Results 31 to 40 of about 1,427,655 (346)

Mueller Matrix Imaging Optimized by Uniform Illumination

open access: yesFrontiers in Physics, 2022
In this study, we present a flat-field Mueller matrix imaging system to reduce the reconstruction error caused by critical illumination. This study demonstrates that the signal-to-noise ratio (SNR) of the reconstructed images is improved by about eight ...
Wei Guo   +7 more
doaj   +1 more source

Polarization singularities in the clear sky [PDF]

open access: yes, 2004
Ideas from singularity theory provide a simple account of the pattern of polarization directions in daylight. The singularities (two near the Sun and two near the anti-Sun) are points in the sky where the polarization line pattern has index +1/2 and the ...
Berry, M.V., Dennis, M.R., Lee, Jr, R.L.
core   +1 more source

Attitude Polarization [PDF]

open access: yesSSRN Electronic Journal, 2007
Psychological evidence suggests that people’s learning behavior is often prone to a “myside bias†or “irrational belief persistence†in contrast to learning behavior exclusively based on objective data. In the context of Bayesian learning such a bias may result in diverging posterior beliefs and attitude polarization even if agents receive ...
Ludwig, Alexander, Zimper, Alexander
openaire   +4 more sources

Majorization and Measures of Classical Polarization in Three Dimensions [PDF]

open access: yes, 2014
There has been much discussion in the literature about rival measures of classical polarization in three dimensions. We gather and compare the various proposed measures of polarization, creating a geometric representation of the polarization state space ...
Gamel, Omar, James, Daniel F. V.
core   +1 more source

Polarized cells, polar actions

open access: yesJournal of Bacteriology, 1993
The recognition of polar bacterial organization is just emerging. The examples of polar localization given here are from a variety of bacterial species and concern a disparate array of cellular functions. A number of well-characterized instances of polar localization of bacterial proteins, including the chemoreceptor complex in both C. crescentus and E.
M. R. K. Alley   +2 more
openaire   +4 more sources

Polar Metallocenes [PDF]

open access: yesMolecules, 2019
Crystalline polar metallocenes are potentially useful active materials as piezoelectrics, ferroelectrics, and multiferroics. Within density functional theory (DFT), we computed structural properties, energy differences for various phases, molecular configurations, and magnetic states, computed polarizations for different polar crystal structures, and ...
Haiwu Zhang, B.Yu. Yavorsky, R.E. Cohen
openaire   +3 more sources

Polarization Measurements and Evaluation Based on Multidimensional Polarization Indices Applied in Analyzing Atmospheric Particulates

open access: yesApplied Sciences, 2021
Online identification and characterization of suspended aerosols can provide a scientific basis for understanding aerosol transformations, quantitatively evaluating the impacts on air quality, public health, and the source apportionment of different ...
Riwei Liao   +7 more
doaj   +1 more source

Polarization-resolved sensing with tilted fiber Bragg gratings: theory and limits of detection [PDF]

open access: yes, 2015
Polarization based sensing with tilted fiber Bragg grating (TFBG) sensors is analysed theoretically by two alternative approaches. The first method is based on tracking the grating transmission for two orthogonal states of linear polarized light that are
Albert, Jacques   +2 more
core   +2 more sources

Multi-band spin-selective transmission and reflection in bi-layer T-shaped metamaterial

open access: yesResults in Physics, 2023
The control of the spin angular momentum of light plays an irreplaceable role in modern photon applications. In this work, we proposed a chiral metamaterial based on a bi-layer T-shaped structure.
Yu-Bo Kong   +5 more
doaj  

Correlation analysis and application investigation of multi-angle simultaneous polarization measurement data and concentration of suspended particulate matter in the atmosphere

open access: yesFrontiers in Environmental Science, 2022
Determining the composition, particle size distribution and concentration changes of suspended particulate matter in the atmosphere is important for evaluating the quality of air and its impact on public health.
Xuan Yuan   +6 more
doaj   +1 more source

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