Fifth-order intensity autocorrelations based on six-wave mixing of femtosecond laser pulses

被引：8

作者：

Gaizauskas, Eugenijus ^{[1
]}

Steponkevicius, Kestutis ^{[1
]}

Vaicaitis, Virgilijus ^{[1
]}

机构：

[1] Vilnius State Univ, Laser Res Ctr, Sauletekio 10, LT-10223 Vilnius, Lithuania

来源：

PHYSICAL REVIEW A | 2016年 / 93卷 / 02期

关键词：

Laser pulses - Autocorrelation - Femtosecond lasers;

D O I：

10.1103/PhysRevA.93.023813

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

It is shown both experimentally and by numerical simulations that fifth-order intensity autocorrelations of femtosecond laser pulses can be obtained from two-beam noncollinear six-wave mixing in air. A numerical analysis of competing direct and six-wave-assisted third-harmonic-generation pathways showed that these measurements are suitable for the background-free temporal characterization of laser pulses. Reshaping of the pulse and 10 fs subpulse formation during the primary stages of light filamentation were observed using the proposed method.

引用

页数：4

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