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

Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

573
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
573
Shear on the Horizontal Face of a Beam Element01:16

Shear on the Horizontal Face of a Beam Element

595
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...
595
Shearing Stresses in a Beam: Problem Solving01:14

Shearing Stresses in a Beam: Problem Solving

767
A cantilever beam with a rectangular cross-section under distributed and point loads experiences shearing stresses. The analysis begins by identifying the loads acting on the beam. Then, the reactions at the beam's fixed end are calculated using equilibrium equations. The vertical reaction is a combination of the distributed and point loads, while the moment reaction is the sum of their moments. The shear force distribution along the beam, resulting from these loads, is established by creating...
767
Shearing Strain01:20

Shearing Strain

1.7K
The shearing strain represents a cubic element's angular change when subjected to shearing stress. This type of stress can transform a cube into an oblique parallelepiped without influencing normal strains. The cubic element experiences a significant transformation when exposed solely to shearing stress. Its shape alters from a perfect cube into a rhomboid, clearly demonstrating the effect of shearing strain. The degree of this strain is considered positive if it reduces the angle between the...
1.7K
Shearing Stress01:18

Shearing Stress

2.4K
Shearing stress, denoted by the Greek letter tau (τ), is stress caused by forces acting transversely on an object. These forces create internal ones within the entity in the plane where the external forces are applied. The resultant of these internal forces is the shear in the section.
The average shearing stress can be calculated by dividing the shear by the area of the cross-section.
2.4K

You might also read

Related Articles

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

Sort by
Same author

Construction and evaluation of an OSCE-based standardized training model for outpatient pharmacists: A single-center study.

Currents in pharmacy teaching & learning·2026
Same author

Research on an Improved YOLOv8 Detection Method for Surface Defects of Optical Components.

Micromachines·2025
Same author

Effect of stereochemistry at position C14 on the antiproliferative activity and selectivity of simplified oridonin O-acylated derivatives.

European journal of medicinal chemistry·2025
Same author

High-precision computation method for key parameters in lateral shearing interferometry.

Applied optics·2025
Same author

Synchronous multi-wavelength interferometric method for measuring aspherical surface profile.

Optics express·2025
Same author

Effects of Different Proportions of DHA and ARA on Cognitive Development in Infants: A Meta-Analysis.

Nutrients·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: Mar 19, 2026

Sample Drift Correction Following 4D Confocal Time-lapse Imaging
10:04

Sample Drift Correction Following 4D Confocal Time-lapse Imaging

Published on: April 12, 2014

17.1K

Improving wavefront reconstruction accuracy in lateral shearing interferometry using a phase-driven shear correction

Meng Wang, Ailing Tian, Jianpeng Mao

    Applied Optics
    |March 17, 2026
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel phase-driven shear correction method to improve wavefront reconstruction accuracy. The technique optimizes shear estimation and wavefront reconstruction simultaneously, enhancing precision in optical metrology.

    More Related Videos

    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

    10.5K
    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
    06:25

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

    Published on: February 12, 2014

    8.9K

    Related Experiment Videos

    Last Updated: Mar 19, 2026

    Sample Drift Correction Following 4D Confocal Time-lapse Imaging
    10:04

    Sample Drift Correction Following 4D Confocal Time-lapse Imaging

    Published on: April 12, 2014

    17.1K
    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

    10.5K
    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
    06:25

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

    Published on: February 12, 2014

    8.9K

    Area of Science:

    • Optical Metrology
    • Wavefront Sensing and Optical Testing

    Background:

    • Inaccurate shear estimation due to poor interferogram quality hinders precise wavefront reconstruction.
    • Traditional methods struggle with reliable shear estimation, impacting optical system performance.

    Purpose of the Study:

    • To develop and validate a phase-driven shear correction method for enhanced wavefront reconstruction accuracy.
    • To simultaneously optimize shear estimation and wavefront reconstruction using iterative phase matching.

    Main Methods:

    • A phase-driven iterative approach was employed, treating extracted phase as the target and shear amount as the variable.
    • Simulated interferograms with varying shear amounts were used to iteratively update shear estimation.
    • The method was validated through simulations and experimental application for shear correction.

    Main Results:

    • The proposed method consistently converges to the actual shear amount across different shearing conditions.
    • Significant enhancement in wavefront reconstruction accuracy was observed compared to traditional methods.
    • Experimental results showed a reduction in peak-to-valley deviation from 0.0454λ to 0.0255λ.

    Conclusions:

    • The phase-driven shear correction method accurately estimates shear and improves wavefront reconstruction.
    • This technique offers a reliable solution for overcoming interferogram quality limitations in optical testing.
    • The validated accuracy and reliability make it suitable for demanding optical metrology applications.