Generation of highly coherent submicrojoule soft x rays by high-order harmonics

被引：186

作者：

Takahashi, Eiji ^{[1
]}

Nabekawa, Yasuo ^{[1
]}

Otsuka, Tatsuya ^{[1
]}

Obara, Minoru ^{[1
]}

Midorikawa, Katsumi ^{[1
]}

机构：

[1] Laser Technology Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan

来源：

Physical Review A - Atomic, Molecular, and Optical Physics | 2002年 / 66卷 / 02期

关键词：

Focusing - Harmonic analysis - Microoptics - Optical phase conjugation - Optical pumping - Pattern matching - Spectrum analysis;

D O I：

10.1103/PhysRevA.66.021802

中图分类号：

学科分类号：

摘要：

The energy scaling of the phase-matched high-order harmonic (HH) using a loosely focused beam was studied. Direct measurement of HH output energy was performed using an XUV photodiode. In general, when the interaction length was increased to 10 cm in 1.8 Torr argon gas, the total output energy in the spectral region of 34.8 to 25.8 nm attained was ∼0.7 μJ, and the 27th harmonic energy was estimated to be ∼0.3 μJ.

引用

页码：1 / 021802

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