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Proceedings Paper

Inner-shell ionization and hollow-atom x-ray lasers driven by high-intensity laser
Author(s): Kengo Moribayashi; Akira Sasaki; Yutaka Ueshima
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Paper Abstract

Inner-shell ionization and hollow atom x-ray lasers are studied in order to propose a short wavelength x-ray laser system. For hollow atom x-ray laser Mg vapor with 1017 cm-3 density and Larmor x-rays are treated as a target material and x-rays are treated as a target material and x-ray source, respectively. The Larmor x-rays are suitable as a pump x-ray source because they have high brightness and short pulse. Their peak intensity and energy spectrum are appropriate for inner-shell ionization. The necessary intensities of x-ray source are obtained by x-ray intensity of 1013W/cm2 and 3 X 1013 W/cm2 in inner-shell ionization and hollow atom x-ray lasers, respectively. For short wavelength inner-shell ionization x- ray emission, Na-like ions are good target. By x-ray intensity of 2 X 1015W/cm2 at a few keV photon energy, the gain is about 10 cm-1 for more than 10 fs with use of Na-like S ion.

Paper Details

Date Published: 11 January 2000
PDF: 8 pages
Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); doi: 10.1117/12.375163
Show Author Affiliations
Kengo Moribayashi, Japan Atomic Energy Research Institute (Japan)
Akira Sasaki, Japan Atomic Energy Research Institute (Japan)
Yutaka Ueshima, Japan Atomic Energy Research Institute (Japan)


Published in SPIE Proceedings Vol. 3886:
High-Power Lasers in Energy Engineering
Kunioki Mima; Gerald L. Kulcinski; William J. Hogan, Editor(s)

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