Field-Free Orientation of CO Molecules by Femtosecond Two-Color Laser Fields

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Title Field-Free Orientation of CO Molecules by Femtosecond Two-Color Laser Fields
Author De, S.; Znakovskaya, I.; Ray, D.; Anis, F.; Johnson, Nora G.; Bocharova, I. A.; Magrakvelidze, M.; Esry, B. D.; Cocke, C. L.; Litvinyuk, Igor; Kling, M. F.
Journal Name Physical Review Letters
Year Published 2009
Place of publication United States
Publisher American Physical Society
Abstract We report the first experimental observation of nonadiabatic field-free orientation of a heteronuclear diatomic molecule (CO) induced by an intense two-color (800 and 400 nm) femtosecond laser field. We monitor orientation by measuring fragment ion angular distributions after Coulomb explosion with an 800 nm pulse. The orientation of the molecules is controlled by the relative phase of the two-color field. The results are compared to quantum mechanical rigid rotor calculations. The demonstrated method can be applied to study molecular frame dynamics under field-free conditions in conjunction with a variety of spectroscopy methods, such as high-harmonic generation, electron diffraction, and molecular frame photoelectron emission.
Peer Reviewed Yes
Published Yes
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Copyright Statement Copyright 2009 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 103
Issue Number 15
Page from 153002-1
Page to 153002-4
ISSN 0031-9007
Date Accessioned 2009-11-13
Language en_AU
Research Centre Centre for Quantum Dynamics
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Atomic and Molecular Physics
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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