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

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.

You might also read

Related Articles

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

Sort by
Same author

The Brain Age Gap as a Predictor of Alcohol Initiation in Adolescence.

bioRxiv : the preprint server for biology·2026
Same author

The interplay between vapour, liquid, and solid phases in laser powder bed fusion.

Nature communications·2022
Same author

Dynamics of picosecond laser ablation for surgical treatment of colorectal cancer.

Scientific reports·2020
Same author

Genetic variation and asexual reproduction in the facultatively parthenogenetic cockroach Nauphoeta cinerea: implications for the evolution of sex.

Journal of evolutionary biology·2017
Same author

Enhanced case management can be delivered for patients with EVD in Africa: Experience from a UK military Ebola treatment centre in Sierra Leone.

The Journal of infection·2017
Same author

Using wire shaping techniques and holographic optics to optimize deposition characteristics in wire-based laser cladding.

Proceedings. Mathematical, physical, and engineering sciences·2017
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 8, 2026

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
11:34

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

Phase extraction from electronic speckle pattern interferometry addition fringes.

A J Moore, J R Tyrer, F M Santoyo

    Applied Optics
    |October 14, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Researchers developed new algorithms for electronic speckle pattern interferometry (ESPI) to extract phase information from addition fringes. This advancement allows for deformation analysis in challenging environments, overcoming previous limitations in fringe visibility and automatic phase extraction.

    More Related Videos

    Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes
    06:56

    Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

    Published on: May 23, 2017

    Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)
    19:16

    Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)

    Published on: August 5, 2009

    Related Experiment Videos

    Last Updated: Jun 8, 2026

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
    11:34

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

    Published on: December 3, 2013

    Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes
    06:56

    Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

    Published on: May 23, 2017

    Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)
    19:16

    Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)

    Published on: August 5, 2009

    Area of Science:

    • Optical Engineering
    • Metrology
    • Experimental Mechanics

    Background:

    • Electronic Speckle Pattern Interferometry (ESPI) enables real-time deformation analysis.
    • Twin-pulsed lasers in ESPI allow deformation studies in harsh conditions.
    • Addition fringes in ESPI suffer from poor visibility due to additive optical noise, hindering automatic phase extraction.

    Purpose of the Study:

    • To develop novel phase-stepping algorithms for extracting phase from ESPI fringes.
    • To enable automatic phase extraction from low-visibility addition fringes without preprocessing filters.
    • To advance the application of twin-pulsed ESPI for deformation analysis.

    Main Methods:

    • Development of two phase-stepping algorithms designed to work directly with ESPI fringe patterns.
    • Algorithm 1: Focuses on ESPI subtraction fringes, demonstrating improved accuracy.
    • Algorithm 2: Addresses ESPI addition fringes, achieving phase extraction for the first time.

    Main Results:

    • Successful demonstration of phase extraction from ESPI addition fringes using a novel algorithm.
    • Validation of algorithms with both theoretical data and experimental fringe patterns from a continuous-wave (cw) laser.
    • The proposed methods bypass the need for low-pass filtering, which previously removed low-visibility fringes.

    Conclusions:

    • The presented algorithms represent a significant step towards reliable phase extraction from twin-pulsed ESPI.
    • Automatic phase extraction from addition fringes is now achievable, broadening the applicability of ESPI.
    • This work overcomes a critical limitation in analyzing deformations under challenging environmental conditions.