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
收藏
页码：161 / 170
页数：10
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