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X-shaped third harmonic generated by ultrashort infrared pulse filamentation in air
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10.1063/1.2830017
/content/aip/journal/apl/92/1/10.1063/1.2830017
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/1/10.1063/1.2830017
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The experimental setup, and the digital camera captured images of (b) the side view of the filament in air, and (c) the far-field spatial pattern of the third harmonic. The inset in (a) shows the single-shot autocorrelation (SSA) signal of the IR pulse at .

Image of FIG. 2.
FIG. 2.

Normalized far-field spectra (in log scale and normalized by maximum intensity of TH) of output TH pulse at the pump pulse energies of (a) , (b) , (c) , and (d) . The signal indicated by the dashed ring is the remaining SH of the pump wave from the OPA.

Image of FIG. 3.
FIG. 3.

Comparison of the spectra (in log scale and normalized by maximum intensity of TH) between the on-axis TH emission and the conical TH emission at the pump pulse energy of . The reference spectrum is the cubic intensity of the input FW spectra with a threefold decrease in wavelength.

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/content/aip/journal/apl/92/1/10.1063/1.2830017
2008-01-03
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: X-shaped third harmonic generated by ultrashort infrared pulse filamentation in air
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/1/10.1063/1.2830017
10.1063/1.2830017
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