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ChemPhysChem
Article . 2019 . Peer-reviewed
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https://dx.doi.org/10.48550/ar...
Article . 2021
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Observation of Photoelectron Circular Dichroism Using a Nanosecond Laser

Authors: Alexander Kastner; Tom Ring; Hendrike Braun; Arne Senftleben; Thomas Baumert;

Observation of Photoelectron Circular Dichroism Using a Nanosecond Laser

Abstract

AbstractPhotoelectron circular dichroism (PECD) is a fascinating phenomenon both from a fundamental science aspect but also due to its emerging role as a highly sensitive analytic tool for chiral recognition in the gas phase. PECD has been studied with single‐photon as well as multi‐photon ionization. The latter has been investigated in the short pulse limit with femtosecond laser pulses, where ionization can be thought of as an instantaneous process. In this contribution, we demonstrate that multi‐photon PECD still can be observed when using an ultra‐violet nanosecond pulse to ionize chiral showcase fenchone molecules. Compared to femtosecond ionization, the magnitude of PECD is similar, but the lifetime of intermediate molecular states imprints itself in the photoelectron spectra. Being able to use an industrial nanosecond laser to investigate PECD furthermore reduces the technical requirements to apply PECD in analytical chemistry.

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Keywords

Chemical Physics (physics.chem-ph), Atomic Physics (physics.atom-ph), Physics - Chemical Physics, FOS: Physical sciences, Physics - Atomic Physics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
20
Top 10%
Average
Top 10%
Green
bronze