Experiment progress of ablative Rayleigh-Taylor instability based on X-ray framing camera

Author:

Cao Zhu-Rong ,Miao Wen-Yong ,Dong Jian-Jun ,Yuan Yong-Teng ,Yang Zheng-Hua ,Yuan Zheng ,Zhang Hai-Ying ,Liu Shen-Ye ,Jiang Shao-En ,Ding Yong-Kun ,

Abstract

Using high dynamic range X-ray framing camera, the radiation driven ablative Rayleigh-Taylor instability facing backlight radiography on SHENGUANH (SG) II device is studied. In the SG II that has eight beams with the 2 ns laser pulse and the ninth beam for Mo backlight, two-dimensional space-time ablation RT growth process for the cycle 20 m and the initial perturbation 1 m are observed clearly, and the non-linear growth process is also observed by the doping Br ratio of 1.1% in samples. The result lays a good foundation for quantitative characterization and numerical simulation of RT instability in inertial confinement fusion (ICF) experiments.

Publisher

Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences

Subject

General Physics and Astronomy

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