Interferometric diffuse optics: recent advances and future outlook

W Zhou, M Zhao, VJ Srinivasan - Neurophotonics, 2023 - spiedigitallibrary.org
The field of diffuse optics has provided a rich set of neurophotonic tools to measure the
human brain noninvasively. Interferometric detection is a recent, exciting methodological …

Interferometric diffusing wave spectroscopy imaging with an electronically variable time-of-flight filter

M Zhao, W Zhou, S Aparanji, D Mazumder… - Optica, 2023 - opg.optica.org
Diffuse optics (DO) is a light-based technique used to study the human brain, but it suffers
from low brain specificity. Interferometric diffuse optics (iDO) promises to improve the …

Multi-exposure interferometric diffusing wave spectroscopy

W Zhou, M Zhao, O Kholiqov, VJ Srinivasan - Optics letters, 2021 - opg.optica.org
We present multi-exposure interferometric diffusing wave spectroscopy (MiDWS), which
measures brain blood flow index (BFI) continuously and non-invasively. MiDWS employs …

Parallel interferometric diffusing wave spectroscopy (iDWS) with time-of-flight discrimination

M Zhao, W Zhou, S Aparanji, S GhandiParsi… - Optics and the …, 2022 - opg.optica.org
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ow e r [m W ] Current [mA] T u n in g ra n g e [G Hz] P(f) Δf a) b) c) d) Rapidly Tuned Laser …

Highly parallel, interferometric diffusing wave spectroscopy for monitoring cerebral blood flow dynamics

W Zhou, O Kholiqov, SP Chong, VJ Srinivasan - Optica, 2018 - opg.optica.org
Light-scattering methods are widely used in soft matter physics and biomedical optics to
probe dynamics in turbid media, such as diffusion in colloids or blood flow in biological …

Scanning interferometric near-infrared spectroscopy

O Kholiqov, W Zhou, T Zhang, M Zhao, S Ghandiparsi… - Optics letters, 2021 - opg.optica.org
In diffuse optics, quantitative assessment of the human brain is confounded by the skull and
scalp. To better understand these superficial tissues, we advance interferometric near …

Continuous-wave parallel interferometric near-infrared spectroscopy (CW πNIRS) with a fast two-dimensional camera

S Samaei, K Nowacka, A Gerega… - Biomedical Optics …, 2022 - opg.optica.org
Interferometric near-infrared spectroscopy (iNIRS) is an optical method that noninvasively
measures the optical and dynamic properties of the human brain in vivo. However, the …

Functional interferometric diffusing wave spectroscopy of the human brain

W Zhou, O Kholiqov, J Zhu, M Zhao… - Science …, 2021 - science.org
Cerebral blood flow (CBF) is essential for brain function, and CBF-related signals can inform
us about brain activity. Yet currently, high-end medical instrumentation is needed to perform …

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 …

Portable, high speed blood flow measurements enabled by long wavelength, interferometric diffuse correlation spectroscopy (LW-iDCS)

MB Robinson, M Renna, N Ozana, AN Martin, N Otic… - Scientific Reports, 2023 - nature.com
Diffuse correlation spectroscopy (DCS) is an optical technique that can be used to
characterize blood flow in tissue. The measurement of cerebral hemodynamics has arisen …