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Damping of the tunneling mechanism in high-order harmonic generation processes induced by femtosecond visible laser pulses
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10.1063/1.3186358
/content/aip/journal/apl/95/4/10.1063/1.3186358
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/4/10.1063/1.3186358

Figures

Image of FIG. 1.
FIG. 1.

Layout of the experimental setup. (a) Telescope, (b) CVA: (i) and (ii) Brewster mirrors, (d) Au mirror, (e) BBO, (f) dichroic mirrors, (g) generation chamber, (h) gas cell, (i) Al filter, (l) grating, and (m) detector (channel electron multiplier). (c) Beam stopper used to block the -polarized near-IR beam.

Image of FIG. 2.
FIG. 2.

Experimental evidence for the damping of the HHG photons/pulse as a function of . From these data different regimes can be recognized. The red and blue dots refer to the tunneling and MPI regimes, respectively, while the violet ones to the hybrid regime. The green line is the exponential fit function in the hybrid dynamical region.

Image of FIG. 3.
FIG. 3.

Calculated vs at (blue), (red), and (purple). The black crosses represent the normalized HHG experimental intensity reported in Fig. 2. The red dashed line is only a guide for the eye. Arrow 1 and arrow 2 represent the experimental threshold for HHG at and , respectively.

Tables

Generic image for table
Table I.

Exponential fit parameters.

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/content/aip/journal/apl/95/4/10.1063/1.3186358
2009-07-28
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Damping of the tunneling mechanism in high-order harmonic generation processes induced by femtosecond visible laser pulses
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/4/10.1063/1.3186358
10.1063/1.3186358
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