Development of foam shell with plastic ablator for cryogenic laser fusion target

DOI PDF 被引用文献7件
  • M. Takagi
    Institute of Laser Engineering, Osaka University 2-6, Yamada-oka, Suita, Osaka 565 Japan
  • M. Ishihara
    Institute of Laser Engineering, Osaka University 2-6, Yamada-oka, Suita, Osaka 565 Japan
  • T. Norimatsu
    Institute of Laser Engineering, Osaka University 2-6, Yamada-oka, Suita, Osaka 565 Japan
  • T. Yamanaka
    Institute of Laser Engineering, Osaka University 2-6, Yamada-oka, Suita, Osaka 565 Japan
  • Y. Izawa
    Institute of Laser Engineering, Osaka University 2-6, Yamada-oka, Suita, Osaka 565 Japan
  • S. Nakai
    Institute of Laser Engineering, Osaka University 2-6, Yamada-oka, Suita, Osaka 565 Japan

抄録

<jats:p>A low density, low Z foam shell overcoated with a plastic ablation layer was developed for use as a cryogenic laser fusion target in which main liquid or solid fuel is sustained by the uniformly thick foam layer. The high quality ablator with thickness of 1–10 μm, uniformity of ≳95%, and surface smoothness of &lt;0.2 μm was coated on the foam shell by the interfacial polycondensation method using hydroxyethylcellulose or poly(p-vinyl phenol) (PVP) and isophthaloyl chloride. The tensile strength of the crosslinked PVP at low temperature and its permeability to deuterium at room temperature are comparable with those for polystyrene. In this reaction, we found that the existence of surfactant in the emulsion was essential to form an ablation layer which adhered to the foam layer.</jats:p>

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