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          Institute: Fritz-Haber-Institut     Collection: Molecular Physics     Display Documents



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ID: 433451.1, Fritz-Haber-Institut / Molecular Physics
Quantum state selection, alignment, and orientation of large molecules using static electric and laser fi elds
Authors:Filsinger, Frank; Küpper, Jochen; Meijer, Gerard; Holmegaard, Lotte; Nielsen, Jens H.; Nevo, Iftach; Hansen, Jonas L.; Stapelfeldt, Henrik
Language:English
Date of Publication (YYYY-MM-DD):2009-08-14
Title of Journal:Journal of Chemical Physics
Journal Abbrev.:J. Chem. Phys.
Volume:131
Issue / Number:6
Start Page:064309-1
End Page:064309-13
Copyright:© 2009 American Institute of Physics
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Supersonic beams of polar molecules are deflected using inhomogeneous electric fields. The quantum- state-selectivity of the deflection is used to spatially separate molecules according to their quantum state. A detailed analysis of the deflection and the obtained quantum-state selection is presented. The rotational temperatures of the molecular beams are determined from the spatial beam profiles and are all approximately 1 K. Unprecedented degrees of laser-induced alignment (⟨cos² θ2D⟩=0.972) and orientation of iodobenzene molecules are demonstrated when the state-selected samples are used. Such state-selected and oriented molecules provide unique possibilities for many novel experiments in chemistry and physics.
External Publication Status:published
Document Type:Article
Communicated by:Gerard Meijer
Affiliations:Fritz-Haber-Institut/Molecular Physics
External Affiliations:Department of Chemistry, University of Aarhus, DK-8000 Aarhus C, Denmark ;
Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark ;
Interdisciplinary Nanoscience Center (iNANO), University of Aarhus, DK-8000 Aarhus C, Denmark
Identifiers:DOI:10.1063/1.3194287
URL:http://link.aip.org/link/?JCPSA6/131/064309/1
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