A method for determination of the absorption and scattering properties interstitially in turbid media

A Dimofte, JC Finlay, TC Zhu - Physics in Medicine & Biology, 2005 - iopscience.iop.org
We have developed a method to quickly determine tissue optical properties (absorption
coefficient μ a and transport scattering coefficient μ's) by measuring the ratio of light fluence …

Performance of isotropic light dosimetry probes based on scattering bulbs in turbid media

JPA Marijnissen, WM Star - Physics in Medicine & Biology, 2002 - iopscience.iop.org
In a previous paper the calibration of an isotropic light detector in clear media was described
and validated. However, in most applications the detector is used to measure light …

Calibration of isotropic light dosimetry probes based on scattering bulbs in clear media

JPA Marijnissen, WM Star - Physics in Medicine & Biology, 1996 - iopscience.iop.org
Miniature light detectors with isotropic response (isotropic light dosimetry probes) permit
quantitative measurement of light energy fluence rates in turbid media such as biological …

Determination of the optical properties of semi-infinite turbid media from frequency-domain reflectance close to the source

A Kienle, MS Patterson - Physics in Medicine & Biology, 1997 - iopscience.iop.org
We investigate theoretically the errors in determining the reduced scattering and absorption
coefficients of semi-infinite turbid media from frequency-domain reflectance measurements …

Experimental verification of the effect of refractive index mismatch on the light fluence in a turbid medium

TJ Farrell, MS Patterson - Journal of Biomedical Optics, 2001 - spiedigitallibrary.org
Diffusion theory is often used to model the transport of light within tissue. It can be used to
calculate the light fluence rate in tissue, for example, during photodynamic therapy, or to …

Calculating the response of isotropic light dosimetry probes as a function of the tissue refractive index

WM Star, JPA Marijnissen - Applied Optics, 1989 - opg.optica.org
The response of an isotropic light dosimetry probe as function of the tissue refractive index
(n) has been calculated using diffusion theory. The response has also been measured in a …

A diffusion theory model of spatially resolved, steady‐state diffuse reflectance for the noninvasive determination of tissue optical properties in vivo

TJ Farrell, MS Patterson, B Wilson - Medical physics, 1992 - Wiley Online Library
A model based upon steady‐state diffusion theory which describes the radial dependence of
diffuse reflectance of light from tissues is developed. This model incorporates a photon …

Influence of the scattering phase function on light transport measurements in turbid media performed with small source–detector separations

JR Mourant, J Boyer, AH Hielscher, IJ Bigio - Optics letters, 1996 - opg.optica.org
Many methods of optical tissue diagnosis require that measurements be performed with
small source–detector separations in a backscatter geometry. Monte Carlo simulations are …

Radiative transport in the delta‐approximation for semi‐infinite turbid media

IS Seo, CK Hayakawa, V Venugopalan - Medical physics, 2008 - Wiley Online Library
We have developed an analytic solution for spatially resolved diffuse reflectance within the
approximation to the radiative transport equation for a semi‐infinite homogeneous turbid …

Penetration depth of light re-emitted by a diffusive medium: theoretical and experimental investigation

S Del Bianco, F Martelli, G Zaccanti - Physics in Medicine & …, 2002 - iopscience.iop.org
The depth at which photons penetrate into a diffusive medium before being re-emitted has
been investigated with reference to a semi-infinite homogeneous medium illuminated by a …