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Updated: Oct 29, 2025

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
Published on: June 28, 2018
Spatially resolved single-shot absorption spectroscopy with x-ray free electron laser pulse
Yuichi Inubushi1, Toshinori Yabuuchi1, Kohei Miyanishi2
1Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan.
Abstract:
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.
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