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Proceedings Paper

X-ray spectroscopic study on femto- and pico-second laser irradiated solid and gaseous targets
Author(s): Masayuki Suzuki; Hiroyuki Daido; Fumiaki Matsuoka; Etsuya Yanase; Mamiko Nishiuchi; Keiko Suto; A. Sasaki; Koichi Yamakawa; Tetsuya Kawachi; Keisuke Nagashima; Takatsugu Oketa; Takeyoshi Nakayama; Ingo Uschmann; Eckhart Foerster; Henryk Fiedorowicz
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Paper Abstract

The soft x-ray emission from He-like and H-like were obtained by using the double nozzle gas-puff (Nitrogen, and Oxygen) target irradiated by the laser which delivered a laser energy of 50 mJ in 400 ps pulse width. Efficient absorption of the incident laser energy into the double gas-puff target was demonstrated experimentally such as 15%, and 29% for Nitrogen and Oxygen, respectively. The sub keV x-ray emission from He-β(1s2-1s2p, 1s2-1s3p, and 1s2-1s4p) lines are observed around the 0.4 nm wavelength region by using the double nozzle Argon gas-puff target irradiated by a 5 J, 1 ns, 1 μm laser. Using the gas-puff target irradiated by a femto-second laser pulse, highly ionized ions of Cr-, Fe- and Ni-like Kr at the 5 - 20 nm wavelength region have been observed in a laser produced plasma. However, the intensity of the x-ray emissions from double nozzle gas-puff target are lower than that from the single nozzle gas-puff targets, using the Krypton gas. Using xenon gas, the intensity of the x-ray emissions from double nozzle gas-puff target is equivalent to that from the single nozzle target.

Paper Details

Date Published: 12 December 2003
PDF: 8 pages
Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); doi: 10.1117/12.536791
Show Author Affiliations
Masayuki Suzuki, Japan Atomic Energy Research Institute (Japan)
Hiroyuki Daido, Japan Atomic Energy Research Institute (Japan)
Fumiaki Matsuoka, Japan Atomic Energy Research Institute (Japan)
Etsuya Yanase, Japan Atomic Energy Research Institute (Japan)
Mamiko Nishiuchi, Japan Atomic Energy Research Institute (Japan)
Keiko Suto, Japan Atomic Energy Research Institute (Japan)
A. Sasaki, Japan Atomic Energy Research Institute (Japan)
Koichi Yamakawa, Japan Atomic Energy Research Institute (Japan)
Tetsuya Kawachi, Japan Atomic Energy Research Institute (Japan)
Keisuke Nagashima, Japan Atomic Energy Research Institute (Japan)
Takatsugu Oketa, Kinki Univ. (Japan)
Takeyoshi Nakayama, Kinki Univ. (Japan)
Ingo Uschmann, Friedrich-Schiller-Univ. Jena (Germany)
Eckhart Foerster, Friedrich-Schiller-Univ. Jena (Germany)
Henryk Fiedorowicz, Military Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 5228:
ECLIM 2002: 27th European Conference on Laser Interaction with Matter
Oleg N. Krokhin; Sergey Yu. Gus'kov; Yury A. Merkul'ev, Editor(s)

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