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Back-support large laser mirror unit: mounting modeling and analysis

机译:背面支撑大型激光镜单元:安装建模和分析

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摘要

In high-power laser system, the surface wavefront of large optics has a close link with its structure design and mounting method. The back-support transport mirror design is presently being investigated as a means in China's high-power laser system to hold the optical component firmly while minimizing the distortion of its reflecting surface. We have proposed a comprehensive analytical framework integrated numerical modeling and precise metrology for the mirror's mounting performance evaluation while treating the surface distortion as a key decision variable. The combination of numerical simulation and field tests demonstrates that the comprehensive analytical framework provides a detailed and accurate approach to evaluate the performance of the transport mirror. It is also verified that the back-support transport mirror is effectively compatible with state-of-the-art optical quality specifications. This study will pave the way for future research to solidify the design of back-support large laser optics in China's next generation inertial confinement fusion facility.
机译:在大功率激光系统中,大型光学器件的表面波前与其结构设计和安装方法有着密切的联系。目前正在研究后支撑运输镜的设计,作为中国大功率激光系统中的一种手段,可以牢固地固定光学组件,同时最大程度地减少其反射表面的变形。我们提出了一个综合的分析框架,该框架结合了数值建模和精确的度量衡,用于评估反射镜的安装性能,同时将表面变形视为关键决策变量。数值模拟和现场测试的结合表明,全面的分析框架提供了一种详细而准确的方法来评估运输镜的性能。还证实了后支撑运输镜与最新的光学质量规格有效兼容。这项研究将为未来的研究铺平道路,以巩固中国下一代惯性约束聚变设施中的后支撑大型激光光学系统的设计。

著录项

  • 来源
    《Optical engineering》 |2018年第1期|015109.1-015109.9|共9页
  • 作者单位

    Tsinghua University, Department of Mechanical Engineering, Beijing, China;

    Tsinghua University, Department of Mechanical Engineering, Beijing, China;

    Tsinghua University, Department of Mechanical Engineering, Beijing, China;

    Tsinghua University, Department of Mechanical Engineering, Beijing, China;

    Tsinghua University, Department of Mechanical Engineering, Beijing, China;

    China Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    China Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    China Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    optical mounting; surface distortion; optomechanical analysis; finite element method;

    机译:光学安装;表面变形光力学分析;有限元法;

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