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A stacked prism lens concept for next-generation hard X-ray telescopes

机译：适用于下一代硬X射线望远镜的堆叠棱镜透镜概念

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摘要

Effective collecting area, angular resolution, field of view and energy response are fundamental attributes of X-ray telescopes.The performance of state-of-the-art telescopes is currently restricted by Wolter optics, especially for hard X-rays. Here wereport the development of a stacked prism lens (SPL), which is lightweight and modular and has the potential for a significantimprovement in effective area, while retaining high angular resolution. The proposed optics are built by stacking disks embeddedwith prismatic rings, created with photoresist by focused ultraviolet lithography. We demonstrate the SPL approach usinga prototype lens that was manufactured and characterized at a synchrotron radiation facility. The design of a potential satelliteborneX-ray telescope is outlined and the performance is compared with contemporary missions.
机译：有效的采集面积，角分辨率，视野和能量响应是X射线望远镜的基本属性。目前，最先进的望远镜的性能受到Wolter光学器件的限制，特别是对于硬X射线。在此开发了一种堆叠式棱镜（SPL），该透镜重量轻且模块化，在保持高角度分辨率的同时，可以有效改善有效面积。所提出的光学器件是通过堆叠嵌入有棱镜环的光盘而构建的，这些棱镜环是通过聚焦紫外光刻技术用光刻胶制成的。我们演示了使用在同步辐射装置上制造并表征的原型透镜进行的SPL方法。概述了潜在的卫星X射线望远镜的设计，并将其性能与现代任务进行了比较。

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  • 来源
    《Nature Astronomy》 |2019年第9期|867-872|共6页
  • 作者

    Wujun Mi; Peter Nillius; Mark Pearce; Mats Danielsson;

  • 作者单位

    Department of Physics KTH Royal Institute of Technology Stockholm Sweden;

    Department of Physics KTH Royal Institute of Technology Stockholm Sweden The Oskar Klein Centre for Cosmoparticle Physics AlbaNova University Centre Stockholm Sweden;

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