期刊
JOURNAL OF CHEMICAL PHYSICS
卷 131, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3194287
关键词
electric field effects; macromolecules; molecular beams; molecular orientation; molecule-photon collisions
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 (<< cos(2) theta(2D)>>=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.
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