12 December 2003 X-ray spectroscopic study on femto- and pico-second laser irradiated solid and gaseous targets
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Proceedings Volume 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter; (2003) https://doi.org/10.1117/12.536791
Event: ECLIM 2002: 27th European conference on Laser Interaction with Matter, 2002, Moscow, Russian Federation
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.
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Masayuki Suzuki, Masayuki Suzuki, Hiroyuki Daido, Hiroyuki Daido, Fumiaki Matsuoka, Fumiaki Matsuoka, Etsuya Yanase, Etsuya Yanase, Mamiko Nishiuchi, Mamiko Nishiuchi, Keiko Suto, Keiko Suto, A. Sasaki, A. Sasaki, Koichi Yamakawa, Koichi Yamakawa, Tetsuya Kawachi, Tetsuya Kawachi, Keisuke Nagashima, Keisuke Nagashima, Takatsugu Oketa, Takatsugu Oketa, Takeyoshi Nakayama, Takeyoshi Nakayama, Ingo Uschmann, Ingo Uschmann, Eckhart Foerster, Eckhart Foerster, Henryk Fiedorowicz, Henryk Fiedorowicz, } "X-ray spectroscopic study on femto- and pico-second laser irradiated solid and gaseous targets", Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); doi: 10.1117/12.536791; https://doi.org/10.1117/12.536791
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