激光聚变冲击波速度测量光学系统设计
Design of optical system for laser fusion shock velocity measurement
查看参考文献13篇
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文摘
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针对激光聚变冲击波速度测量的需求,设计了一种集被动式扫描高温计和主动式冲击波速度测量于一体的复合冲击波速度测量系统。通过采用多种耐辐射光学玻璃材料,实现了共用光路的400~700 nm耐辐射消色差设计;通过采用自动控制干涉仪简化了系统操作;主动测速系统通过切换不同焦距的中继成像镜头,实现了不同放大倍率的切换。系统的物方视场为φ2.0 mm,主动式测速系统的放大倍率为10×,20×,30×,静态实验干涉条纹平直,调制度达到0.69以上,物方分辨率达到4.72 μm。该系统在激光聚变装置上能够实现冲击波速度的动态测量。 |
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其他语种文摘
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To meet the demands of laser fusion shock velocity measurements,a composite system that integrates a passive scanning optical pyrometer with an active shock wave velocity interferometer was designed in this study. The common-path lens was achromatic and designed in the range of 400-700 nm by using several types of radiation resistance optical materials. The mirrors of a Mach-Zehnder interferometer were motorized and could be controlled remotely,thereby simplifying the operation of the system. In addition,the system magnification could be altered by using different focal lengths with a streak camera coupling lens. The field of view of the combined system is 2 mm,and the magnification settings for the active velocity measuring system are 10×,20×,and 30×. The static interference fringes are straight,and their contrast is greater than 0.69. The system has a 4.72 μm spatial resolution. The system can be applied to dynamic measurement of shock velocity in a laser fusion device. |
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来源
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光学精密工程
,2021,29(2):259-266 【核心库】
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DOI
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10.37188/ope.20212902.0259
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关键词
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光学系统设计
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速度干涉仪
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多普勒频移
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扫描高温计
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地址
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中国科学院西安光学精密机械研究所, 陕西, 西安, 710119
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1004-924X |
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学科
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物理学;机械、仪表工业 |
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基金
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国家重点研发计划资助项目
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文献收藏号
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CSCD:6932561
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