Andrews, David L. and Bradshaw, David S. ORCID: https://orcid.org/0000-0002-6458-432X
(2013)
Optically tailored access to metastable electronic states.
Chemical Physics Letters, 590.
pp. 235-238.
ISSN 0009-2614
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Abstract
On irradiating a molecular system with a laser beam of ultraviolet or visible frequency, photon absorption occurs when an electronic state is at a suitable energy level relative to an initial state. Despite meeting this criterion, interesting metastable states can remain inaccessible because of symmetry constraints. In this Letter a mechanism, based on the input of an off-resonant beam, is shown to enable the population of such states. This is achievable because the laser-modified process involves different selection rules compared to conventional photon absorption. The effects of applying the stimulus beam to either a one- or two-photon process are examined.
Item Type: | Article |
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Faculty \ School: | Faculty of Science > School of Chemistry |
UEA Research Groups: | Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Centre for Photonics and Quantum Science |
Depositing User: | Pure Connector |
Date Deposited: | 09 Jul 2014 10:52 |
Last Modified: | 09 Feb 2023 13:39 |
URI: | https://ueaeprints.uea.ac.uk/id/eprint/49282 |
DOI: | 10.1016/j.cplett.2013.10.067 |
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