Frequency Domain Diffuse Optics Spectroscopies for Quantitative Measurement of Tissue Optical Properties

S Moka - 2022 - search.proquest.com
… photon diffusion model that describes tissue light propagation and a new frequency domain
… measurements at different frequencies sample the same tissue volume. I detail the state-of-…

Frequency domain diffuse correlation spectroscopy: a new method for simultaneous estimation of static and dynamic tissue optical properties

S Moka, AM Safi, PPS Mohammad… - … and Spectroscopy …, 2022 - spiedigitallibrary.org
use collocated sources leading to issues like partial volume … a frequency domain solution to
the correlation diffusion equation … of static and dynamic tissue optical properties. We present …

Tutorial on methods for estimation of optical absorption and scattering properties of tissue

R Tao, J Gröhl, L Hacker, A Pifferi… - … Biomedical Optics, 2024 - spiedigitallibrary.org
Absorption spectra of the main endogenous tissueFinite-element models are commonly
used under the … The temporal response can be equivalently measured in the frequency domain (…

Advances in broadband time-resolved spectroscopy of diffusive media-from physics to clinics

SRPK Lanka - 2020 - politesi.polimi.it
… In theory, frequency domain and time domain are expected to be … This finite dimensionality
dictates that cases like this require … (b) Absorption spectrum of pure water as measured by our …

Extraction of the anisotropy factor and refractive index of biological tissue in the near-infrared region from diffusion approximation in the spatial frequency domain

H Sarid, D Abookasis - Optics Communications, 2022 - Elsevier
use of the finitediffusion model, the sample is considered as a one layer, the derived g and
n are average values, resulting from recording measurements from the bulk volume of tissue

Broadband time-domain diffuse optics for clinical diagnostics, and diffuse Raman spectroscopy

S KONUGOLU VENKATA SEKAR - 2017 - politesi.polimi.it
… In Frequency domain, the source injected into the sample is … These include slab, semi-finite,
parallelepiped models. Most of … Fig.3.7 compares our absorption spectrum (blue squares) of …

Multi-frequency spatial frequency domain imaging: a depth-resolved optical scattering model to isolate scattering contrast in thin layers of skin

L Belcastro, H Jonasson… - … of Biomedical Optics, 2024 - spiedigitallibrary.org
… The thin top layer has a finite thickness d and a scattering … that we investigated is the standard
diffusion approximation (SDA). … of its relatively flat absorption spectrum across the entire …

Novel data types for frequency-domain diffuse optical spectroscopy and imaging of tissues: characterization of sensitivity and contrast-to-noise ratio for absorption …

A Sassaroli, G Blaney, S Fantini - Biomedical Optics Express, 2023 - opg.optica.org
volume of the voxel i (centered at ${{\mathbf r}_i}$). For the calculation of the partial pathlength
in a finite region … For the numerical calculations of this work, we used a finite layer having …

Wide-field Spatial Frequency Domain Imaging, Diffuse Reflectance and Endogenous Fluorescence Spectroscopy System for Quantitative Tissue Biomarkers in …

E Beaulieu - 2019 - search.proquest.com
… des coefficients d’absorption (µa) et de diffusion (µs) en grand-… their simulated results for
finite or heterogeneous media may … it overlapped the absorption spectra of multiple endogenous …

Frequency domain high density diffuse optical tomography for functional brain imaging

M Doulgerakis - 2021 - etheses.bham.ac.uk
… model, within a diffusion approximation-based finite-element … imaging is based on the
absorption spectrum of the oxy and … solution and the optical properties of the volume, and found …