Related Experiment Video
Updated: Feb 26, 2026

13:44
Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
Published on: August 30, 2013
43.7K
Geometric phase morphology of Jones matrices.
Optics Letters
|July 15, 2017
Summary
We introduce a novel Pancharatnam-Berry phase technique to distinguish between homogeneous and inhomogeneous optical systems. This method reveals distinct geometric phase morphologies, aiding in the analysis of polarization properties and beam transformations.
Area of Science:
- Optics and Photonics
- Quantum Information Science
Background:
- Optical systems can be classified as homogeneous or inhomogeneous based on their eigenpolarization properties.
- Characterizing these systems is crucial for understanding light-matter interactions and polarization transformations.
Purpose of the Study:
- To develop and demonstrate a new method for classifying optical systems as homogeneous or inhomogeneous.
- To utilize the Pancharatnam-Berry phase for analyzing the polarization characteristics of optical systems.
Main Methods:
- Employing the Pancharatnam-Berry phase as a tool to probe the nature of optical systems.
- Analyzing the geometric phase morphology, including line dislocations and phase singularities, within the Jones matrix framework.
Main Results:
- Homogeneous systems exhibit symmetric geometric phase morphology with line dislocations.
- Inhomogeneous systems display phase singularities where the Pancharatnam-Berry phase is indeterminate.
- The technique provides an alternative for extracting polarization properties like diattenuation and retardance.
Conclusions:
- The Pancharatnam-Berry phase offers a robust method for distinguishing homogeneous from inhomogeneous optical systems.
- This approach facilitates the study of space-variant polarized beams and the characterization of optical elements.
Related Concept Videos
Gauss's Law: Planar Symmetry
9.7K
A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...
9.7K
Transformation of Plane Strain
583
When analyzing elongated structures like bars subjected to uniformly distributed loads, it is essential to understand the transformation of plane strain when coordinate axes are rotated. This transformation helps to assess how material deformation characteristics vary with orientation, which is crucial in materials science and structural engineering.
Under plane strain conditions, typical for members where one dimension significantly exceeds the others, deformations and resultant strains are...
Under plane strain conditions, typical for members where one dimension significantly exceeds the others, deformations and resultant strains are...
583
Curvilinear Motion: Rectangular Components
1.4K
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
1.4K
Unsymmetric Bending - Angle of Neutral Axis
924
Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
When a bending moment is applied at an angle θ concerning the vertical axis of a symmetrical member, it can be resolved into components along the member's principal...
When a bending moment is applied at an angle θ concerning the vertical axis of a symmetrical member, it can be resolved into components along the member's principal...
924
Mohr's Circle for Plane Strain
1.3K
Mohr's circle is a crucial graphical method used to analyze plane strain by plotting strain on a set of cartesian coordinates, where the abscissa is normal strain ∈ and the ordinate is shear strain γ. Similarly to Mohr’s circle for plane stress, two points X and Y are plotted. Their coordinates are (∈x, -γXY) and (∈Y, γXY), respectively.
Mohr's circle visually represents the strain states under various conditions, which is essential for...
Mohr's circle visually represents the strain states under various conditions, which is essential for...
1.3K
Deformations in a Transverse Cross Section
675
When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
675

