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Coherent soft X-ray (λ=18.9 nm) generation in a transient gain scheme in molybdenum plasma |
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| Authors: | R. A. Ganeev T. Kanai A. Ishizawa T. Ozaki H. Kuroda |
| Affiliation: | (1) Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8581, Japan;(2) NPO Akadempribor, Akademgorodok, Tashkent, 700125, Uzbekistan;(3) NTT Basic Research Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi-shi, Kanagawa 243-0198, Japan |
| Abstract: | We investigate the threshold conditions for coherent soft x-ray generation using a compact hybrid (neodymium-doped glass-sapphire titanate) laser with an output energy of several hundred millijoules. Collisional excitation of molybdenum ions in a longitudinal-pumping scheme was used for x-ray (λ=18.9 nm) generation. The generated radiation exhibited a low divergence and a strong dependence on the delay between picosecond and femtosecond pumping radiations. |
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