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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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