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

Doppler Effect - II01:05

Doppler Effect - II

3.7K
The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...
3.7K
Speed of a Transverse Wave01:13

Speed of a Transverse Wave

1.9K
The speed of a wave depends on the characteristics of the medium. For example, in the case of a guitar, the strings vibrate to produce the sound. The speed of the waves on the strings and the wavelength determine the frequency of the sound produced. The strings on a guitar have different thicknesses but may be made of similar material. They have different linear densities, and the linear density is defined as the mass per length.
One of the key properties of any wave is the wave speed. Light...
1.9K
Doppler Effect - I00:56

Doppler Effect - I

3.9K
The Doppler effect and Doppler shift were named after the Austrian physicist and mathematician Christian Johann Doppler in 1842, who conducted experiments with both moving sources and moving observers. Consider an observer standing on a street corner, observing an ambulance with a siren sound passing by at a constant speed. The observer experiences two characteristic changes in the sound of the siren. Initially, the sound increases in loudness as the ambulance approaches and decreases in...
3.9K

You might also read

Related Articles

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

Sort by
Same author

Curvilinear association between loneliness and hair cortisol concentrations in community-dwelling older adults at elevated cardiovascular risk.

Comprehensive psychoneuroendocrinology·2026
Same author

Targeting Cuproptosis and Ferroptosis via a ROS-Responsive Nanoplatform for Enhanced Synergistic Therapy Against Hepatocellular Carcinoma.

Antioxidants (Basel, Switzerland)·2026
Same author

Nanomaterial-Based Approaches for the Isolation and Characterization of Extracellular Vesicles.

Analytical chemistry·2026
Same author

Mechanisms by Which Exercise Delays Brain Aging Through Regulation of the Mitochondrial Quality Control System.

Biology·2026
Same author

Effect of Repetitive Transcranial Magnetic Stimulation Combined With Lower Limb Rehabilitation Robots on Knee Hyperextension in Stroke Patients With Hemiplegia.

British journal of hospital medicine (London, England : 2005)·2026
Same author

A concept analysis of patient participation in medication safety among older adults with stroke in China: a hybrid model.

BMC geriatrics·2026

Related Experiment Video

Updated: Oct 11, 2025

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

22.0K

Group-velocity dispersion emulator using a time lens.

Xinyi Zhu, Luis Romero Cortés, José Azaña

    Optics Letters
    |December 1, 2021
    PubMed
    Summary

    Researchers developed a new technique to continuously monitor waveform changes in dispersion media. This method uses phase modulation to precisely track temporal evolution and optimize optical pulse compression.

    Area of Science:

    • Optics and Photonics
    • Wave Propagation
    • Nonlinear Optics

    Background:

    • Group-velocity dispersion (GVD) significantly alters optical waveforms during propagation.
    • Accurate tracking of temporal waveform evolution is crucial for many optical applications.
    • Existing methods for monitoring waveform dispersion can be complex or limited.

    Purpose of the Study:

    • To introduce a novel, continuous method for tracking arbitrary complex waveform temporal evolution in GVD media.
    • To demonstrate the utility of phase modulation for characterizing dispersion-induced waveform changes.
    • To apply the method for optimizing optical pulse compression.

    Main Methods:

    • Utilizing a single-frequency-driven phase modulator to impart sinusoidal temporal phase modulation.

    More Related Videos

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
    09:57

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

    Published on: July 25, 2022

    4.1K
    High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis
    13:31

    High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

    Published on: December 22, 2015

    15.2K

    Related Experiment Videos

    Last Updated: Oct 11, 2025

    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

    22.0K
    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
    09:57

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

    Published on: July 25, 2022

    4.1K
    High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis
    13:31

    High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

    Published on: December 22, 2015

    15.2K
  • Exploiting the spectral mapping between the modulated input waveform and the dispersed output waveform.
  • Experimentally verifying the method by tracking picosecond optical pulses through varying dispersion levels.

    • Main Results:

    • The proposed method successfully tracks the dispersion-induced temporal evolution of complex optical waveforms.
    • Experimental results show good agreement between measured spectra and predicted waveform shapes.
    • The technique was effectively applied to determine optimal pulse compression conditions for chirped optical pulses.

    Conclusions:

    • The developed phase modulation technique offers a powerful and continuous approach to monitor waveform dispersion.
    • This method provides a versatile tool for characterizing optical pulse propagation and optimizing pulse manipulation.
    • The findings have implications for advanced optical signal processing and measurement.