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 Experiment Videos

Postpulse molecular alignment measured by a weak field polarization technique.

V Renard1, M Renard, S Guérin

  • 1Laboratoire de Physique, Université de Bourgogne, UMR CNRS 5027, BP 47870, 21078 Dijon Cedex, France.

Physical Review Letters
|May 7, 2003
PubMed
Summary

We observed carbon dioxide (CO2) alignment and delocalization after laser pulse excitation using a nonintrusive polarization technique. This method quantitatively characterizes molecular behavior, providing insights into ultrafast dynamics.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Amorphous calcium pyrophosphate bone cement sets without crystallization: a physico-chemical and <i>in vitro</i> biological study.

Journal of materials chemistry. B·2026
Same author

Molecular Alignment Echo for Controlling the Readout Time of Vortex Beams.

Physical review letters·2026
Same author

Formulation, in vitro physico-chemical and biological assessment of calcium pyrophosphate dihydrate cement for bone tissue engineering.

Acta biomaterialia·2025
Same author

Systematic screening for skin cancers: Is it a good idea?

Annales de dermatologie et de venereologie·2025
Same author

Interpretation and classification of FBN1 variants associated with Marfan syndrome: consensus recommendations from the Clinical Genome Resource's FBN1 variant curation expert panel.

Genome medicine·2024
Same author

Corrigendum: Long term NIV in an infant with Hallermann-Streiff syndrome: a case report and overview of respiratory morbidity.

Frontiers in pediatrics·2024

Area of Science:

  • Physical Chemistry
  • Molecular Dynamics
  • Ultrafast Laser Science

Background:

  • Understanding molecular behavior under intense laser fields is crucial for controlling chemical reactions.
  • Femtosecond laser pulses induce rapid changes in molecular orientation and electronic states.
  • Carbon dioxide (CO2) is a fundamental molecule with significant environmental and industrial relevance.

Purpose of the Study:

  • To directly observe and quantify the alignment and planar delocalization of CO2 molecules.
  • To develop and validate a nonintrusive polarization technique for studying molecular dynamics.
  • To provide a quantitative analysis of CO2's response to intense, linearly polarized femtosecond laser pulses.

Main Methods:

  • Utilized a direct, nonintrusive observation method employing a polarization technique.

Related Experiment Videos

  • Employed a perturbative probe laser that does not induce significant molecular alignment.
  • Performed theoretical simulations to support experimental observations and quantitative characterization.

    • Main Results:

    • Successfully observed alignment and planar delocalization of CO2 molecules post-laser excitation.
    • Demonstrated that the technique measures a signal proportional to -1/3.
    • Quantitatively characterized the alignment and delocalization dynamics through simulations.

    Conclusions:

    • The developed polarization technique is effective for nonintrusively observing ultrafast molecular dynamics.
    • CO2 molecules exhibit distinct alignment and planar delocalization following femtosecond laser excitation.
    • The findings offer a quantitative understanding of laser-induced molecular behavior in CO2.