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Integrated modeling for design of lightweight, active mirrors

机译：集成建模，用于设计轻巧的主动镜

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摘要

Lightweight, active, silicon carbide mirrors have the potential to enable larger primary aperture, space-based optical systems, hence improving the resolution and sensitivity of such systems. However, due to the lack of design heritage, the best mirror designs are not yet known. Therefore, an integrated model of the lightweight mirrors is created in order to explore the design space. The model determines the achievable radius of curvature change within wavefront error limits, the peak launch stress, and the mass of a mirror segment. However, designing a mirror to meet any of these individual objectives results in a system that performs poorly in terms of the other objectives. Therefore, a full trade space analysis is run to determine the portions of the design space that best balance the trade-offs between metrics. These results are used to determine designs that perform well with respect to specific missions and can be used for future mirror designs.
机译：轻巧的有源碳化硅镜具有实现更大的主孔径基于空间的光学系统的潜力，从而提高了此类系统的分辨率和灵敏度。然而，由于缺乏设计传统，最好的镜子设计尚不为人所知。因此，为了探索设计空间，创建了轻型镜子的集成模型。该模型确定在波阵面误差范围内可达到的曲率半径变化，峰值发射应力和镜段的质量。但是，设计满足这些单个目标中任何一个的镜子会导致系统在其他目标方面表现不佳。因此，需要进行完整的交易空间分析，以确定设计空间中最能平衡指标之间权衡的部分。这些结果用于确定在特定任务方面性能良好的设计，并可用于将来的镜子设计。

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  • 来源
    《Optical engineering》 |2011年第6期|p.063003.1-063003.13|共13页
  • 作者

    Lucy E. Cohan; David W. Miller;

  • 作者单位

    Massachusetts Institute of Technology Department of Aeronautics and Astronautics 77 Massachusetts Avenue, 37-371 Cambridge, Massachusetts 02139;

    Massachusetts Institute of Technology Department of Aeronautics and Astronautics 77 Massachusetts Avenue, 37-371 Cambridge, Massachusetts 02139;

  • 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

    integrated model; lightweight mirrors; space telescope; active optics;

    机译：集成模型轻便的镜子;太空望远镜主动光学;

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