Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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...
Angular Momentum01:21

Angular Momentum

Angular momentum characterizes an object's rotational motion and is defined as the moment of its linear momentum about a specified point O. When a particle moves along a curved path in the x-y plane, the scalar formulation calculates the magnitude of its angular momentum, utilizing the moment arm (d), representing the perpendicular distance from point O to the line of action of the linear momentum. Despite being scalar in formulation, angular momentum is inherently a vector quantity. Its...
Moments of Inertia for an Area about Inclined Axes01:18

Moments of Inertia for an Area about Inclined Axes

In physics and engineering, understanding the moments of inertia for a given area with asymmetrical mass distribution is critical for proper design and analysis. When considering an arbitrary coordinate system, the moments of inertia can be obtained by integrating the moment of inertia for an infinitesimal area element.
Angular Momentum about an Arbitrary Axis01:11

Angular Momentum about an Arbitrary Axis

Imagine a rigid body with a mass denoted as 'm', which has its center of mass at point G and is rotating around an inertial reference frame. The angular momentum at an arbitrary point P can be calculated by taking the cross product of the position vector and linear momentum vector for each individual mass element.
The velocity of a mass element comprises its translational velocity and the relative velocity instigated by the body's rotation. Substituting the velocity equation into the angular...
Angular Momentum: Single Particle01:10

Angular Momentum: Single Particle

Angular momentum is directed perpendicular to the plane of the rotation, and its magnitude depends on the choice of the origin. The perpendicular vector joining the linear momentum vector of an object to the origin is called the “lever arm.” If the lever arm and linear momentum are collinear, then the magnitude of the angular momentum is zero. Therefore, in this case, the object rotates about the origin such that it lies on the rim of the circumference defined by the lever arm magnitude.
The...
Conservation of Angular Momentum: Application01:18

Conservation of Angular Momentum: Application

A system's total angular momentum remains constant if the net external torque acting on the system is zero. Examples of such systems include a freely spinning bicycle tire that slows over time due to torque arising from friction, or the slowing of Earth's rotation over millions of years due to frictional forces exerted on tidal deformations. However in the absence of a net external torque, the angular momentum remains conserved. The conservation of angular momentum principle requires a change...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Stokes and skyrmion tensors and their application to structured light.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same author

Experimental memory control in continuous-variable optical quantum reservoir computing.

Nature photonics·2026
Same author

Optical Activity Modulation in Chiral Metasurfaces via Structured Light.

Nano letters·2025
Same author

Neural networks with quantum states of light.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2024
Same author

The quantum optics of media.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2024
Same author

The quantum theory of light.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2024
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Jun 22, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Angular momentum of multimode and polarization patterns.

Roberta Zambrini, Stephen M Barnett

    Optics Express
    |June 25, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Researchers explored light patterns to optimize optical angular momentum (AM). They found ways to independently control AM and energy, enabling new light-matter interaction studies.

    More Related Videos

    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

    Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization
    05:54

    Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization

    Published on: September 8, 2023

    Related Experiment Videos

    Last Updated: Jun 22, 2026

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
    14:18

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

    Published on: February 28, 2016

    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

    Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization
    05:54

    Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization

    Published on: September 8, 2023

    Area of Science:

    • * Optics and Photonics
    • * Quantum Mechanics
    • * Light-Matter Interactions

    Background:

    • * Interference and superposition of waves in helical modes create complex light patterns.
    • * Understanding the mechanical properties of these light patterns is crucial for advanced applications.
    • * Optical angular momentum (AM) and energy distribution are key parameters in light-matter interactions.

    Purpose of the Study:

    • * To investigate the mechanical properties of multimode and polarization light patterns.
    • * To identify conditions for optimizing optical angular momentum (AM) with increasing beam complexity.
    • * To explore the independent engineering of local optical AM and energy densities.

    Main Methods:

    • * Analysis of interference and superposition of waves in helical modes.
    • * Identification of general local and global properties of energy and angular momentum.
    • * Utilizing multimode Laguerre-Gaussian beams.

    Main Results:

    • * Defined conditions to optimize AM with increasing beam complexity.
    • * Demonstrated independent engineering of local optical AM and energy densities.
    • * Showed tailoring of local spin AM through the Gouy phase using Laguerre-Gaussian beams.

    Conclusions:

    • * The study provides a framework for optimizing optical AM in complex light fields.
    • * Independent control over optical AM and energy densities opens avenues for novel light-matter interaction experiments.
    • * Findings facilitate the development of advanced optical technologies and fundamental physics research.