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

High-Resolution Photoelectron Spectroscopy of Cryogenically Cooled VO<sub>3</sub>H<sub>2</sub><sup></sup>.

The journal of physical chemistry. A·2026
Same author

Photo-relaxation dynamics of phenolate anions by extreme ultraviolet time-resolved photoelectron spectroscopy in liquid jets.

Physical chemistry chemical physics : PCCP·2026
Same author

All-optical logic gates for extreme ultraviolet switching via attosecond four-wave mixing.

Optics express·2026
Same author

Phase noise properties of supercontinuum generation in all-normal dispersion fibers.

Optics letters·2026
Same author

Selectivity in gas-liquid interactions: Molecular beam scattering of CD4 and ND3 from an aqueous flat liquid jet.

The Journal of chemical physics·2026
Same author

Tracing Long-Lived Atomic Coherences Generated via Molecular Conical Intersections.

Physical review letters·2025

Related Experiment Video

Updated: Jul 10, 2026

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

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Isolated attosecond pulses using a detuned second-harmonic field.

Hamed Merdji1, Thierry Auguste, Willem Boutu

  • 1Service des Photons Atomes et Molécules, Centre d'Etudes de Saclay, Gif sur Yvette, France. merdji@drecam.cea.fr

Optics Letters
|November 3, 2007
PubMed
Summary
This summary is machine-generated.

This study demonstrates a new method for generating isolated attosecond pulses using a two-color laser field. This technique precisely controls electron wave packet dynamics for efficient attosecond pulse creation.

More Related Videos

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Related Experiment Videos

Last Updated: Jul 10, 2026

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

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Area of Science:

  • Quantum Optics
  • Strong-Field Physics
  • Ultrafast Science

Background:

  • Attosecond pulse generation is crucial for probing ultrafast electron dynamics.
  • Traditional methods often result in complex pulse structures or lower efficiencies.
  • Controlling electron wave packets in strong laser fields is key to isolated pulse generation.

Purpose of the Study:

  • To present calculations for generating isolated attosecond pulses.
  • To investigate the use of a multicycle two-color strong-field regime.
  • To demonstrate a coherent control mechanism for attosecond pulse formation.

Main Methods:

  • Utilizing two intense laser beams with frequencies omega and a detuned second harmonic (2omega + deltaomega).
  • Confining electron wave packet recollision to half an optical cycle.
  • Employing laser pulses with durations up to 40 femtoseconds (fs).

Main Results:

  • Achieved efficient generation of isolated attosecond pulses.
  • Demonstrated confinement of electron wave packet recollision within a specific optical cycle window.
  • Showcased the effectiveness of a slight frequency detuning (deltaomega) for symmetry breaking.

Conclusions:

  • The proposed two-color strong-field scheme is efficient for generating isolated attosecond pulses.
  • Coherent control via field symmetry breaking is a viable strategy for ultrafast pulse synthesis.
  • This method offers a pathway to improved attosecond pulse generation for advanced spectroscopic applications.