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Opt Lett. 2007 May 15;32(10):1275-7.

Controlled rotational Raman echo recurrences and modulation of high-intensity ultrashort laser pulses by molecular rotations in the gas phase.

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  • 1Department of Physics, International Laser Center. M.V. Lomonosov Moscow Stet University, Vorob'evy gory, Moscow, Russia.

Abstract

We show that sequences of femtosecond laser pulses can control the rotational Raman response of a gas mixture, giving rise to a tunable manifold of echo recurrences in the retarded nonlinear-optical response of the gas. Tailored phase masks for high-intensity ultrashort laser pulses are experimentally demonstrated using molecular rotations in the gas phase driven by optimally time-ordered pulse sequences.

PMID:
17440559
[PubMed]
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