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Proceedings Paper

Time-resolved x-ray absorption spectroscopy apparatus using laser plasma as an x-ray source
Author(s): Osamu Yoda; Atsumi Miyashita; Kouichi Murakami; Sadao Aoki; Naohiro Yamaguchi
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Paper Abstract

A time-resolved x-ray absorption spectroscopy apparatus on a laboratory scale is being prepared which utilizes a laser plasma as an x-ray source. One of the major aims imposed on this apparatus is to observe x-ray absorption or reflection spectra of various materials in an energy region from 100 eV up to 3 keV. For this purpose, two sets of optical systems are provided, i.e., a toroidal mirror and grazing incidence flat-field grating for the lower-energy region (100-1000 eV), and a toroidal mirror and curved KAP crystal for the higher-energy region (1-3 keV). Detection of x-rays is performed with MCPs for both energy regions. Preliminary experiments on the generation of x-rays have revealed that the intensity of x-rays in the energy region below 300 eV is as high as 10(16) photons/pulse in 2(pi) steradian.

Paper Details

Date Published: 1 September 1991
PDF: 4 pages
Proc. SPIE 1503, Excimer Lasers and Applications III, (1 September 1991); doi: 10.1117/12.46957
Show Author Affiliations
Osamu Yoda, Japan Atomic Energy Research Institute (Japan)
Atsumi Miyashita, Japan Atomic Energy Research Institute (Japan)
Kouichi Murakami, Univ. of Tsukuba (Japan)
Sadao Aoki, Univ. of Tsukuba (Japan)
Naohiro Yamaguchi, Univ. of Tsukuba (Japan)


Published in SPIE Proceedings Vol. 1503:
Excimer Lasers and Applications III
Tommaso Letardi; Lucien Diego Laude, Editor(s)

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