Two‐frame flash x‐radiography device for the study of particle beam fusion target implosions
作者:
D. L. Fehl,
J. Chang,
期刊:
Review of Scientific Instruments
(AIP Available online 1983)
卷期:
Volume 54,
issue 6
页码: 665-672
ISSN:0034-6748
年代: 1983
DOI:10.1063/1.1137450
出版商: AIP
数据来源: AIP
摘要:
A two‐frame flash x‐radiography (FXR) system has been developed for studying the implosion hydrodynamics of particle beam driven, inertial confinement fusion (ICF) targets. This system consists of two micropoint flash x‐ray sources, two gated x‐ray cameras, and a mechanical framework for aligning these components with respect to the target. The tungsten micropoint sources yield a bremsstrahlung spectrum with an end‐point energy of 600 keV, an x‐ray dose of 8 mrad at 61 cm, a spot size of ∼100 &mgr;m, and an exposure time of ∼3 ns. A geometric magnification of 4× was employed in this radiographic arrangement, with an overall system resolving power of 4 line pairs/mm. This system has been used successfully to observe relativistic electron beam (REB) driven, ablative pusher target implosions.
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