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

Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences01:17

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

A pulse is a short burst of radio waves distributed over a range of frequencies that simultaneously excites all the nuclei in the sample. Upon passing a radio frequency pulse along the x-axis, the nuclei absorb energy corresponding to their Larmor frequencies and achieve resonance. This shifts the net magnetization vector from the z-axis toward the transverse plane. This angle of rotation of the magnetization vector, or the flip angle, is proportional to the duration and intensity of the pulse.

You might also read

Related Articles

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

Sort by
Same author

An optimized dual-branch method for DNA enhancer identification based on pretrained models and multi-scale local regulatory motif extraction.

Scientific reports·2026
Same author

Spatiotemporal dynamics of renal distal convoluted tubule dilatation and cyst formation in nephronophthisis type 1 mice.

Renal failure·2026
Same author

Pulse-duration dependence of electron acceleration and betatron radiation in tightly focused laser wakefield acceleration.

Optics express·2026
Same author

Deubiquitination of ETV4 by USP7 Promotes NSCLC Tumorigenesis via MAPK7 Activation.

Human mutation·2026
Same author

The Effects of Traditional Chinese Music and Western Classical Music on Mental Fatigue Induced by Cognitive Tasks.

Behavioral sciences (Basel, Switzerland)·2026
Same author

A <i>Trichoderma hamatum</i> Biostimulant Modulates Physiology and Gene Expression to Enhance Lettuce Salt Tolerance.

Current issues in molecular biology·2026

Related Experiment Video

Updated: Jun 22, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Single attosecond pulse generation using two-color polarized time-gating technique.

Yiping Huo, Zhinan Zeng, Ruxin Li

    Optics Express
    |June 9, 2009
    PubMed
    Summary

    Researchers generated single attosecond pulses using a novel two-color pump pulse technique. This method produces stronger attosecond pulses compared to traditional methods, advancing ultrafast science.

    More Related Videos

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
    10:52

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

    Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
    15:58

    Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

    Published on: December 3, 2013

    Related Experiment Videos

    Last Updated: Jun 22, 2026

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
    10:52

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

    Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
    15:58

    Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

    Published on: December 3, 2013

    Area of Science:

    • Quantum optics
    • Attosecond science
    • Nonlinear optics

    Background:

    • High-order harmonic generation (HHG) is a key process for producing extreme ultraviolet (XUV) and soft X-ray radiation.
    • Generating isolated attosecond pulses is crucial for probing ultrafast electron dynamics.
    • Current methods often rely on complex setups or produce weaker pulses.

    Purpose of the Study:

    • To propose and numerically investigate a novel method for generating single attosecond pulses.
    • To utilize a two-color pump pulse with time-dependent ellipticity for enhanced high-order harmonic generation.
    • To achieve stronger and isolated attosecond pulses compared to existing techniques.

    Main Methods:

    • Numerical simulations of high-order harmonic generation.
    • Employing a two-color pump pulse composed of fundamental and second harmonic fields.
    • Utilizing specific polarizations (left-circular for fundamental, right-circular for second harmonic) and pulse delays.
    • Investigating pulse synthesis of 20 fs left-hand and right-hand circularly polarized pulses with a 20 fs delay.

    Main Results:

    • Successful generation of single attosecond pulses in the cut-off region.
    • The synthesized two-color circularly polarized pulses yield significantly stronger attosecond pulses.
    • The generated pulses are more intense than those produced by few-cycle linearly polarized pulses of comparable intensity.

    Conclusions:

    • The proposed two-color pump pulse scheme is an effective method for generating intense, single attosecond pulses.
    • This technique offers a promising route for advancing attosecond science and ultrafast spectroscopy.
    • The findings provide a new avenue for controlling and optimizing high-order harmonic generation for attosecond pulse production.