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Conferences > NLO > 2013 > NTh2A > NTh2A.4

Generation of femtosecond optical vortices by molecular modulation in a Raman-active crystal

Miaochan Zhi, Kai Wang, James Strohaber, and Alexei V. Sokolov

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Abstract

We have generated multi-color optical vortices in Raman-active crystals such as PbWO4 by using two-color femtosecond laser pulses. Our topological charge measurements show that high-order vortices are unstable and tend to split to several charge 1 vortices.

© 2013 Optical Society of America

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