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Initial carrier-envelope phase of few-cycle pulses determined by terahertz emission from air plasma
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10.1063/1.4817975
/content/aip/journal/apl/103/6/10.1063/1.4817975
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/6/10.1063/1.4817975
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The CEP shift (blue solid line) around the focus of a few-cycle pulse in vacuum; (b) the CEP shift (blue solid line) in the interaction region between an intense few-cycle laser field and N molecules, and the density of molecule number of N (red dotted dashed line). is the propagation coordinate.

Image of FIG. 2.
FIG. 2.

THz waveform as a function of plasma length by few-cycle laser fields with the initial CEP of (a)–(d): δ  = 0.0π, 0.2π, 0.4π, and 0.6π, respectively.

Image of FIG. 3.
FIG. 3.

The calculated THz amplitude as a function of plasma length and the initial CEP of few-cycle pulses with the input energy of (a) 250 J and (b) 400 J, respectively, and the extracted inversion positions of THz emission in a step-size of 0.1π, for the energy of (c) 250 J and (d) 400 J, respectively.

Image of FIG. 4.
FIG. 4.

(a) The calculated offset of zero THz dependence on the CEP along the front part of filament, at the input energy of 250 J and 400 J, respectively. Inset shows the THz yield as function of CEP at position of A ( = −8.4 mm) of 400 J; (b) the calculated initial CEP value by which the inversion of THz emission disappears at the beginning of air plasma under different input energies of 200 J–900 J.

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/content/aip/journal/apl/103/6/10.1063/1.4817975
2013-08-07
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Initial carrier-envelope phase of few-cycle pulses determined by terahertz emission from air plasma
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/6/10.1063/1.4817975
10.1063/1.4817975
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