LASING PROPERTIES OF THE J = 0-1 AND THE J = 2-1 LINES OF A NEON-LIKE GERMANIUM SOFT-X-RAY LASER

K. Murai, H. Shiraga, G. Yuan, H. Daido, H. Azuma, E. Miura, R. Kodama, M. Takagi, T. Kanabe, H. Takabe, Y. Kato, D. Neely, D.M. Oneill, Ciaran Lewis, A. Djaoui

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26 Citations (Scopus)

Abstract

Lasing properties of a collisional-excitation Ne-like Ge soft-x-ray laser have been studied with exploding-foil, single-slab, and double-slab targets under identical pumping conditions. Experimental results for the angular intensity distributions and the temporal variations of the lasing intensities are examined with a hydrodynamic code and ray-trace calculations. The observed angular distribution are well reproduced by these analyses, and it is found that the effective gain regions are located on the high-density side of the expected gain regions. It is shown that the observed lasing intensity of the J = 0 to J = 1 line is strongly correlated with the temporal change of the calculated electron temperature for both the slab and the exploding-foil targets.
Original languageEnglish
Pages (from-to)2287-2297
Number of pages11
JournalJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume11
Publication statusPublished - 1994

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