| ICF冷冻靶燃料冰层原位表征技术 |
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| 引用本文： | 王凯,谢端,林伟,刘元琼,黎军,漆小波,唐永建,雷海乐.ICF冷冻靶燃料冰层原位表征技术[J].强激光与粒子束,2013,25(12):3230-3234. |
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| 作者姓名： | 王凯 谢端 林伟 刘元琼 黎军 漆小波 唐永建 雷海乐 |
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| 作者单位： | 1.中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621 900 |
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| 摘 要： | 背光阴影成像是表征ICF冷冻靶燃料冰层的有效方法。基于背光阴影成像技术，冷冻靶燃料冰层原位表征技术能原位实时监测靶丸内燃料气体相变与冰层均化过程，得到打靶零前时刻燃料冰层厚度和粗糙度信息，为物理实验提供准确参数。在冷冻靶制备实验中，根据背光阴影成像的光线追迹模型和实验测得的阴影图像中的亮环位置，计算得到了均化后冷冻靶中燃料冰层的厚度以及内表面粗糙度。
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| 关 键 词： | 惯性约束核聚变 冷冻靶 背光阴影成像 光线追迹 |
| 收稿时间： | 2013-07-22 |
In situ characterization technique of fuel ice layer for ICF cryotargets |
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| Institution: | 1.Research Center of Laser Fusion,CAEP,P.O.Box 919-987,Mianyang 621900,China |
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| Abstract: | Backlit shadowgraphy is an effective method for characterizing fuel ice in ICF cryotargets. Based on backlit shadowgraphy, the ice layer in situ characterization system can monitor the phase transformation and ice layering process of fuel in real-time as well as provide thickness and roughness of fuel ice before target shooting for physical experiments. In the experiments of cryotarget preparation, the thickness and inner roughness of fuel ice layer were calculated by the ray tracing simulation of backlit shadowgraphy and the position of bright ring in shadowgraph. |
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