Electromagnetic-field distribution measurements in the soft X-ray range:: Full characterization of a soft X-ray laser beam -: art. no. 183901

被引：46

作者：

Le Pape, S

Zeitoun, P

Idir, M

Dhez, P

Rocca, JJ

François, M

机构：

[1] Univ Paris 11, Lab Spectroscopie Atom & Ion, F-91405 Orsay, France

[2] Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA

[3] Univ Sci & Tech Lille Flandres Artois, Inst Elect & Microelect Nord, F-59652 Villeneuve Dascq, France

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.88.183901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report direct measurement of the electromagnetic-field spatial distribution in a neonlike Ar capillary discharge-driven soft x-ray laser beam. The wave front was fully characterized in a single shot using a Shack-Hartmann diffractive optics sensor. The wave front was observed to be dependent on the discharge pressure and capillary length, as a result of beam refraction variations in the capillary plasma. The results predict similar to70% of the laser beam energy can be focused into an area 4 times the size of the diffraction-limited spot, reaching intensities of similar to4x10(13) W/cm (2) .

引用

页码：1839011 / 1839014

页数：4

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