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Updated: Jul 12, 2026
10:52
Direct Imaging of Laser-driven Ultrafast Molecular Rotation
Published on: February 4, 2017
Towards disentangling coupled electronic-vibrational dynamics in ultrafast non-adiabatic processes
Blanchet1, Lochbrunner, Schmitt
1Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario, Canada.
Faraday Discussions
|October 21, 2000
Summary
Femtosecond time-resolved photoelectron spectroscopy (TRPES) investigates molecular excited states. This technique studies ultrafast dynamics like internal conversion in polyatomic molecules.
Area of Science:
- Physical Chemistry
- Chemical Physics
- Molecular Dynamics
Background:
- Femtosecond time-resolved photoelectron spectroscopy (TRPES) is an emerging technique.
- It is sensitive to electronic configurations and vibrational dynamics.
- Well-suited for studying non-adiabatic processes on sub-picosecond timescales.
Purpose of the Study:
- To explore the application of TRPES for investigating polyatomic excited state dynamics.
- To discuss the technical requirements for advanced TRPES experiments.
- To present examples of TRPES applied to molecular dynamics.
Main Methods:
- Utilizing femtosecond lasers for high temporal resolution.
- Employing energy- and angle-resolved photoelectron spectrometers.
- Developing new detectors for coincidence measurements.
Main Results:
- Demonstrated TRPES's capability in probing ultrafast dynamics.
- Showcased applications in diatomic wavepacket dynamics.
- Illustrated studies of non-adiabatic processes in polyatomic molecules.
Conclusions:
- TRPES is a powerful tool for understanding excited state dynamics.
- Technical advancements enable detailed investigations of molecular processes.
- The technique provides insights into fundamental chemical transformations.
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