A study of the absorption and scattering factors of light in whole blood

FJ Janssen - Medical and biological engineering, 1972 - Springer
The oxygen saturation of blood, the cardiac output and the nature of pathological conditions
in the heart and larger vessels can be determined by photometry using whole blood. Under …

Application of the diffusion dipole to modelling the optical characteristics of blood

RJ Hirko, RJ Fretterd, RL Longini - Medical and biological engineering, 1975 - Springer
Modelling the diffusion optical characteristics of blood is quite useful in the study of oximetry.
The diffusion dipole of Fretterd and Longini (1973) is applied to the solution of the diffusion …

Optical transmission and reflection by blood

RJ Zdrojkowski, NR Pisharoty - IEEE Transactions on …, 1970 - ieeexplore.ieee.org
The results of calculations which use diffusion equations for photons to calculate optical
transmission and backscattering by whole blood will be compared with a variety of …

Optical transmission through whole blood illuminated with highly collimated light

RJ Zdrojkowski, RL Longini - JOSA, 1969 - opg.optica.org
The fundamental parameters necessary for describing the optical behavior of nonhemolyzed
blood by means of diffusion equations for photons are presented. The methods and results …

Theoretical determination of the blood's relative oxygen saturationin vivo

A Cohen, RL Longini - Medical & biological engineering, 1971 - Springer
The diffusion equations for randomly directed photons are applied to the problem of the in
vivo determination of the oxygen relative saturation in blood. A model of the living tissue is …

A note on the theory of backscattering of light by living tissue

RL Longini, R Zdrojkowski - IEEE Transactions on Biomedical …, 1968 - ieeexplore.ieee.org
A set of equations derived to describe the optics of highly scattering materials are explained,
extended, and applied to the problem of in vitro and in vivo measurement of the relative …

Optical diffusion in blood

CC Johnson - IEEE Transactions on Biomedical Engineering, 1970 - ieeexplore.ieee.org
Light is absorbed and scattered by whole blood. At very low hematocrit values scattering is
small, but for hematocrit≧ 0.05 light patterns in blood indicate that scattered photons obey …

Diffusion model of the optical absorbance of whole blood

JM Steinke, AP Shepherd - JOSA A, 1988 - opg.optica.org
Photon-diffusion theory has had limited success in modeling the optical transmittance of
whole blood. Therefore we have developed a new photon-diffusion model of the optical …

Diffuse reflectance of whole blood: model for a diverging light beam

JM Steinke, AP Shepherd - IEEE transactions on biomedical …, 1987 - ieeexplore.ieee.org
Previous theories describing the optical properties of whole blood have assumed a
collimated light source in the derivation of reflectance and transmittance equations …

Multiple-scattering effects in transmission oximetry

I Fine, A Weinred - Medical and Biological Engineering and Computing, 1993 - Springer
To develop an algorithm for the spectrophotometric determination of the oxygen saturation in
blood, a model for the transmission of light in a scattering and absorbing medium is …