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

Exponential and Sinusoidal Signals01:18

Exponential and Sinusoidal Signals

697
The exponential function is crucial for characterizing waveforms that rise and decay rapidly. This continuous-time exponential function is defined using exponential terms with constants α and A. When both constants are real, the function is represented as,
697
¹H NMR of Labile Protons: Temporal Resolution01:10

¹H NMR of Labile Protons: Temporal Resolution

1.7K
Protons bonded to heteroatoms such as nitrogen and oxygen exhibit a range of chemical shift values. This is due to the varying degree of hydrogen bonding between the proton and the heteroatom in other molecules. The extent of hydrogen bonding affects the electron density around the proton, thereby giving different chemical shift values for the protons in the proton NMR spectrum.
The –OH proton in alcohols typically appears in the range of δ 2 to 5 ppm but can vary depending on the specific...
1.7K
Interference and Diffraction02:18

Interference and Diffraction

51.9K
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.
51.9K
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

12.6K
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...
12.6K
¹H NMR of Conformationally Flexible Molecules: Temporal Resolution00:52

¹H NMR of Conformationally Flexible Molecules: Temporal Resolution

1.3K
At room temperature, the chair conformer of cyclohexane undergoes rapid ring flipping between two equivalent chair conformers at a rate of approximately 105 times per second. These two chair conformers are in equilibrium. The rapid ring flipping results in the interconversion of the axial proton to an equatorial proton and an equatorial to the axial proton. Such interconversions are too rapid and cannot be detected on the NMR timescale. Hence, the NMR spectrometer cannot distinguish between the...
1.3K
Sinusoidal Sources01:18

Sinusoidal Sources

1.1K
Direct current (DC) refers to an electric current that flows in a single direction, maintaining a constant polarity. This is in contrast to alternating current (AC), which periodically changes its direction and magnitude. AC forms the backbone of modern electricity transmission and distribution systems due to its efficient long-distance transmission capabilities.
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
1.1K

You might also read

Related Articles

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

Sort by
Same author

Real-world outcomes of [<sup>177</sup>Lu]Lu-PSMA-I&T in [<sup>18</sup>F]FDG-positive metastatic castration-resistant prostate cancer: factors related to response and survival.

European journal of nuclear medicine and molecular imaging·2026
Same author

Early cAMP signaling orchestrates single-cell synchronicity throughout Dictyostelium development.

Communications biology·2026
Same author

Mutual suppression between mutations in the Dictyostelium Greenbeard pathway restores wild-type development.

BMC genomics·2025
Same author

Author Correction: Global influence of soil texture on ecosystem water limitation.

Nature·2025
Same author

Digital Twins for 3D Confocal Microscopy: Near-Field, Far-Field, and Comparison with Experiments.

Sensors (Basel, Switzerland)·2025
Same author

Going against the family: Perturbation of a greenbeard pathway leads to falsebeard cheating.

iScience·2024
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Jan 23, 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

10.3K

Temporal high-resolution evaluation algorithm for sinusoidally phase modulated interference signals.

Stanislav Tereschenko, Marcel Dissemond, Kevin Weinke

    Optics Express
    |June 6, 2019
    PubMed
    Summary
    This summary is machine-generated.

    This study enhances phase analysis for interference signals, improving optical path length measurements. The new high-resolution mode offers detailed phase data without hardware modifications.

    More Related Videos

    Phase Contrast and Differential Interference Contrast DIC Microscopy
    06:49

    Phase Contrast and Differential Interference Contrast DIC Microscopy

    Published on: August 6, 2008

    54.0K
    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

    16.0K

    Related Experiment Videos

    Last Updated: Jan 23, 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

    10.3K
    Phase Contrast and Differential Interference Contrast DIC Microscopy
    06:49

    Phase Contrast and Differential Interference Contrast DIC Microscopy

    Published on: August 6, 2008

    54.0K
    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

    16.0K

    Area of Science:

    • Optical Physics
    • Interferometry
    • Signal Processing

    Background:

    • Interferometry is crucial for measuring optical path length changes.
    • Sinusoidally phase-shifted interference signals are commonly used.
    • Existing algorithms have limitations in practical implementation.

    Purpose of the Study:

    • To present a practical approach for phase analysis of interference signals.
    • To address limitations of the de Groot algorithm.
    • To introduce a temporal high-resolution mode for enhanced phase analysis.

    Main Methods:

    • Detailed explanation of the de Groot algorithm.
    • Identification and mitigation of practical implementation challenges.
    • Development of a temporal high-resolution extension.

    Main Results:

    • Overcoming limitations of the original algorithm.
    • Enabling phase value calculation for each sampled point.
    • Demonstrating new applications without hardware changes.

    Conclusions:

    • The enhanced phase analysis algorithm provides practical solutions.
    • The temporal high-resolution mode expands interferometry applications.
    • Simulated and experimental results validate the extended algorithm.