Time-domain near-infrared spectroscopy and imaging: a review

Y Yamada, H Suzuki, Y Yamashita - Applied Sciences, 2019 - mdpi.com
This article reviews the past and current statuses of time-domain near-infrared spectroscopy
(TD-NIRS) and imaging. Although time-domain technology is not yet widely employed due to …

Broadband time domain diffuse optical reflectance spectroscopy: a review of systems, methods, and applications

S Konugolu Venkata Sekar, P Lanka, A Farina… - Applied Sciences, 2019 - mdpi.com
This review presents recent developments and a wide overview of broadband time domain
diffuse optical spectroscopy (TD-DOS). Various topics including physics of photon migration …

Superconducting nanowire single-photon sensing of cerebral blood flow

N Ozana, AI Zavriyev, D Mazumder… - …, 2021 - spiedigitallibrary.org
Significance: The ability of diffuse correlation spectroscopy (DCS) to measure cerebral blood
flow (CBF) in humans is hindered by the low signal-to-noise ratio (SNR) of the method. This …

Broadband (600–1350 nm) time-resolved diffuse optical spectrometer for clinical use

SKV Sekar, A Dalla Mora, I Bargigia… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
We report on the design, development, and performance assessment of a portable time-
resolved system measuring absorption and scattering spectra of highly diffusive media over …

Evaluation of the robustness of cerebral oximetry to variations in skin pigmentation using a tissue-simulating phantom

A Afshari, RB Saager, D Burgos, WC Vogt… - Biomedical Optics …, 2022 - opg.optica.org
Clinical studies have demonstrated that epidermal pigmentation level can affect cerebral
oximetry measurements. To evaluate the robustness of these devices, we have developed a …

Interferometric diffuse correlation spectroscopy improves measurements at long source–detector separation and low photon count rate

MB Robinson, DA Boas, S Sakadzic… - … of biomedical optics, 2020 - spiedigitallibrary.org
Significance: The use of diffuse correlation spectroscopy (DCS) has shown efficacy in
research studies as a technique capable of noninvasively monitoring blood flow in tissue …

Noninvasive continuous optical monitoring of absolute cerebral blood flow in critically ill adults

L He, WB Baker, D Milej, VC Kavuri… - …, 2018 - spiedigitallibrary.org
We investigate a scheme for noninvasive continuous monitoring of absolute cerebral blood
flow (CBF) in adult human patients based on a combination of time-resolved dynamic …

Single-session communication with a locked-in patient by functional near-infrared spectroscopy

A Abdalmalak, D Milej, L Norton, DB Debicki… - …, 2017 - spiedigitallibrary.org
There is a growing interest in the possibility of using functional neuroimaging techniques to
aid in detecting covert awareness in patients who are thought to be suffering from a disorder …

Quantifying tissue optical properties of human heads in vivo using continuous-wave near-infrared spectroscopy and subject-specific three-dimensional Monte Carlo …

TC Kao, KB Sung - Journal of Biomedical Optics, 2022 - spiedigitallibrary.org
Significance: Quantifying subject-specific optical properties (OPs) including absorption and
transport scattering coefficients of tissues in the human head could improve the modeling of …

Accuracy of diffuse correlation spectroscopy measurements of cerebral blood flow when using a three-layer analytical model

H Zhao, E Sathialingam, EM Buckley - Biomedical Optics Express, 2021 - opg.optica.org
Diffuse correlation spectroscopy (DCS) is a non-invasive optical technology for the
assessment of an index of cerebral blood flow (CBFi). Analytical methods that model the …