国家点火装置胶囊靶研制的最新进展

R. Cook, M. Anthamatten, J. P. Armstrong, S. Letts, R. McEachern, B. Mcquillan, M. Takagi
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引用次数: 5

摘要

在国家点火设施进行点火实验的胶囊靶材必须满足非常严格的要求。其中最主要的是直径为2mm、壁为150 μm的胶囊在所有长度尺度上都具有极高的对称性。在LLNL,生产符合这些规格的聚酰亚胺和溅射铍靶材的工作正在进行中。这两种靶都需要薄壁球壳塑料芯棒,铍或聚酰亚胺烧蚀器沉积在芯棒上。在本文中,我们报告了最近的进展,开发NIF胶囊,满足苛刻的设计要求。
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Recent progress in the development of capsule targets for the National Ignition Facility
The capsule targets for ignition experiments at the National Ignition Facility must meet very exacting requirements. Primary among them is an extremely high degree of symmetry at all length scales for the 2-mm-diameter 150-μm-walled capsule. At LLNL work is in progress to produce both polyimide and sputtered beryllium targets that meet these specifications. Both of these targets require a thin-walled spherical-shell plastic mandrel upon which the beryllium or polyimide ablator is deposited. In this paper we report on recent progress in developing NIF capsules that meet the demanding design requirements.
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