| 激光间接驱动内爆靶丸的X光诊断 |
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| 引用本文： | 张继彦, 杨国洪, 缪文勇, 等. 激光间接驱动内爆靶丸的X光诊断[J]. 强激光与粒子束, 2006, 18(06). |
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| 作者姓名： | 张继彦 杨国洪 缪文勇 丁耀南 |
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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： | 报道了神光Ⅱ激光聚变实验中内爆燃料靶丸区电子温度、电子密度以及燃料面密度的X光诊断结果。在电子温度诊断中，采用X射线光谱学方法，根据聚变靶丸燃料区的Ar示踪元素的Ly-β线与He-β线的强度比推断出靶丸燃料区电子温度为(950±100) eV；在电子密度诊断中，利用靶丸燃料区Ar元素的He-β线Stark展宽确定聚变靶丸芯部的电子密度为(0.9±0.2)×1024 cm-3；在燃料区面密度诊断中，利用X光单能照相技术获得了内爆靶丸的燃料面密度为（3.2±0.5） mg/cm2。
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| 关 键 词： | 激光聚变 X光诊断 内爆靶丸 电子温度 电子密度 燃料面密度 |
X-ray diagnostics of laser indirect-driven implosion pellet |
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| research center, of laser, et al. X-ray diagnostics of laser indirect-driven implosion pellet[J]. High Power Laser and Particle Beams, 2006, 18. |
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| Authors: | research center of laser |
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| Affiliation: | 1. ZHANG Ji-yan,YANG Guo-hong,MIAO Wen-yong,DING Yao-nan |
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| Abstract: | In this paper, the electron temperature, electron density and areal density of imploded fuel pellet driven by SGⅡ laser were diagnosed through X-ray method. The electron temperature deduced from intensity ratio of Ly-beta line and He-beta line of Ar tracer doped in DD fuel was determined to be(950±100) eV. The electron density which was deduced from Stark broadening of He-beta line was determined to be (0.9±0.2)×1024cm-3. And the fuel areal density, which was deduced from X-ray monochromatic imaging of compressed fuel, was determined to be (3.2±0.5) mg/cm2. |
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| Keywords: | laser fusion x-ray diagnostics implosion pellet electron temperature electron density fuel areal density |
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