Optimized Stokes imaging for highly resolved optical speckle fields, Part I: optimized experimental setup

J Staes, J Fade - JOSA A, 2024 - opg.optica.org
In this first article of a three-part series focusing on the Stokes polarimetry of optical speckle
fields resolved at the individual speckle grain scale, a review of the state-of-the-art …

Imaging the vasculature of a beating heart by dynamic speckle: the challenge of a quasiperiodic motion

A Plyer, E Colin, X Orlik, A Akamkam… - Journal of Biomedical …, 2023 - spiedigitallibrary.org
The spatial and temporal evolution of the field backscattered by a beating heart while
illuminated with a coherent light reveals its macro-and microvascularization in real time. To …

Polarization-driven dynamic laser speckle analysis for brain neoplasms differentiation

V Abbasian, VF Rad, P Shamshiripour… - Light: Advanced …, 2024 - light-am.com
Early diagnosis of brain tumors is often hindered by non-specific symptoms, particularly in
eloquent brain regions where open surgery for tissue sampling is unfeasible. This limitation …

Optimized Stokes imaging for highly resolved optical speckle fields, Part II: optimal acquisition and estimation strategies

J Staes, J Fade - JOSA A, 2024 - opg.optica.org
In this second paper of a three-paper series focusing on Stokes polarimetry of optical
speckle fields resolved at the individual speckle grain scale, a theoretical study based on …

Non-Line-of-Sight Full-Stokes Polarimetric Imaging with Solution-Processed Metagratings and Shallow Neural Networks

X Weng, J Feng, A Perry, LT Vuong - ACS Photonics, 2023 - ACS Publications
There is currently significant interest in approaches that combine metaphotonics with back-
end algorithms to advance imaging capabilities with less complicated hardware. Here, we …

Imaging of the skin microvascularization using spatially depolarized dynamic speckle

E Colin, A Plyer, M Golzio, N Meyer… - … of Biomedical Optics, 2022 - spiedigitallibrary.org
Significance: We propose a technique devoted to real-time high-resolution imaging of skin
microvascularization. Aim: The process utilizes the temporal variation of the spatially …

Influence of size, proportion, and absorption coefficient of spherical scatterers on the degree of light polarization and the grain size of speckle pattern

CA Nader, R Nassif, F Pellen, B Le Jeune, G Le Brun… - Applied …, 2015 - opg.optica.org
In this paper, we present the evolution of speckle pattern polarimetric parameters in
response to controlled changes in scatterer sizes, proportions, and the absorption coefficient …

Standardizing Laser Speckle Orthogonal Contrast Imaging: Achieving Reproducible Measurements across Instruments

X Orlik, E Colin, A Plyer - Photonics, 2024 - mdpi.com
Using two independent speckle imaging systems based on the recently published LSOCI
method operating in contact mode on the skin, we assess the reproducibility of in vivo …

Statistics of polarization speckle produced by a constant polarization phasor plus a random polarization phasor sum

W Wang, S Zhang, J Grimble - JOSA A, 2020 - opg.optica.org
The statistical properties of the polarization speckle produced by a random polarization
phasor sum plus a constant polarization phasor are studied. Based on the Gaussian …

Combining light polarization and speckle measurements with multivariate analysis to predict bulk optical properties of turbid media

D Héran, M Ryckewaert, Y Abautret, M Zerrad… - Applied …, 2019 - opg.optica.org
This study aims to investigate the combination of speckle pattern analysis, polarization
parameters, and chemometric tools to predict the optical absorption and scattering …