Depth sensitivity and source-detector separations for near infrared spectroscopy based on the Colin27 brain template

GE Strangman, Z Li, Q Zhang - PloS one, 2013 - journals.plos.org
Understanding the spatial and depth sensitivity of non-invasive near-infrared spectroscopy
(NIRS) measurements to brain tissue–ie, near-infrared neuromonitoring (NIN)–is essential …

A Monte Carlo investigation of optical pathlength in inhomogeneous tissue and its application to near-infrared spectroscopy

M Hiraoka, M Firbank, M Essenpreis… - Physics in Medicine …, 1993 - iopscience.iop.org
In order to quantify near-infrared spectroscopic (NIRS) data on an inhomogeneous medium,
knowledge of the contribution of the various parts of the medium to the total NIRS signal is …

Theoretical and experimental investigation of near-infrared light propagation in a model of the adult head

E Okada, M Firbank, M Schweiger, SR Arridge… - Applied …, 1997 - opg.optica.org
Near-infrared light propagation in various models of the adult head is analyzed by both time-
of-flight measurements and mathematical prediction. The models consist of three-or four …

Study of near infrared technology for intracranial hematoma detection

Q Zhang, HY Ma, S Nioka… - Journal of biomedical …, 2000 - spiedigitallibrary.org
Although intracranial hematoma detection only requires the continuous wave technique of
near infrared spectroscopy (NIRS), previous studies have shown that there are still some …

Noninvasive determination of the optical properties of two-layered turbid media

A Kienle, MS Patterson, N Dögnitz, R Bays… - Applied …, 1998 - opg.optica.org
Light propagation in two-layered turbid media having an infinitely thick second layer is
investigated in the steady-state, frequency, and time domains. A solution of the diffusion …

Evaluation of optical coherence quantitation of analytes in turbid media by use of two wavelengths

US Sathyam, BW Colston Jr, LB Da Silva… - Applied Optics, 1999 - opg.optica.org
We introduce a novel method for determining analyte concentration as a function of depth in
a highly scattering media by use of a dual-wavelength optical coherence tomography …

5-ALA induced PpIX fluorescence spectroscopy in neurosurgery: a review

A Gautheron, JD Bernstock, T Picart… - Frontiers in …, 2024 - frontiersin.org
The review begins with an overview of the fundamental principles/physics underlying light,
fluorescence, and other light-matter interactions in biological tissues. It then focuses on 5 …

The effect of overlying tissue on the spatial sensitivity profile of near-infrared spectroscopy

E Okada, M Firbank, DT Delpy - Physics in Medicine & Biology, 1995 - iopscience.iop.org
The exact volume of brain tissue interrogated in near-infrared spectroscopy (NIRS) studies
of cerebral oxygenation is unknown, the inhomogeneity of the head and resulting variation …

Influence of laser beam profile on light scattering by human skin during photometry by ellipsoidal reflectors

M Bezuglyi, N Bezuglaya, S Kostuk - Приборы и методы …, 2018 - cyberleninka.ru
The correct accounting of laser emitter parameters for improvement of diagnostic authenticity
of methods of optical biomedical diagnostic is important problem for applied biophotonic …

Time-resolved photon emission from layered turbid media

AH Hielscher, H Liu, B Chance, FK Tittel… - Applied optics, 1996 - opg.optica.org
We present numerical and experimental results of time-resolved emission profiles from
various layered turbid media. Numerical solutions determined by time-resolved Monte Carlo …