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Design of hard X-ray focusing telescope with a large field of view

机译：大视场硬X射线聚焦望远镜的设计

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摘要

X-ray Timing and Polarization (XTP) satellite with focusing optics and advanced detectors will study Black Hole, Neutron Star, Quark Star and the physics under extreme gravity, density and magnetism. XTP is about to make the most sensitive temporal and polarization observations with good energy resolution in 1-30 keV. We present the design of XTP Telescope with a larger field of view in this paper. The initial structure design of nested conical Wolter-I telescope in X-rays is determined with the focal length f=4.5m, mirror length L=100mm, thickness t=0.3mm, inner and outer diameter D_(in-out)=100-450mm. To optimize the structure parameters, a self-complied Matlab software is used to maximize the center geometrical collecting are. A constant deviation gap between every two mirrors is introduced, and we calculate geometrical area in on-axis and off-axis. Balancing the performance of the telescope, the final gap value is 0.06 mm. The geometrical collecting area of on-axis decreased by 5%, the average geometrical area of off-axis is increased about 1.7% and the field of view is improved from 22' to 24', meanwhile, number of mirrors and total weight of mirrors also are decreased by 5.8%, 5.3% respectively.
机译：带有聚焦光学器件和先进探测器的X射线定时与极化（XTP）卫星将研究黑洞，中子星，夸克星以及极端重力，密度和磁性条件下的物理学。 XTP将以1-30 keV的能量分辨率进行最敏感的时间和极化观测。在本文中，我们将以更大的视野介绍XTP望远镜的设计。嵌套锥形Wolter-I望远镜在X射线中的初始结构设计取决于焦距f = 4.5m，反射镜长度L = 100mm，厚度t = 0.3mm，内径和外径D_（in-out）= 100 -450mm。为了优化结构参数，使用了自动完成的Matlab软件来最大化中心几何收集面积。引入了每两个反射镜之间的恒定偏差间隙，并且我们计算了轴上和轴外的几何面积。平衡望远镜的性能，最终间隙值为0.06毫米。轴上的几何收集面积减少了5％，轴外的平均几何面积增加了约1.7％，并且视场从22'改善到24'，同时，反射镜的数量和反射镜的总重量也分别下降了5.8％，5.3％。

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  • 来源
    《Optical design and testing VI》|2014年|92721R.1-92721R.11|共11页
  • 会议地点 Beijing(CN)
  • 作者

    Shenghao Chen; Baozhong Mu; Shuang Ma; Zhanshan Wang;

  • 作者单位

    MOE Key Laboratory of Advanced Micro-Structured Materials, Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China;

    MOE Key Laboratory of Advanced Micro-Structured Materials, Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China;

    MOE Key Laboratory of Advanced Micro-Structured Materials, Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China;

    MOE Key Laboratory of Advanced Micro-Structured Materials, Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    X-ray telescopes; off-axis; geometrical collecting area; field of view;

    机译：X射线望远镜；离轴几何收集区；视场;

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