Direct time-domain observation of laser pulse filaments in transparent media

被引：19

作者：

Dachraoui, H. ^{[1
]}

Oberer, C. ^{[1
]}

Michelswirth, M. ^{[1
]}

Heinzmann, U. ^{[1
]}

机构：

[1] Univ Bielefeld, Fac Phys, D-33615 Bielefeld, Germany

来源：

PHYSICAL REVIEW A | 2010年 / 82卷 / 04期

关键词：

WHITE-LIGHT CONTINUUM; CONICAL EMISSION; FEMTOSECOND PULSES; OPTICAL MEDIA; GENERATION; PROPAGATION; BREAKDOWN; INTENSE; DYNAMICS; BROAD;

D O I：

10.1103/PhysRevA.82.043820

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The interplay among self-focusing, energy depletion, and plasma formation is fundamental to the understanding of laser-matter interaction. In this article, we present the first direct time-resolved observations of the propagation of intense femtosecond laser pulses experiencing conical emission, self-focusing, self-guiding, beam filamentation, plasma defocusing, and continuum generation in wide-band-gap dielectrics. We demonstrate that continuum generation involves different mechanisms as a function of deposited energy.

引用

页数：8

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