Polarization in diffractive optics and metasurfaces

NA Rubin, Z Shi, F Capasso - Advances in Optics and Photonics, 2021 - opg.optica.org
Polarization, the path traced by light's electric field vector, appears in all areas of optics. In
recent decades, various technologies have enabled the precise control of light's polarization …

Polarized beam steering using multiply-cascaded rotating polarization gratings

M Sakamoto, HT Nhan, K Noda, T Sasaki, T Kamei… - Applied Optics, 2021 - opg.optica.org
A polarized laser beam steering system using multiply cascaded rotating polarization
gratings (PGs) is presented. The rotating PGs steer incident circularly polarized beams with …

Apparatus, devices and methods for in vivo imaging and diagnosis

H Wang, JA Gardecki, GJ Tearney - US Patent 10,912,462, 2021 - Google Patents
Exemplary method and apparatus for diagnosing or characterizing an inflammation within
an anatomical structure can be provided. For example, using at least one source …

Hybrid systems and methods for multi-modal acquisition of intravascular imaging data and counteracting the effects of signal absorption in blood

FA Jaffer, V Ntziachristos - US Patent 11,123,047, 2021 - Google Patents
A multi-modal catheter combining at least NIRF and IVUs imaging channels used to reveal
integrated biological and structural features of a lumen intravascularly imaged through …

Systems, devices, methods, apparatus and computer-accessible media for providing optical imaging of structures and compositions

GJ Tearney, BE Bouma, H Yoo, M Shishkov… - US Patent …, 2021 - Google Patents
Exemplary systems, devices, methods, apparatus and computer-accessible media for
providing and/or utilizing optical frequency domain imaging (OFDI) and fluorescence of …

Universal synthesizer of Mueller matrices based on the symmetry properties of the enpolarizing ellipsoid

JJ Gil, IS José - Symmetry, 2021 - mdpi.com
Polarimetry is today a widely used and powerful tool for nondestructive analysis of the
structural and morphological properties of a great variety of material samples, including …

Mueller-polarimetry of soil and vegetation in the visible I: Depolarization metrics

SN Savenkov, AA Kokhanovsky, YA Oberemok… - Journal of Quantitative …, 2021 - Elsevier
In this paper the Mueller polarimetry is applied to study the four natural samples in visible
(λ= 632.8 nm): soil, sand, clay and moss. To quantify separability of these samples based on …

Depolarized Reflectance Modeling

LW Li - 2021 - search.proquest.com
Polarimetric imaging is a growing topic of interest in computer vision for resolving the
toughest edge cases and adversarial problems in detection and reconstruction where …

Polarimetry of soil and vegetation in the visible II: Mueller matrix decompositions

SN Savenkov, AA Kokhanovsky, YA Oberemok… - Journal of Quantitative …, 2021 - Elsevier
In this paper Mueller polarimetry is applied to study some natural scatter scenes in visible:
soil, sand, clay and moss. To obtain the anisotropic and depolarizing properties of the …

Objective lens arrangement for confocal endomicroscopy

GJ Tearney, D Kang, M Kim - US Patent 11,179,028, 2021 - Google Patents
An apparatus for imaging an anatomical structure (s) can be provided. For example, a
housing arrangement can have a shape of a pill and can be to be delivered to the …