Spatio-temporal dynamics of electron density in femtosecond laser microplasma of gases

被引：4

作者：

Bukin, V. V. ^{[1
]}

Garnov, S. V. ^{[1
]}

Strelkov, V. V. ^{[1
]}

Shirokikh, T. V. ^{[1
]}

Sychev, D. K. ^{[1
]}

机构：

[1] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow, Russia

来源：

LASER PHYSICS | 2009年 / 19卷 / 06期

关键词：

D O I：

10.1134/S1054660X09060206

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The formation and evolution of femtosecond laser plasma produced in microvolumes of gases at different pressures upon their multiply ionization by high intensity pulses of fundamental and second harmonics of a Ti:sapphire laser is studied. The interferometric technique for precise ultrafast optical diagnostics of such plasma was applied. The numerical technique of interferogram processing and reconstruction of instant spatial distribution of refractive index and free electron density in laser-induced plasma applied for this proposes is described. The spatiotemporal distribution of the refractive index and free electron density were studied with a spatial resolution of similar to 1 mu m and a temporal resolution of similar to 70 fs.

引用

页码：1300 / 1302

页数：3

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