Altucci, Carlo and Velotta, Raffaele (2009) Generating single attosecond pulse using multi-cycle lasers in a polarization gate. [Pubblicazione in rivista scientifica]

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Tipologia del documento: Pubblicazione in rivista scientifica
Titolo: Generating single attosecond pulse using multi-cycle lasers in a polarization gate
Altucci, Carlo[non definito]
Velotta, Raffaele[non definito]
Autore/i: V. Tosa, K. Kovacs, C. Altucci, R. Velotta
Data: 2009
Numero di pagine: 10
Dipartimento: Scienze fisiche
Titolo del periodico: OPTICS EXPRESS
Data: 2009
Volume: 17
Numero: 20
Intervallo di pagine: pp. 17700-17710
Numero di pagine: 10
Depositato il: 21 Ott 2010 06:56
Ultima modifica: 30 Apr 2014 19:43


We analyze the macroscopic effects which are responsible for producing clean isolated pulses lasting few hundreds of attoseconds when starting from multi-cycle fundamental pulses. In particular, we consider a polarization gating scheme and show that, at high fundamental peak intensities, in the range 0.7-1 PWcm(-2), it usually produces three-four main attosecond pulses of radiation at single dipole level, just located in the leading edge of the laser pulse. We describe the physical mechanisms contributing to the formation of a single attosecond pulse by using a three dimensional non-adiabatic model and a quantum trajectory phase calculation. An analysis of the scheme optimization and stability against various parameters is performed in view of an experimental scheme implementation. (C) 2009 Optical Society of America.

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