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Proceedings Paper

Ultrafast one- and two-dimensional x-ray imaging by use of x-ray streak cameras with one- and two-dimensional image-sampling technique
Author(s): Hiroyuki Shiraga; Manabu Heya; Shinsuke Fujioka; Noriaki Miyanaga; Masaaki Matsuoka; Hiroshi Azechi; Tatsuhiko Yamanaka
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Paper Abstract

Ultra-fast x-ray imaging is of great importance for diagnosing laser-driven inertial confinement fusion (ICF) plasmas. Typical required spatial and temporal resolutions are 10 micrometer and 10 ps, respectively. We have developed variety of one- (1D) and two-dimensional (2D) image sampling technique for ultrafast time-resolved x-ray imaging with x-ray streak cameras. Moire imaging of an x-ray-backlit target has been developed as 1D image sampling of an objective with 1D repetitive structure with a spatial resolution of 5 micrometer for use in experiments on hydrodynamic instabilities in laser- accelerated targets. With 1D sampling of repetitive 2D images, a multi-imaging x-ray streak camera (MIXS) with temporal- and spatial-resolutions of 10 ps and 15 micrometer, respectively, has been developed and successfully utilized for diagnosing uniformity and heating process of the imploded core plasmas. Two types of spectroscopic applications of the MIXS have been developed. One is multi-channel MIXS (McMIXS) which has three MIXS channels with various spectral responses for time- resolved 2D temperature measurement. Another is monochromatic MIXS (M-MIXS) for temperature, density and material mixing measurement, in which monochromatic images with Bragg crystals are coupled to MIXS. Finally, 2D image sampling of a 2D image on an x-ray streak camera (2D-SIXS) was also developed.

Paper Details

Date Published: 17 April 2001
PDF: 12 pages
Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); doi: 10.1117/12.424297
Show Author Affiliations
Hiroyuki Shiraga, Osaka Univ. (Japan)
Manabu Heya, Osaka Univ. (Japan)
Shinsuke Fujioka, Osaka Univ. (Japan)
Noriaki Miyanaga, Osaka Univ. (Japan)
Masaaki Matsuoka, Osaka Univ. (Japan)
Hiroshi Azechi, Osaka Univ. (Japan)
Tatsuhiko Yamanaka, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 4183:
24th International Congress on High-Speed Photography and Photonics
Kazuyoshi Takayama; Tsutomo Saito; Harald Kleine; Eugene V. Timofeev, Editor(s)

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