Andrews, David L. and Bradshaw, David S. (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
Faculty \ School:	Faculty of Science > School of Chemistry
Related URLs:	http://www.sciencedirect.com/science/art...
Depositing User:	Pure Connector
Date Deposited:	09 Jul 2014 10:52
Last Modified:	21 Jul 2020 23:57
URI:	https://ueaeprints.uea.ac.uk/id/eprint/49282
DOI:	10.1016/j.cplett.2013.10.067

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