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Coherent Attosecond Extreme Ultraviolet Vortices from High-Order Harmonic Generation

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Abstract

We present a theoretical study of high-order harmonic generation and propagation driven by an infrared field carrying orbital angular momentum (OAM). We show that extreme-ultraviolet high-OAM vortices with helical attosecond pulse structure are generated.

© 2014 Optical Society of America

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