Ionization of noble gases with pulses directly from a laser oscillator

被引：55

作者：

Dewald, S.

Lang, T.

Schroeter, C. D.

Moshammer, R.

Ullrich, J.

Siegel, M.

Morgner, U.

机构：

[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[2] Leibniz Univ Hannover, Inst Quantenopt, D-30167 Hannover, Germany

来源：

OPTICS LETTERS | 2006年 / 31卷 / 13期

关键词：

D O I：

10.1364/OL.31.002072

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Ti:sapphire oscillator with an extended cavity generates pulses with 0.5 mu J energy at a repetition rate of 6 MHz and pulse durations of 50 fs. Tight focusing creates peak intensities exceeding 10(14) W/cm(2), which is sufficient for ionizing helium, a nonlinear process where at least 17 photons are absorbed simultaneously. (c) 2006 Optical Society of America.

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页码：2072 / 2074

页数：3

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