17 September 2014 Toward large-area sub-arcsecond x-ray telescopes
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Abstract
The future of x-ray astronomy depends upon development of x-ray telescopes with larger aperture areas (≈ 3 m2) and fine angular resolution (≈ 1″). Combined with the special requirements of nested grazing-incidence optics, the mass and envelope constraints of space-borne telescopes render such advances technologically and programmatically challenging. Achieving this goal will require precision fabrication, alignment, mounting, and assembly of large areas (≈ 600 m2) of lightweight (≈ 1 kg/m2 areal density) high-quality mirrors at an acceptable cost (≈ 1 M$/m2 of mirror surface area). This paper reviews relevant technological and programmatic issues, as well as possible approaches for addressing these issues—including active (in-space adjustable) alignment and figure correction.
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Stephen L. O'Dell, Thomas L. Aldcroft, Ryan Allured, Carolyn Atkins, David N. Burrows, Jian Cao, Brandon D. Chalifoux, Kai-Wing Chan, Vincenzo Cotroneo, Ronald F. Elsner, Michael E. Graham, Mikhail V. Gubarev, Ralf K. Heilmann, Raegan L. Johnson-Wilke, Kiranmayee Kilaru, Jeffery J. Kolodziejczak, Charles F. Lillie, Stuart McMuldroch, Brian D. Ramsey, Paul B. Reid, Raul E. Riveros, Jacqueline M. Roche, Timo T. Saha, Mark L. Schattenburg, Daniel A. Schwartz, Susan E. Trolier-McKinstry, Melville P. Ulmer, Semyon Vaynman, Alexey Vikhlinin, Xiaoli Wang, Martin C. Weisskopf, Rudeger H. T. Wilke, William W. Zhang, "Toward large-area sub-arcsecond x-ray telescopes", Proc. SPIE 9208, Adaptive X-Ray Optics III, 920805 (17 September 2014); doi: 10.1117/12.2061882; https://doi.org/10.1117/12.2061882
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