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High energy terahertz emission from two-color laser-induced filamentation in air with pump pulse duration control
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10.1063/1.3242024
/content/aip/journal/apl/95/13/10.1063/1.3242024
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/13/10.1063/1.3242024
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic experimental setup for high energy terahertz generation and detection from two-color laser-induced filamentation in air. The inset (a) depicts the images of the multiple filaments for the FTL, positively chirped 130 fs and negatively chirped 105 fs pumps, respectively. The typical white light beam pattern of multiple filaments is shown in the inset (b).

Image of FIG. 2.
FIG. 2.

Pump pulse duration dependence of terahertz emission with different filters in air. The dashed blue line denotes the FTL pump pulse duration.

Image of FIG. 3.
FIG. 3.

Pump energy dependence of high energy terahertz generation with frequencies less than 5.5 THz in (a) and with the entire superbroadband terahertz frequencies in (b) under different pump pulse durations, respectively. “FTL” and “P” denote the FTL duration and the positively chirped pulse, respectively.

Image of FIG. 4.
FIG. 4.

Pump pulse duration dependence of terahertz emission with different filters in argon at fixed pump energy of 23.5 mJ. The dashed blue line denotes the FTL pump pulse duration.

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/content/aip/journal/apl/95/13/10.1063/1.3242024
2009-09-30
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High energy terahertz emission from two-color laser-induced filamentation in air with pump pulse duration control
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/13/10.1063/1.3242024
10.1063/1.3242024
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