Improvement of Absorption and Hydrodynamic Efficiency by Using a Double-Foil Target with a Pinhole

Kawakatsu Yamada; Makoto Yagi; Hiroaki Nishimura; Fushiki Matsuoka; Hiroshi Azechi; Tatsuhiko Yamanaka; Chiyoe Yamanaka

doi:10.1143/JPSJ.51.280

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Improvement of Absorption and Hydrodynamic Efficiency by Using a Double-Foil Target with a Pinhole

Kawakatsu Yamada, Makoto Yagi, Hiroaki Nishimura, Fushiki Matsuoka, Hiroshi Azechi, Tatsuhiko Yamanaka, Chiyoe Yamanaka

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1982 Volume 51 Issue 1 Pages 280-285

DOI https://doi.org/10.1143/JPSJ.51.280

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Abstract

The improvement of absorption and hydrodynamic efficiency was experimentally investigated by using a double-foil target with a pinhole for laser beam. The behavior of the accelerated target is reasonably consistent with a cannonballx-acceleration model. The absorption coefficient and the hydrodynamic efficiency increased by factors of 14 and 7, respectively, in comparison with a single foil target under the same irradiation condition.

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