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

Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

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 stress...
Deflection of a Beam01:19

Deflection of a Beam

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...
Prismatic Beams: Problem Solving01:15

Prismatic Beams: Problem Solving

In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the designer...
Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Deformation of a Beam under Transverse Loading01:15

Deformation of a Beam under Transverse Loading

Understanding beam deflection, particularly for indeterminate beams with overhanging segments and multiple concentrated loads, is crucial for ensuring structural integrity and functionality. The process begins with constructing an accurate free-body diagram, which helps identify the forces and moments acting on the beam. This diagram is vital for visualizing how bending moments vary along the beam's length, influencing its curvature.
The insights from the bending moment diagram extend to...
Beams with Symmetric Loadings01:15

Beams with Symmetric Loadings

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...

You might also read

Related Articles

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

Sort by
Same author

[The effect of the PI3K/Akt/HIF-1α signaling pathway in the changes of urinary metabolite in silicosis mice model].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2026
Same author

[Research progress of intelligent responsive hydrogels in alveolar bone repair and regeneration].

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology·2026
Same author

Differential Efficacy of Immunotherapy for Hepatocellular Carcinoma by Aetiology: A Systematic Review and Meta-Analysis.

Clinical oncology (Royal College of Radiologists (Great Britain))·2026
Same author

Nutrient restriction protects against valve interstitial cell calcification by upregulating ubiquitin mediated proteolysis.

Frontiers in cardiovascular medicine·2025
Same author

Cancer-Associated Fibroblast-Driven Progression of HPV+ Head and Neck Cancer with Organoid Models.

Journal of dental research·2025
Same author

[Research progresses on phosphate homeostasis and phosphate toxicity in type 2 diabetes mellitus and its complications].

Zhonghua nei ke za zhi·2025
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Related Experiment Video

Updated: Jun 7, 2026

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

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

Published on: January 28, 2019

Diffractive phase elements for beam shaping: a new design method.

X Tan, B Y Gu, G Z Yang

    Applied Optics
    |November 2, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new design method using the Yang-Gu algorithm enhances diffractive phase elements for efficient optical beam shaping. This method optimizes energy transfer, converting Gaussian laser beams into uniform outputs with high fidelity.

    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

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
    05:57

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

    Published on: April 1, 2020

    Related Experiment Videos

    Last Updated: Jun 7, 2026

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

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

    Published on: January 28, 2019

    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

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
    05:57

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

    Published on: April 1, 2020

    Area of Science:

    • Optics and Photonics
    • Computational Optics
    • Diffractive Optics

    Background:

    • Optical systems often require precise beam shaping for various applications.
    • Diffractive phase elements (DPEs) offer a compact and efficient solution for beam manipulation.
    • Existing algorithms like Gerchberg-Saxton have limitations in achieving high energy transfer efficiency.

    Purpose of the Study:

    • To propose and validate a novel design method for DPEs based on the Yang-Gu algorithm.
    • To achieve high energy transfer efficiency in optical beam shaping.
    • To compare the performance of Yang-Gu algorithm-based DPEs with other methods.

    Main Methods:

    • Utilized the Yang-Gu algorithm for calculating phase distributions of DPEs.
    • Performed detailed simulation computations for rotationally symmetric beam shaping.
    • Compared simulation results with geometrical transformation technique and Gerchberg-Saxton algorithm.

    Main Results:

    • The proposed Yang-Gu algorithm-based design method achieves high energy transfer efficiency.
    • Simulations demonstrated successful conversion of Gaussian laser beams into uniform beams.
    • Comparative analysis showed superior performance of the Yang-Gu algorithm for specific beam shaping tasks.

    Conclusions:

    • The Yang-Gu algorithm provides an effective approach for designing high-efficiency diffractive phase elements.
    • This method is suitable for applications requiring precise beam shaping, such as uniform illumination.
    • The study highlights the advantages of the Yang-Gu algorithm over traditional methods for energy-efficient beam shaping.