Results 51 to 60 of about 594 (165)
Mueller matrix polarimetry for improved liver fibrosis diagnosis [PDF]
Optics Letters, 2012 An experimental Mueller matrix polarimeter is used to quantify human liver fibrosis by measuring retardance and depolarization of thin biopsies. The former parameter is sensitive to fibrillar collagen, the latter is specifically sensitive to fibrillar collagen around blood vessels, which is not significant for liver fibrosis diagnosis.
Dubreuil, Matthieu +8 more
openaire +4 more sources
PhotonicsDue to the limited accuracy of experimental data, Mueller polarimetry can produce real 4×4 matrices that fail to meet required covariance or passivity conditions.
José J. Gil, Ignacio San José
doaj +1 more source
Aggregate, Volume 7, Issue 7, July 2026.A new chiral indaceno[1,2‐b:5,6‐b′]dithiophene bis‐thiophenylpropynone (IDT‐TPO) dye, which exhibits giant chiroptical properties (up to 18,000 mdeg) in drop‐casted and spin‐coated thin films upon simple aging, was deeply investigated by means of computational, microscopy, and spatially resolved chiroptical techniques.
Marco Bertuolo +8 more
wiley +1 more source
Radio Science, Volume 61, Issue 6, June 2026.Abstract The ionosphere imposes coupled amplitude, phase, and polarization distortions on trans‐ionospheric Global Navigation Satellite System (GNSS) signals, reflecting the structure and dynamics of electron‐density irregularities. Classical weak‐scatter theory provides a mature framework for interpreting amplitude and phase scintillation, but these ...
T. Durgonics, S. S. Beeck
wiley +1 more source
Optimizing Mueller polarimetry in noisy systems through over-determination
Applied Optics, 2021 Mueller polarimetry measurements are increasingly being used to image highly dynamic and short-lived phenomena such as plasma discharges. For phenomena such as these, exposure times below 1 µs must be used. Unfortunately, these low exposure times significantly reduce the signal-to-noise ratio, making accurate and consistent ...
Philpott, Harry +3 more
openaire +5 more sources
Extended Representation of Mueller Matrices
Photonics, 2023 The so-called arbitrary decomposition of a given Mueller matrix into a convex sum of nondepolarizing constituents provides a general framework for parallel decompositions of polarimetric interactions.
Ignacio San José, José J. Gil
doaj +1 more source
Advanced Materials, Volume 38, Issue 25, 4 May 2026.Interferometric second‐harmonic generation (SHG) imaging reveals the ubiquitous formation of antiparallel domains in CVD‐grown 2D hexagonal boron nitride. By resolving lattice orientation and SHG phase, hidden domain structures and disorder become visible over large areas. The SHG intensity quantitatively tracks crystalline quality across growth routes,
Yeri Lee +12 more
wiley +1 more source
Physical Significance of the Determinant of a Mueller Matrix
Photonics, 2022 The determinant of a Mueller matrix M plays an important role in both polarization algebra and the interpretation of polarimetric measurements. While certain physical quantities encoded in M admit a direct interpretation, the understanding of the ...
José J. Gil +2 more
doaj +1 more source
Mueller matrix imaging for collagen scoring in mice model of pregnancy
Scientific Reports, 2021 Preterm birth risk is associated with early softening of the uterine cervix in pregnancy due to the accelerated remodeling of collagen extracellular matrix.
Hee Ryung Lee +5 more
doaj +1 more source
Thermodynamic Reversibility in Polarimetry
Photonics, 2022 The action of linear media on incident polarized electromagnetic waves can produce two kinds of thermodynamic irreversible effects, namely, loss of intensity, in general anisotropic, and reduction of the degree of polarization. Even though both phenomena
José J. Gil
doaj +1 more source