Results 1 to 10 of about 19,151 (162)

Fluorine‐Driven Enhancement of Birefringence in the Fluorooxosulfate: A Deep Evaluation from a Joint Experimental and Computational Study

open access: yesAdvanced Science, 2021
Understanding and exploring the functional modules (FMs) consisting of local atomic groups can promote the development of the materials with functional performances.
Xin Zhou, Yang Zhihua, Shilie Pan
exaly   +2 more sources

Rigid‐Flexible Coupling Units Enable Robust Large Birefringence [PDF]

open access: yesAdvanced Science
Birefringent crystals are central to polarization control in laser technologies (e.g., wave plates and polarization beam splitters), yet combining large birefringence with robust optical stability remains rare.
Jie Zhou   +8 more
doaj   +2 more sources

Unsteady flows uncover the limits of the stress-optic law [PDF]

open access: yesNature Communications
Birefringence induced in complex fluid flows, containing anisotropic microstructures, exhibits vibrant patterns, captivating people perceptually. More practically, it has garnered multidisciplinary expectations on the noninvasive characterization of ...
Daisuke Noto, Kohei Ohie, Yuji Tasaka
doaj   +2 more sources

Corresponding relationship between characteristic birefringence, strain, and impurities in Zimbabwean mixed-habit diamonds revealed by mapping techniques [PDF]

open access: yesEuropean Journal of Mineralogy, 2022
Birefringence in diamond is an optical phenomenon related to strain and various defects in crystal lattices. Despite extensive investigations being done to characterize and quantify it, there is still controversy about its origin in diamond lattices ...
C. Sun   +5 more
doaj   +1 more source

Birefringence for Elliptical-Core Fibers with Low Ellipticities

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2022
Model birefringence was measured for elliptical-core fibers with low ellipticities, note the birefringence depends strongly on the frequency, especially when fiber is being operated near the higher mode cutoff where ν  for circular fiber of the single ...
Miami A. Mohammed
doaj   +1 more source

Anisotropic alteration of scleral birefringence to uniaxial mechanical strain. [PDF]

open access: yesPLoS ONE, 2013
PURPOSE: To investigate the relationship between scleral mechanical properties, its birefringence, and the anisotropy of birefringence alteration in respect of the direction of the strain by using PS-OCT. METHODS: The scleral birefringence of thirty-nine
Satoko Nagase   +7 more
doaj   +1 more source

Comments about birefringence dispersion, with group and phase birefringence measurements in polarization-maintaining fibers

open access: yesJournal of the European Optical Society-Rapid Publications, 2023
A recent JEOS-RP publication proposed Comments about Dispersion of Light Waves, and we present here complementary comments for birefringence dispersion in polarization-maintaining (PM) fibers, and for its measurement techniques based on channeled ...
Villedieu Thomas   +8 more
doaj   +1 more source

Viscoelasticity and Birefringence of Low Birefringent Polyesters [PDF]

open access: yesPolymer Journal, 2000
Dynamic viscoelasticity and dynamic birefringence were investigated for a series of polyesters with various combinations of dimethyl decalin 2,6-carboxylate, DMHN and dimethyl terephthalate, DMT as acid component and 9,9-bis[4-(2-hydroxy-ethoxy)phenyl]fluorene, BPEF and ethylene glycol, EG as diol component.
INOUE, Tadashi   +5 more
openaire   +1 more source

Sagnac Interferometric Temperature Sensor Based on Boron-Doped Polarization-Maintaining Photonic Crystal Fibers

open access: yesOptics, 2022
A sensitive temperature sensor was demonstrated using boron-doped polarization-maintaining photonic crystal fiber (PM-PCF) as a Sagnac interferometer (SI).
Lan Cheng   +3 more
doaj   +1 more source

Effect of pH, ethanol concentration, and temperature on detection of quagga mussel (Dreissena bugensis) birefringence [PDF]

open access: yesManagement of Biological Invasions, 2013
In the western United States, federal, state, and local agencies have engaged in extensive efforts to detect the presence of larval dreissenid mussels (veligers) in water bodies before such a presence becomes a full-scale infestation.
Scott O’Meara   +3 more
doaj   +1 more source

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