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Opt Express. 2009 Aug 3;17(16):13671-6.

Laser-driven clockwise molecular rotation for a transient spinning waveplate.

Author information

1
Institute for Research in Electronics and Applied Physics University of Maryland, College Park, MD 20742, USA. Andrew.G.York+opex@gmail.com

Abstract

Our simulations show a copropagating pair of laser pulses polarized in two different directions can selectively excite clockwise or counterclockwise molecular rotation in a gas of linear molecules. The resulting birefringence of the gas rotates on a femtosecond timescale and shows a periodic revival structure. The total duration of the pulse pair can be subpicosecond, allowing molecular alignment at the high densities and temperatures necessary to create a transient spinning waveplate.

PMID:
19654775
DOI:
10.1364/oe.17.013671
[Indexed for MEDLINE]

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