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

Shear on the Horizontal Face of a Beam Element01:16

Shear on the Horizontal Face of a Beam Element

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 first...

You might also read

Related Articles

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

Sort by
Same author

Do sperm and lubricants <i>gel</i> well with each other? A systematic review.

Human fertility (Cambridge, England)·2023
Same author

Tracking sub-nanometer thermal structural changes with speckle interferometry.

Applied optics·2020
Same author

Provision of obstetrics and gynaecology services during the COVID-19 pandemic: a survey of junior doctors in the UK National Health Service.

BJOG : an international journal of obstetrics and gynaecology·2020
Same author

Sub-picometer dynamic measurements of a diffuse surface.

Applied optics·2019
Same author

Effect of retroreflection on a Fizeau phase-shifting interferometer.

Applied optics·2010
Same author

Absolute testing of flats by using even and odd functions.

Applied optics·2010
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 16, 2026

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

Evaluation of large aberrations using a lateral-shear interferometer having variable shear.

M P Rimmer, J C Wyant

    Applied Optics
    |February 6, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel lateral-shear interferometer accurately measures large wavefront aberrations beyond the capabilities of traditional Twyman-Green systems. This holographic grating interferometer offers high precision for complex optical testing.

    More Related Videos

    Studying Large Amplitude Oscillatory Shear Response of Soft Materials
    06:07

    Studying Large Amplitude Oscillatory Shear Response of Soft Materials

    Published on: April 25, 2019

    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
    07:55

    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

    Published on: September 22, 2017

    Related Experiment Videos

    Last Updated: Jun 16, 2026

    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

    Studying Large Amplitude Oscillatory Shear Response of Soft Materials
    06:07

    Studying Large Amplitude Oscillatory Shear Response of Soft Materials

    Published on: April 25, 2019

    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
    07:55

    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

    Published on: September 22, 2017

    Area of Science:

    • Optical Engineering
    • Interferometry
    • Metrology

    Background:

    • Traditional interferometers like the Twyman-Green have limitations in measuring large wavefront aberrations and slope variations.
    • Testing nonrotationally symmetric wavefronts often requires advanced interferometric techniques.

    Purpose of the Study:

    • To introduce and evaluate a variable shear lateral shearing interferometer for testing complex wavefronts.
    • To compare the performance of the lateral-shear interferometer with the Twyman-Green interferometer for wavefront aberration measurements.

    Main Methods:

    • Utilized a variable shear lateral shearing interferometer constructed with two holographically produced crossed diffraction gratings.
    • Tested nonrotationally symmetric wavefronts with aberrations exceeding 100 wavelengths and slope variations over 400 wavelengths/diameter.
    • Performed comparative tests with a Twyman-Green interferometer for aberrations up to 30 wavelengths.

    Main Results:

    • The lateral-shear interferometer demonstrated comparable accuracy to the Twyman-Green interferometer for small wavefront aberrations (up to 30 wavelengths).
    • Successfully measured wavefront aberrations that are unmeasurable by conventional Twyman-Green interferometers.
    • Achieved measurement accuracy of approximately 1% or better for previously unmeasurable aberrations.

    Conclusions:

    • The variable shear lateral shearing interferometer is a powerful tool for measuring large and complex wavefront aberrations.
    • This holographic grating-based system extends the capabilities of optical testing beyond traditional interferometric methods.
    • Offers a viable and accurate solution for characterizing optical components with significant aberrations.