Phase-contrast imaging of nanostructures by soft x rays from a femtosecond-laser plasma

被引：17

作者：

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

Faenov, A. Ya. ^{[1
,2
]}

Pikuz, T. A. ^{[1
,2
]}

Skobelev, I. Yu. ^{[1
]}

Calegari, F. ^{[3
]}

Vozzi, C. ^{[3
]}

Nisoli, M. ^{[3
]}

Sansone, G. ^{[3
]}

Valentini, G. ^{[3
]}

De Silvestri, S. ^{[3
]}

Stagira, S. ^{[3
]}

机构：

[1] Russian Acad Sci, Joint Inst High Temp, Moscow 127412, Russia

[2] Japan Atom Energy Agcy, Kansai Photon Sci Inst, Kizu, Kyoto 6190215, Japan

[3] Politecn Milan, INFM, CNR, Natl Lab Ultrafast & Ultraintense Opt Sci, I-20133 Milan, Italy

来源：

JETP LETTERS | 2008年 / 87卷 / 05期

关键词：

D O I：

10.1134/S0021364008050032

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The possibility of phase-contrast imaging of nanostructures has been analyzed with the use of a femtosecond-laser plasma as a spatially coherent soft x-ray source and a LiF crystal as an x-ray detector having both the submicron spatial resolution in a wide field of view and a high contrast. It is demonstrated that the spatial coherence length of radiation in the wavelength range 1-13 nm at a distance of 30 cm from the femtosecond-laser plasma source is similar or equal to 1.5 mu m. The achieved spatial coherence of the source is sufficient to obtain high-quality phase-contrast x-ray images of foils with various chemical compositions and a thickness of similar or equal to 100 nm.

引用

页码：238 / 242

页数：5

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