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设计方法自由形表面光学系统的设计方法与低合位置错误灵敏度错误.

Yu Xia1,2, Yawei Huang1, Changxiang Yan1,3

  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China.

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|July 13, 2024
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概括

自由形光学系统的新设计方法显著降低了对组装错误的敏感性. 这种方法确保了高图像性能,同时提高了复杂的离轴反射系统的工程可行性.

关键词:
消极化 消极化 消极化表面自由形状的表面.位置错误的位置错误

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科学领域:

  • 光学工程是指光学工程.
  • 系统设计 系统设计
  • 耐受性分析的分析

背景情况:

  • 自由形外轴反射系统由于不对称的设计,因此存在重大对齐和组装挑战.
  • 现有的方法在这些复杂的光学系统中努力平衡图像质量和制造公差.

研究的目的:

  • 为自由形表面系统开发一种新的设计方法,以尽量减少对位置错误的敏感性.
  • 为了提高非轴反射光学系统的工程可行性,而不会影响光学性能.

主要方法:

  • 建立了在合位置误差扰动下反射系统的数学模型.
  • 使用集群微元素方法开发了一个合错误灵敏度评估函数.
  • 将拟议的具有低合位置误差灵敏度 (FCPESM) 的自由形表面系统设计方法应用于离轴三镜系统.

主要成果:

  • 通过FCPESM方法,显示了对光学系统的组装容忍要求的显著放松.
  • 图像性能得到维持,同时提高了对同时倾斜和倾斜错误的耐受性.
  • 进一步阐明了光学系统位置错误的干扰机制.

结论:

  • 在自由形式系统中,FCPESM光学设计方法有效平衡图像性能和错误灵敏度.
  • 这种方法导致更坚固和可制造的自由形外轴反射光学系统.