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Related Concept Videos

Potential Due to a Polarized Object01:29

Potential Due to a Polarized Object

A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
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Directional radiation patterns are central to antenna analysis, as they illustrate how signal strength varies with direction. These patterns are often modeled using polar plots, where the radial distance from the origin represents signal intensity at a given angle. A commonly used idealized form is the four-lobed rose curve, which captures the concept of directional beams in a simplified mathematical form.The four-lobed rose curve, described by r = cos⁡(2θ), features four symmetric lobes, each...
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Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
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Dielectric Polarization in a Capacitor

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Polar Coordinate System

The polar coordinate system provides a natural way to describe points in the plane when distances and directions are more meaningful than horizontal and vertical displacements. It is especially useful for modeling non-rectangular regions such as circles and spirals, where symmetry about a center point is easier to express than it is in a rectangular grid. A familiar example is a ship’s plan position indicator, which marks detected targets as dots positioned relative to the ship at the display’s...
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The power factor is defined as the ratio of average (or active) power to apparent power, as illustrated by the relation

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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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Published on: September 5, 2019

Light polarization problems.

V Maxia

    Applied Optics
    |February 19, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a coherency matrix method for analyzing how optical devices affect light polarization. It highlights the distinct advantages of this approach compared to the traditional Mueller calculus.

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    Area of Science:

    • Optics and Photonics
    • Polarization Optics

    Background:

    • Light polarization is a fundamental property influencing optical phenomena and device performance.
    • Existing methods like Mueller calculus have limitations in fully characterizing polarization effects.

    Purpose of the Study:

    • To introduce and explain a novel method utilizing the coherency matrix for polarization analysis.
    • To compare the coherency matrix method with the established Mueller calculus.

    Main Methods:

    • Development of a theoretical framework based on the coherency matrix.
    • Application of the coherency matrix to analyze optical phenomena and devices affecting polarization.
    • Comparative analysis against Mueller calculus.

    Main Results:

    • The coherency matrix method provides a comprehensive description of polarization states.
    • Identified unique features and advantages of the coherency matrix approach over Mueller calculus.
    • Demonstrated the method's suitability for diverse optical applications.

    Conclusions:

    • The coherency matrix method offers a powerful alternative for polarization analysis in optics.
    • This approach enhances the understanding and design of polarization-sensitive optical systems.