Experimental research of capsule implosion by X-ray backlighting radiography at Shenguang Ⅱ

Shenye, 杜华冰 Liu; Guohong, 刘慎业 Yang; Jiyan, 杨国洪 Zhang; Jun, 张继彦 Li; Yixiang, 李军 Huang; Xin, 黄翼翔 Hu; Rongqing, 胡昕 Yi; Huabing, 易荣清 Du; Zhurong, 曹柱荣 Cao; Haiying, 张海鹰 Zhang; Yongkun, 丁永坤 Ding

doi:10.3788/hplpb20112312.3333

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除上述方波驱动的综合内爆实验以外还建立了1

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“…若干关键物理量的实验研究方法 [21][22][23] , 包括: 早期对称性 [24] 、飞行阶段对称性 [25] 、滞止阶段对称性 [26] 、流体力学不稳定性、壳层内界面形貌, 以及内爆混合效应 [27] 等; 掌握了分幅相机和条纹相机等高时间分辨X 射线成像设备的使用方法, 发展了球面弯晶单色成像技术 [28] 、KB显微成像技术 [29] 、VISAR测量技术 [30] 等. 理论方面, 有能力用一维模拟去理解内爆实验结果.…”

Section: 除上述方波驱动的综合内爆实验以外还建立了unclassified

Progress of indirectly driven implosion experiments

Huang

Miao

et al. 2018

Sci. Sin.-Phys. Mech. Astron.

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Section: 除上述方波驱动的综合内爆实验以外还建立了unclassified

Progress of indirectly driven implosion experiments

Huang

Miao

et al. 2018

Sci. Sin.-Phys. Mech. Astron.

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Experimental research on X-ray radiation and ablation of an Ag foil targets irradiated by high intensity 2ω0 laser light beam

Liu¹,

Huang²,

Hu³

et al. 2013

Acta Phys. Sin.

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The characteristics of radiation and ablation are investigated for an Ag foil irradiated with 2 ns, ～5×1014 W/cm2, 526.5 nm laser at SGII laser facility. The flight trajectory and velocity of the Ag foil are measured by X-ray streak camera. The experimental results show that they are in good agreement with simulations of one-dimensional radiation hydrodynamics code multi-1d using a flux-limited f=0.01. A rocket model is used to fit the experimental data, and the mass ablation rate and ablation pressure are obtained. The L-shell X-ray conversion and spectra of the laser-produced Ag plasma are measured with a Bragg crystal spectrometer and an array of X-ray diodes. The design for X-ray backlighting radiograph experiments will benefit from these experimental results. The result and method presented in this article are significant for the ablation research on the capsule shell and cavity wall material in laser fusion ignition experiment.

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Experimental research of capsule implosion by X-ray backlighting radiography at Shenguang Ⅱ

Cited by 2 publications

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Progress of indirectly driven implosion experiments

Progress of indirectly driven implosion experiments

Experimental research on X-ray radiation and ablation of an Ag foil targets irradiated by high intensity 2ω0 laser light beam

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