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Related Concept Videos

Polar Coordinates: Problem Solving01:27

Polar Coordinates: Problem Solving

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...
Group Polarization01:01

Group Polarization

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.
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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Related Experiment Video

Updated: Jun 16, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Optical beam shaping devices using polarization effects.

W W Simmons, G W Leppelmeier, B C Johnson

    Applied Optics
    |February 6, 2010
    PubMed
    Summary
    This summary is machine-generated.

    New optical devices control light polarization to shape laser beams. These advancements are significant for high-energy laser systems requiring precise beam control.

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    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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    Last Updated: Jun 16, 2026

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

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    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    Area of Science:

    • Optics and Photonics
    • Laser Technology

    Background:

    • Controlling light polarization is crucial for advanced optical systems.
    • High-energy laser systems require precise beam shaping for various applications.

    Purpose of the Study:

    • To design, construct, and evaluate novel optical devices.
    • To explore the use of polarization control for radially varying transmission.
    • To assess the significance of these devices for laser beam shaping.

    Main Methods:

    • Design of optical devices based on polarization control.
    • Construction of prototype devices.
    • Experimental evaluation of device performance.

    Main Results:

    • Successful design and construction of devices with radially varying transmission.
    • Demonstration of control over monochromatic light polarization.
    • Experimental validation of the devices' functionality.

    Conclusions:

    • The developed devices effectively control light polarization to achieve desired transmission characteristics.
    • These polarization-based devices show significant potential for beam shaping in high-energy laser systems.