie scattering, Particles, Electromagnetic scattering, Laser scattering

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Proceedings Article | 22 June 2005 Paper

Numerical simulation of coherent effects under multiple scattering of linearly polarized light

D. Churmakov, V. Kuzmin, Igor Meglinski

Proceedings Volume 5771, (2005) https://doi.org/10.1117/12.634660

KEYWORDS: Scattering, Polarization, Light scattering, Electromagnetic scattering, Multiple scattering, Dielectric polarization, Monte Carlo methods, Anisotropy, Rayleigh scattering, Backscatter

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Proceedings Article | 20 August 2004 Paper

Monte Carlo simulation of coherent effects in mulitple scattering

Igor Meglinski, V. Kuzmin, Dmitry Churmakov, Douglas Greenhalgh

Proceedings Volume 5474, (2004) https://doi.org/10.1117/12.578923

KEYWORDS: Scattering, Photons, Monte Carlo methods, Correlation function, Light scattering, Anisotropy, Diffusion, Radio propagation, Particles, Stochastic processes

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Showing 5 of 8 publications

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