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7 January 2004 X-ray radiation of clusters irradiated by ultrafast high-intensity laser pulses
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High resolution x-ray emission spectra of plasma created by laser irradiation of rare-gas (Ar, Kr, Xe) clusters have been measured at laser intensities over 1019 W/cm2 and 30-fs pulse duration. To make these measurements possible, in addition to the effort to decrease a prepulse intensity using Pockels cell switches, micron-size clusters were produced using a specially designed conical nozzle. The Boltzmann equation and a detailed collisional radiative model are solved simultaneously as a function of time to model the time integrated x-ray spectra of the transient plasma. The results are quantitatively in good agreement with the experimentally observed x-ray emission spectra of Ar clusters.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yuji Fukuda, Yutaka Akahane, Makoto Aoyama, Norihiro Inoue, Hideki Ueda, Yasuaki Kishimoto, Koichi Yamakawa, Anatoly Faenov, Alexandr I. Magunov, Tatiava A. Pikuz, Igor Y. Skobelev, Joseph Abdallah Jr., George Csanak, Alexei S. Boldarev, and Vldaimir A. Gasilov "X-ray radiation of clusters irradiated by ultrafast high-intensity laser pulses", Proc. SPIE 5196, Laser-Generated and Other Laboratory X-Ray and EUV Sources, Optics, and Applications, (7 January 2004);


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