Inner-shell ionization and hollow-atom x-ray lasers driven by high-intensity laser

Kengo Moribayashi; Akira Sasaki; Yutaka Ueshima

doi:10.1117/12.375163

11 January 2000 Inner-shell ionization and hollow-atom x-ray lasers driven by high-intensity laser

Kengo Moribayashi, Akira Sasaki, Yutaka Ueshima

Proceedings Volume 3886, High-Power Lasers in Energy Engineering; (2000) https://doi.org/10.1117/12.375163
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

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.

Citation Download Citation

Kengo Moribayashi, Akira Sasaki, and Yutaka Ueshima "Inner-shell ionization and hollow-atom x-ray lasers driven by high-intensity laser", Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); https://doi.org/10.1117/12.375163

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