Laser-induced alignment and orientation of quantum-state-selected large molecules
L Holmegaard, JH Nielsen, I Nevo, H Stapelfeldt… - Physical review …, 2009 - APS
Physical review letters, 2009•APS
A strong inhomogeneous static electric field is used to spatially disperse a supersonic beam
of polar molecules, according to their quantum state. We show that the molecules residing in
the lowest-lying rotational states can be selected and used as targets for further
experiments. As an illustration, we demonstrate an unprecedented degree of laser-induced
one-dimensional alignment (⟨ cos 2 θ 2 D⟩= 0.97) and strong orientation of state-selected
iodobenzene molecules. This method should enable experiments on pure samples of polar …
of polar molecules, according to their quantum state. We show that the molecules residing in
the lowest-lying rotational states can be selected and used as targets for further
experiments. As an illustration, we demonstrate an unprecedented degree of laser-induced
one-dimensional alignment (⟨ cos 2 θ 2 D⟩= 0.97) and strong orientation of state-selected
iodobenzene molecules. This method should enable experiments on pure samples of polar …
A strong inhomogeneous static electric field is used to spatially disperse a supersonic beam of polar molecules, according to their quantum state. We show that the molecules residing in the lowest-lying rotational states can be selected and used as targets for further experiments. As an illustration, we demonstrate an unprecedented degree of laser-induced one-dimensional alignment (⟨cos2θ2D⟩=0.97) and strong orientation of state-selected iodobenzene molecules. This method should enable experiments on pure samples of polar molecules in their rotational ground state, offering new opportunities in molecular science.
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