Whole life cycle of femtosecond ultraviolet filaments in water

被引：47

作者：

Jarnac, Amelie ^{[1
]}

Tamosauskas, Gintaras ^{[2
]}

Majus, Donatas ^{[2
]}

Houard, Aurelien ^{[1
]}

Mysyrowicz, Andre ^{[1
]}

Couairon, Arnaud ^{[3
]}

Dubietis, Audrius ^{[2
]}

机构：

[1] Ecole Polytech, ENSTA ParisTech, CNRS, Lab Opt Appl, F-91762 Palaiseau, France

[2] Vilnius State Univ, Dept Quantum Elect, LT-10222 Vilnius, Lithuania

[3] Ecole Polytech, CNRS, Ctr Phys Theor, F-91128 Palaiseau, France

来源：

PHYSICAL REVIEW A | 2014年 / 89卷 / 03期

关键词：

LASER-INDUCED BREAKDOWN; TRANSPARENT MEDIA; LIGHT FILAMENTS; PULSES; AIR; PROPAGATION; ABSORPTION; DYNAMICS; THRESHOLDS; SPECTRA;

D O I：

10.1103/PhysRevA.89.033809

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present measurements fully characterizing the whole life cycle of femtosecond pulses undergoing filamentation in water at 400 nm. The complete pulse dynamics is monitored by means of a four-dimensional mapping technique for the intensity distribution I (x, y, z, t) during the nonlinear interaction. Measured events (focusing or defocusing cycles, pulse splitting and replenishment, supercontinuum generation, conical emission, nonlinear absorption peaks) are mutually connected. The filament evolution from laser energy deposition in water, which is of paramount importance for a wide range of technological and medical applications, is interpreted in light of simulation results.

引用

页数：10

共 45 条

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