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

Beams with Symmetric Loadings01:15

Beams with Symmetric Loadings

216
The moment-area method is an analytical tool used in structural engineering to determine the slope and deflection of beams under various loads. Consider a cantilever with a concentrated load and moment at the free end. The first step is constructing a free-body diagram to calculate the reactions at the fixed end. Next, the bending moment diagram is plotted to visualize how the bending moment varies along the beam's length, focusing on points where the bending moment equals zero.
The M/EI...
216
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

142
Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
142
Deflection of a Beam01:19

Deflection of a Beam

293
Accurately determining beam deflection and slope under various loading conditions in structural engineering is crucial for ensuring safety and structural integrity. Singularity functions offer a streamlined approach to analyzing beams, especially when multiple loading functions complicate the bending moment equation.
Singularity functions, described in an earlier lesson, are powerful mathematical tools that represent discontinuities within a function commonly encountered in structural loading...
293
Shear on the Horizontal Face of a Beam Element01:16

Shear on the Horizontal Face of a Beam Element

206
To understand shear on the flat side of a prismatic beam element, consider the vertical and horizontal shearing forces, and the normal forces, acting on the element. The element's upper (U) and lower (L) sections, which are divided by the beam's neutral axis, are examined. The equilibrium of these forces is determined by applying the equilibrium equation, which helps identify the horizontal shearing force. This force is directly related to the bending moments and the cross-section's...
206
Impact Loading on a Cantilever Beam01:13

Impact Loading on a Cantilever Beam

422
The analysis of a cantilever beam with a circular cross-section subjected to impact loading at its free end illustrates the conversion of potential energy from a dropped object into kinetic energy, which is then absorbed by the beam as strain energy. This process is crucial for understanding how materials behave under dynamic loads, which is important in fields such as construction and aerospace.
When an object is dropped onto the free end of a cantilever, its potential energy due to gravity is...
422
Beams01:30

Beams

1.4K
Beams are integral components of structural engineering and construction, designed to support loads applied at various points along their length. These long, straight members can be classified based on geometry, cross-section, support type, and equilibrium condition.
Based on geometry, beams can be straight, tapered, or curved. Straight beams are the most common type and have a constant cross-section throughout their length. Tapered beams, on the other hand, have a varying cross-section along...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Marcum-Q correlated optical fields.

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

Non-orthogonal basis transformations in structured light via ellipticity-dependent Ince-Gaussian modes.

Optics letters·2026
Same author

Roadmap on singular optics and its applications.

Applied physics. B, Lasers and optics·2026
Same author

Arbitrary spin-orbit conversions enabled by spin-switchable SU(2) rotation using the liquid-crystal geometric phase.

Optics letters·2026
Same author

Tunable structured laser over full spatial spectrum.

Light, science & applications·2026
Same author

Nonclassical Mueller polarimetry.

Optics express·2025
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

Related Experiment Video

Updated: Jul 16, 2025

Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization
09:49

Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization

Published on: December 2, 2013

10.4K

Helico-conical vector beams.

Edgar Medina-Segura, Leonardo Miranda-Culin, Valeria Rodríguez-Fajardo

    Optics Letters
    |September 14, 2023
    PubMed
    Summary
    This summary is machine-generated.

    We introduce helico-conical vector beams (HCVBs), a new type of optical beam. Their polarization properties change during propagation, with potential uses in optical tweezing and information encryption.

    More Related Videos

    Spatial Separation of Molecular Conformers and Clusters
    10:37

    Spatial Separation of Molecular Conformers and Clusters

    Published on: January 9, 2014

    9.0K
    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
    09:33

    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

    Published on: June 7, 2019

    6.3K

    Related Experiment Videos

    Last Updated: Jul 16, 2025

    Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization
    09:49

    Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization

    Published on: December 2, 2013

    10.4K
    Spatial Separation of Molecular Conformers and Clusters
    10:37

    Spatial Separation of Molecular Conformers and Clusters

    Published on: January 9, 2014

    9.0K
    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
    09:33

    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

    Published on: June 7, 2019

    6.3K

    Area of Science:

    • Optics and Photonics
    • Quantum Information Science

    Background:

    • Vector beams possess complex polarization structures crucial for advanced optical applications.
    • Understanding the evolution of beam properties during propagation is essential for their practical implementation.

    Purpose of the Study:

    • To propose and experimentally demonstrate a new family of vector beams: helico-conical vector beams (HCVBs).
    • To investigate the propagation dynamics and polarization characteristics of HCVBs.
    • To introduce and utilize the Hellinger distance as a metric for vectorness.

    Main Methods:

    • Experimental generation and characterization of helico-conical vector beams.
    • Application of Stokes polarimetry to analyze transverse polarization distributions.
    • Quantitative analysis using the Hellinger distance to measure vectorness.

    Main Results:

    • Demonstration of a novel class of vector beams, HCVBs, with spatial degrees of freedom encoded in helico-conical structures.
    • Observation of a transition in transverse polarization distribution from nonhomogeneous to quasihomogeneous upon propagation.
    • Constant global nonseparability alongside a local decrease to a minimum value as propagation distance increases (z → ∞).

    Conclusions:

    • Helico-conical vector beams represent a significant advancement in the study of structured light.
    • The observed polarization evolution and the utility of the Hellinger distance offer new insights into beam properties.
    • HCVBs are the second known family of vector beams exhibiting this propagation behavior, opening avenues for optical tweezing and information encryption.