Dynamic field-free orientation of polar molecules by intense two-color femtosecond laser pulses

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Title Dynamic field-free orientation of polar molecules by intense two-color femtosecond laser pulses
Author Litvinyuk, Igor; De, Sankar; Ray, Dipanwita; Johnson, Nora G.; Bocharova, Irina; Magrakvelidze, Maia; Anis, Fatima; Esry, B.D.; Cocke, Lew; Znakovskaya, Irina; Kling, Matthias F.
Publication Title Journal of Physics: Conference Series
Editor John Tannis
Year Published 2009
Place of publication United Kingdom
Publisher Institute of Physics Publishing Ltd.
Abstract We present the first experimental observation of dynamic field-free orientation of a heteronuclear molecule (CO) induced by intense two color (800 and 400 nm) femtosecond laser pulses. We have used the two color pulse as pump to orient the molecules and a more intense 800 nm pulse as probe to measure the angular distributions. In addition to dynamic alignment seen in time dependence of <cos2θ>, we observe clear orientation in <cosθ> traces, which revives with the rotational period and can be reversed by changing the relative phase of the two colors. We studied the dependence of degree of orientation on the pump pulse intensity, and compared the results with theoretical calculations.
Peer Reviewed Yes
Published Yes
ISBN 1742-6596
Conference name ICPEAC 2009
Location Kalamazoo, Michigan, USA
Date From 2009-07-22
Date To 2009-07-28
URI http://hdl.handle.net/10072/32959
Date Accessioned 2010-03-04
Date Available 2010-07-29T08:20:31Z
Language en_AU
Research Centre Centre for Quantum Dynamics
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Atomic and Molecular Physics
WWW reference https://www.icpeac2009.physics.wmich.edu/
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1x

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