Coherent Water Window X Ray by Phase-Matched High-Order Harmonic Generation in Neutral Media

被引：313

作者：

Takahashi, Eiji J. ^{[1
]}

Kanai, Tsuneto ^{[1
]}

Ishikawa, Kenichi L. ^{[1
]}

Nabekawa, Yasuo ^{[1
]}

Midorikawa, Katsumi ^{[1
]}

机构：

[1] RIKEN, Adv Sci Inst, Extreme Photon Res Grp, Wako, Saitama 3510198, Japan

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.101.253901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate the generation of a coherent water window x ray by extending the plateau region of high-order harmonics under a neutral-medium condition. The maximum harmonic photon energies attained are 300 and 450 eV in Ne and He, respectively. Our proposed generation scheme, combining a 1.6 mu m laser driver and a neutral Ne gas medium, is efficient and scalable in output yields of the water window x ray. Thus, the precept of the design parameter for a single-shot live-cell imaging by contact microscopy is presented.

引用

页数：4

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