Ultrafast time-resolved X-ray diffraction of shock-compressed condensed matter

被引：0

作者：

Hironaka, Y ^{[1
]}

Nakamura, KG ^{[1
]}

Kondo, K ^{[1
]}

机构：

[1] Tokyo Inst Technol, Mat & Struct Lab, Yokohama, Kanagawa 2268503, Japan

来源：

NEW DIAMOND AND FRONTIER CARBON TECHNOLOGY | 2003年 / 13卷 / 03期

关键词：

femtosecond laser; pulsed X-rays; time-resolved X-ray diffraction;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Picosecond pulsed hard X-rays were generated by focusing a fentosecond laser beam onto an Fe target at 10(17) W/cm(2). We demonstrated pump-probe X-ray diffraction experiments with the laser irradiated Si with temporal resolution of 50 ps using the pulsed X-rays generated. Acoustic phonon propagation and successive lattice expansion due to laser heating were observed in the single-irradiation experiment. Shock compression was observed in the multipule-irradiation experiment. Shock wave propagation was directly observed and the time evolution of the strain profile inside the Si crystals was determined.

引用

页码：161 / 170

页数：10

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