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Proceedings Paper

Ultra-intense laser propagation with measurement of backscattered light image and spectrum
Author(s): Takeshi Miyakoshi; Kazuo A. Tanaka; Ryosuke Kodama; Kunioki Mima; Tatsuhiko Yamanaka; Yoneyoshi Kitagawa; Hisanori Fujita; Noriaki Miyanaga; Takayoshi Norimatsu; Tetsuji Kawasaki; Nobuhiko Izumi; J. Sunahara; Yasuhiko Sentoku; Kenjiro Takahashi; Hideaki Habara; Michiaki Mori; T. Matsushita; T. Sonomoto; H. Setoguchi; T. Koase; T. Iwatani; Yusuke Tohyama; M. Tanpo
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Paper Abstract

We have newly developed a 2D space-resolved spectrometer for an ultra high intense laser plasma experiment. Output of this data, we can obtain 4D information: space, spectrum, and intensity. An optical fiber bundle is combined with a Cross Czerny-Turner type spectrometer to acquire 2D space- resolved spectrum. This has the spectral resolution 0.8 nm and the space 8 micrometers . Back-scattered light was measured from plasmas irradiated with a n ultra-intense laser pulse at laser intensity 1019 W/cm2. The obtained spectra show distinctive difference depending on both spatial and intensity profiles.

Paper Details

Date Published: 11 January 2000
PDF: 8 pages
Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); doi: 10.1117/12.375146
Show Author Affiliations
Takeshi Miyakoshi, Institute of Laser Engineering/Osaka Univ. (Japan)
Kazuo A. Tanaka, Faculty of Engineering and Institute of Laser Engineering/Osaka Univ. (Japan)
Ryosuke Kodama, Institute of Laser Engineering/Osaka Univ. (Japan)
Kunioki Mima, Institute of Laser Engineering/Osaka Univ. (Japan)
Tatsuhiko Yamanaka, Institute of Laser Engineering/Osaka Univ. (Japan)
Yoneyoshi Kitagawa, Institute of Laser Engineering/Osaka Univ. (Japan)
Hisanori Fujita, Institute of Laser Engineering/Osaka Univ. (Japan)
Noriaki Miyanaga, Institute of Laser Engineering/Osaka Univ. (Japan)
Takayoshi Norimatsu, Institute of Laser Engineering/Osaka Univ. (Japan)
Tetsuji Kawasaki, Institute of Laser Engineering/Osaka Univ. (Japan)
Nobuhiko Izumi, Institute of Laser Engineering/Osaka Univ. (United States)
J. Sunahara, Institute of Laser Engineering/Osaka Univ. (Japan)
Yasuhiko Sentoku, Institute of Laser Engineering/Osaka Univ. (Japan)
Kenjiro Takahashi, Institute of Laser Engineering/Osaka Univ. (Japan)
Hideaki Habara, Institute of Laser Engineering/Osaka Univ. (Japan)
Michiaki Mori, Institute of Laser Engineering/Osaka Univ. (Japan)
T. Matsushita, Institute of Laser Engineering/Osaka Univ. (Japan)
T. Sonomoto, Institute of Laser Engineering/Osaka Univ. (Japan)
H. Setoguchi, Institute of Laser Engineering/Osaka Univ. (Japan)
T. Koase, Institute of Laser Engineering/Osaka Univ. (Japan)
T. Iwatani, Institute of Laser Engineering/Osaka Univ. (Japan)
Yusuke Tohyama, Institute of Laser Engineering/Osaka Univ. (Japan)
M. Tanpo, Institute of Laser Engineering/Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 3886:
High-Power Lasers in Energy Engineering
Kunioki Mima; Gerald L. Kulcinski; William J. Hogan, Editor(s)

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