Time-resolved x-ray absorption spectroscopy apparatus using laser plasma as an x-ray source

Osamu Yoda; Atsumi Miyashita; Kouichi Murakami; Sadao Aoki; Naohiro Yamaguchi

doi:10.1117/12.46957

1 September 1991 Time-resolved x-ray absorption spectroscopy apparatus using laser plasma as an x-ray source

Osamu Yoda, Atsumi Miyashita, Kouichi Murakami, Sadao Aoki, Naohiro Yamaguchi

Proceedings Volume 1503, Excimer Lasers and Applications III; (1991) https://doi.org/10.1117/12.46957
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

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.

Citation Download Citation

Osamu Yoda, Atsumi Miyashita, Kouichi Murakami, Sadao Aoki, and Naohiro Yamaguchi "Time-resolved x-ray absorption spectroscopy apparatus using laser plasma as an x-ray source", Proc. SPIE 1503, Excimer Lasers and Applications III, (1 September 1991); https://doi.org/10.1117/12.46957

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