Implosion double-flow-line diagnosis system

Abstract

The invention provides an implosion double-flow-line diagnosis system which is used for measuring tracks of the inner interface and the ablation surface of a target ball shell in the study of radiation driven implosion. The diagnosis system comprises a backlight source, a prepositioned filter disc, a two-channel X-ray microscope, a two-channel filter disc and an X-ray streak camera. After X-rays generated by the backlight source penetrate through an object to be measured and pass through the prepositioned filter disc, band-pas imaging is conducted on the X-rays through the two-channel X-ray microscope, the X-rays are filtered through the two-channel filter disc, and finally the X-rays are imaged onto the X-ray streak camera. In the implosion double-flow-line diagnosis system, the X-ray microscope and the two-channel filter disc have energy spectrum selected features, and through specific combination together with emission energy spectrum features of the backlight source, implosion double-flow-line images of the moving track of the target ball inner interface and the moving track of a target ball ablation layer can be obtained at the same time.

Description

technical field [0001] The invention belongs to the field of laser fusion research and the field of X-ray microscopic imaging, in particular to an implosion double streamline diagnosis system. Background technique [0002] In inertial confinement fusion research, radiation-driven implosion research is the core content of comprehensive evaluation of laser indirect-driven fusion research. The principle is to use laser ablation of the cavity wall made of high-Z materials to generate an approximately balanced X-ray radiation field. The radiation field ablates the outer layer of the target ball encapsulated in the center of the cavity. The shell of the target ball is made of low-Z material, and the shell absorbs X-ray energy. The heated shell material of the target ball forms a high-temperature ablation array inside. surface, that is, the ablation surface. The ablation wave propagates in the shell layer and continuously ablates the shell material. On the one hand, the ablated ma...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiency that the imaging system in the prior art cannot diagnose the inner boundary of the target spherical shell and the ablation surface at the same time, the present invention provides an implosion double streamline diagnosis system

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