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

Angular Momentum09:33

Angular Momentum

38.0K
Source: Nicholas Timmons, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA
38.0K
Angular Momentum01:21

Angular Momentum

765
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...
765
Conservation of Angular Momentum01:09

Conservation of Angular Momentum

15.9K
A system's total angular momentum remains constant if the net external torque acting on the system is zero. Considering a system that consists of n tiny particles, the angular momentum of any tiny particle may change, but the system's total angular momentum would remain constant. The principle of conservation of angular momentum only considers the net external torque acting on the system. While there are internal forces exerted by different particles within the system that also produce...
15.9K
Principle of Angular Impulse and Momentum01:23

Principle of Angular Impulse and Momentum

1.2K
The angular impulse and momentum principle provides insights into how forces applied at a distance from an object's rotational axis influence its angular velocity. It builds upon the crucial relationship between the moment of force and angular momentum. By integrating this equation, substituting the limits for the initial and final times, a comprehensive expression representing the angular impulse and momentum principle is derived.
1.2K
Angular Momentum about an Arbitrary Axis01:11

Angular Momentum about an Arbitrary Axis

438
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...
438
Conservation of Angular Momentum: Application01:18

Conservation of Angular Momentum: Application

12.2K
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...
12.2K

You might also read

Related Articles

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

Sort by
Same author

Detection of Poincaré beam coordinates on the hybrid-order Poincaré sphere via Stokes vortex mapping.

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

Studying the interaction between ANS and the FF domain using fluorescence and amide <sup>15</sup>N CEST NMR experiments.

Journal of magnetic resonance (San Diego, Calif. : 1997)·2026
Same author

Correction: Pharmacological safety of dimethoxy curcumin-human serum albumin conjugate for potential therapeutic purpose.

Canadian journal of physiology and pharmacology·2026
Same author

Dual-polarization interferometer using spin-orbit beams.

Applied optics·2025
Same author

Modified phase synthesis for a tunable vortex phase plate working on the Alvarez-Lohmann concept.

Applied optics·2025
Same author

Full characterization of partially coherent vector vortex beams via generalized Stokes parameters.

Optics letters·2025
Same journal

Turbulent flow in a vortex separator with a directed pipe inlet.

Scientific reports·2026
Same journal

Systematic characteristic evaluation of clay-based cementitious material derived from calcium carbide residue and waste tile powder.

Scientific reports·2026
Same journal

Retraction Note: Improvement of a rapid diagnostic application of monoclonal antibodies against avian influenza H7 subtype virus using Europium nanoparticles.

Scientific reports·2026
Same journal

Applying large language models to spam detection in the Kazakh low-resource language setting.

Scientific reports·2026
Same journal

An open-source 3D printing system enabling in-situ freeze-thaw processing of hydrogels.

Scientific reports·2026
Same journal

An enhanced EfficientNet framework for automated waste classification using cosine annealing and label smoothing.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Jan 20, 2026

Principle, Conservation and Measurement of Angular Momentum
09:33

Principle, Conservation and Measurement of Angular Momentum

Published on: April 30, 2023

38.0K

Helicity dependent diffraction by angular momentum transfer.

S Deepa1, Bhargava Ram B S2, P Senthilkumaran2

  • 1Indian Institute of Technology Delhi, Department of Physics, New Delhi, 110016, India. deepasathya12@gmail.com.

Scientific Reports
|August 30, 2019
PubMed
Summary
This summary is machine-generated.

Diffraction can separate polarization singularities by handedness. A fork grating demonstrates this by segregating right and left-handed singularities based on orbital angular momentum (OAM) transfer, making diffraction helicity-dependent.

More Related Videos

Angular Momentum
01:21

Angular Momentum

765
Conservation of Angular Momentum
01:09

Conservation of Angular Momentum

15.9K

Related Experiment Videos

Last Updated: Jan 20, 2026

Principle, Conservation and Measurement of Angular Momentum
09:33

Principle, Conservation and Measurement of Angular Momentum

Published on: April 30, 2023

38.0K
Angular Momentum
01:21

Angular Momentum

765
Conservation of Angular Momentum
01:09

Conservation of Angular Momentum

15.9K

Area of Science:

  • Optics and Photonics
  • Quantum Information Science

Background:

  • Polarization singularities are complex optical states formed by superpositions of left and right-handed circular polarization vortex states.
  • These singularities involve component states with distinct orbital angular momenta (OAM), varying with singularity type.

Purpose of the Study:

  • To demonstrate that diffraction can segregate polarization singularities based on their handedness.
  • To investigate the role of orbital angular momentum transfer in this segregation process.

Main Methods:

  • Utilizing a fork grating capable of generating different OAM states in various diffraction orders.
  • Analyzing the diffraction patterns of V-point polarization singularities incident on the fork grating.

Main Results:

  • The fork grating successfully segregates right and left-handed polarization singularities.
  • Diffraction orders exhibit distinct OAM combinations, preventing uniformity.
  • Each diffraction order contains unique polarization singularities due to OAM transfer.

Conclusions:

  • Diffraction serves as a mechanism for segregating polarization singularities by handedness.
  • The orbital angular momentum transfer facilitated by fork gratings is key to this helicity-dependent segregation.
  • This finding has implications for manipulating and controlling polarization states in optical systems.