Spatially resolved single-shot absorption spectroscopy with x-ray free electron laser pulse

被引：2
|
作者：
Inubushi, Yuichi [1 ,2 ]
Yabuuchi, Toshinori [1 ,2 ]
Miyanishi, Kohei [2 ]
Sueda, Keiichi [2 ]
Togashi, Tadashi [1 ,2 ]
Kubota, Yuya [2 ]
Tono, Kensuke [1 ,2 ]
Yabashi, Makina [1 ,2 ]
机构：
[1] Japan Synchrotron Radiat Res Inst, 1-1-1 Kouto, Sayo, Hyogo 6795198, Japan
[2] RIKEN, SPring Ctr 8, 1-1-1 Kouto, Sayo, Hyogo 6795148, Japan
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2021年 / 92卷 / 05期
关键词：
Electrons - Laser mirrors - Free electron lasers - High power lasers - Laser pulses - Optical pumping - Spectrometers - Image resolution - X ray absorption;
D O I：
10.1063/5.0040899
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new method of spatially resolved single-shot absorption spectroscopy for an x-ray free electron laser (XFEL) pulse has been developed by using a dispersive spectrometer and an elliptical mirror to enhance the spatial resolution. As a demonstration, we performed x-ray absorption near-edge structure measurement of Cu with a pump-probe scheme combining an XFEL pulse and a high-power femtosecond laser pulse. In the experiment, changes of an absorption spectrum in a plasma generated with a laser shot were successfully observed. The method will be a powerful tool for experiments requiring a spatial resolution and/or a single-shot measurement, such as high energy density science using a high-power laser pulse. Published under license by AIP Publishing.
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页数：6
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