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

548
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...
548
Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

676
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
676
Shear on the Horizontal Face of a Beam Element01:16

Shear on the Horizontal Face of a Beam Element

674
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...
674
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

535
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...
535
Deflection of a Beam01:19

Deflection of a Beam

970
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...
970
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

1.7K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.7K

You might also read

Related Articles

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

Sort by
Same author

Data-driven model for optical-force calculation in fiber-optic tweezers.

Optics express·2026
Same author

Tactile sensing artificial finger skin: equivalent multi-round dense sampling training strategy for network demodulation.

Optics express·2026
Same author

Small-dataset speckle feature transfer imaging in a multimode fiber.

Optics express·2026
Same author

ISO-1 sustained-release hydrogel repairs infected bone defects by suppressing osteoblast pyroptosis and enhancing osteogenic differentiation via the MIF-CD74/PI3K/AKT signaling pathway.

Materials today. Bio·2026
Same author

Efficacy of autologous stem cell at different doses combined with core decompression in the treatment of osteonecrosis of the femoral head: a systematic review and network meta-analysis.

Frontiers in endocrinology·2026
Same author

Background segmentation and aberration fitting via deep learning for accurate phase correction in digital holographic interferometry.

Optics express·2026
Same journal

Multi-module collaborative optimization-driven fast speckle correlation imaging in variable environments.

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

Secrecy performance analysis of NOMA-UWOC systems over a vertically stratified WGG oceanic turbulence channel.

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

Backscattering of plane waves in a composite system containing a rough surface and anisotropic scatterers.

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

Aspherical surface construction methods based on extended Jacobi polynomials.

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

OCT sidelobe suppression method based on dual-path phase sinusoidal modulation and minimum value fusion.

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

Optical design concepts using wavelength-selective diffractive optics to enable miniaturized multimodal endoscopic imaging across separated spectral ranges.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
See all related articles

Related Experiment Video

Updated: May 5, 2026

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

5.5K

Two-dimensional Airy-like beam generation by coupling waveguides.

Hongchang Deng, Libo Yuan

    Journal of the Optical Society of America. A, Optics, Image Science, and Vision
    |December 11, 2013
    PubMed
    Summary
    This summary is machine-generated.

    We demonstrate a novel two-dimensional (2D) Airy-like beam generation technique using arrayed waveguides. These unique beams exhibit self-healing and transverse acceleration properties during propagation.

    More Related Videos

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    22.7K
    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
    11:08

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

    Published on: November 30, 2012

    18.7K

    Related Experiment Videos

    Last Updated: May 5, 2026

    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

    5.5K
    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    22.7K
    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
    11:08

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

    Published on: November 30, 2012

    18.7K

    Area of Science:

    • Optics and Photonics
    • Wave Phenomena

    Background:

    • Traditional Airy beams offer unique propagation dynamics.
    • Generating two-dimensional (2D) Airy-like beams presents challenges.

    Purpose of the Study:

    • To propose and demonstrate a new method for generating 2D Airy-like beams.
    • To investigate the propagation characteristics of these generated beams.

    Main Methods:

    • Utilizing an arrayed waveguide structure for beam generation.
    • Employing coupled-mode theory and the beam propagation method for analysis.

    Main Results:

    • Successfully generated 2D Airy-like beams with quasi-Airy amplitude and cubic-like phase.
    • Observed quasi-nondiffracting, transverse accelerating, and self-healing properties during propagation.

    Conclusions:

    • Arrayed waveguides provide an effective platform for 2D Airy-like beam generation.
    • The demonstrated beams possess desirable characteristics for various optical applications.