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

Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

911
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
911
Interference and Diffraction02:18

Interference and Diffraction

28.6K
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.
28.6K
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

9.3K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
9.3K
Interference: Path Lengths01:10

Interference: Path Lengths

2.5K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
2.5K
IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations01:08

IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations

2.0K
Identical bonds within a polyatomic group can stretch symmetrically (in-phase) or asymmetrically (out-of-phase). Similar to hydrogen bonding, these vibrations also influence the shape of the IR peak. Generally, asymmetric stretching frequencies are higher than symmetric stretching frequencies. For example, primary amines exhibit two distinct IR peaks between 3300–3500 cm−1 corresponding to the symmetric and asymmetric N-H stretching, while secondary amines exhibit a single...
2.0K
Phase Changes01:19

Phase Changes

3.7K
Phase transitions play an important theoretical and practical role in the study of heat flow. In melting or fusion, a solid turns into a liquid; the opposite process is freezing. In evaporation, a liquid turns into a gas; the opposite process is condensation.
A substance melts or freezes at a temperature called its melting point and boils or condenses at its boiling point. These temperatures depend on pressure. High pressure favors the denser form of the substance, so typically, high pressure...
3.7K

You might also read

Related Articles

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

Sort by
Same author

Rupture of thin liquid films: generalization of weakly nonlinear theory.

Physical review. E, Statistical, nonlinear, and soft matter physics·2011
Same author

Stability of localized solutions in a subcritically unstable pattern-forming system under a global delayed control.

Physical review. E, Statistical, nonlinear, and soft matter physics·2007
Same author

Nonlinear rupture of thin liquid films on solid surfaces.

Physical review. E, Statistical, nonlinear, and soft matter physics·2005
Same author

Measurements of protein-protein interactions by size exclusion chromatography.

Biophysical journal·2003
Same author

Axisymmetric motion of a pair of deformable heavy drops in an upward temperature gradient.

Journal of colloid and interface science·2003

Related Experiment Video

Updated: Apr 25, 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

9.4K

Continuous recovery of phase from a single interferogram.

V Berejnov, B Y Rubinstein

    Journal of the Optical Society of America. A, Optics, Image Science, and Vision
    |April 24, 2026
    PubMed
    Summary

    This study introduces a novel mathematical framework for phase recovery from single interferograms, bypassing traditional unwrapping methods. The new approach uses a differential equation for continuous phase retrieval, offering a simpler alternative for optical metrology.

    More Related Videos

    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
    10:39

    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

    Published on: October 11, 2016

    9.1K
    Imaging Intermediate Filaments and Microtubules with 2-dimensional Direct Stochastic Optical Reconstruction Microscopy
    14:23

    Imaging Intermediate Filaments and Microtubules with 2-dimensional Direct Stochastic Optical Reconstruction Microscopy

    Published on: March 6, 2018

    10.5K

    Related Experiment Videos

    Last Updated: Apr 25, 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

    9.4K
    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
    10:39

    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

    Published on: October 11, 2016

    9.1K
    Imaging Intermediate Filaments and Microtubules with 2-dimensional Direct Stochastic Optical Reconstruction Microscopy
    14:23

    Imaging Intermediate Filaments and Microtubules with 2-dimensional Direct Stochastic Optical Reconstruction Microscopy

    Published on: March 6, 2018

    10.5K

    Area of Science:

    • Optical Metrology
    • Mathematical Physics
    • Interferometry

    Background:

    • Phase recovery from interferograms is crucial in optical metrology.
    • Conventional methods like trigonometric inversion require phase unfolding and unwrapping, which are complex and prone to errors due to discontinuities.

    Purpose of the Study:

    • To present a new mathematical framework for phase recovery from a single two-beam interferogram.
    • To bypass the complex phase unfolding and unwrapping steps inherent in conventional methods.

    Main Methods:

    • Formulation of a first-order differential equation directly relating phase to the interferogram.
    • Integration of the differential equation to achieve continuous phase retrieval.
    • The framework is derived from first principles and is applicable to both Newton-type and Fizeau-type interferograms.

    Main Results:

    • A novel, direct method for phase recovery from single interferograms is established.
    • The approach successfully retrieves continuous phase information along any straight path, avoiding discontinuities.
    • Demonstrated performance on synthetic interferograms of increasing complexity, validated against known phase data.

    Conclusions:

    • The presented mathematical framework offers a new class of analytical tools for single-interferogram phase retrieval.
    • This method simplifies phase recovery by eliminating the need for intricate unfolding and unwrapping algorithms.
    • The approach provides a robust and efficient alternative for various interferometric applications.