27 October 2016 Toward large-area sub-arcsecond x-ray telescopes II
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In order to advance significantly scientific objectives, future x-ray astronomy missions will likely call for x-ray telescopes with large aperture areas (≈ 3 m2) and fine angular resolution (≈ 12). Achieving such performance is programmatically and technologically challenging due to the mass and envelope constraints of space-borne telescopes and to the need for densely nested grazing-incidence optics. Such an x-ray telescope will require precision fabrication, alignment, mounting, and assembly of large areas (≈ 600 m2) of lightweight (≈ 2 kg/m2 areal density) high-quality mirrors, at an acceptable cost (≈ 1 M$/m2 of mirror surface area). This paper reviews relevant programmatic and technological issues, as well as possible approaches for addressing these issues-including direct fabrication of monocrystalline silicon mirrors, active (in-space adjustable) figure correction of replicated mirrors, static post-fabrication correction using ion implantation, differential erosion or deposition, and coating-stress manipulation of thin substrates.
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Stephen L. O'Dell, Stephen L. O'Dell, Ryan Allured, Ryan Allured, Andrew O. Ames, Andrew O. Ames, Michael P. Biskach, Michael P. Biskach, David M. Broadway, David M. Broadway, Ricardo J. Bruni, Ricardo J. Bruni, David N. Burrows, David N. Burrows, Jian Cao, Jian Cao, Brandon D. Chalifoux, Brandon D. Chalifoux, Kai-Wing Chan, Kai-Wing Chan, Yip-Wah Chung, Yip-Wah Chung, Vincenzo Cotroneo, Vincenzo Cotroneo, Ronald F. Elsner, Ronald F. Elsner, Jessica A. Gaskin, Jessica A. Gaskin, Mikhail V. Gubarev, Mikhail V. Gubarev, Ralf K. Heilmann, Ralf K. Heilmann, Edward Hertz, Edward Hertz, Thomas N. Jackson, Thomas N. Jackson, Kiranmayee Kilaru, Kiranmayee Kilaru, Jeffrey J. Kolodziejczak, Jeffrey J. Kolodziejczak, Ryan S. McClelland, Ryan S. McClelland, Brian D. Ramsey, Brian D. Ramsey, Paul B. Reid, Paul B. Reid, Raul E. Riveros, Raul E. Riveros, Jacqueline M. Roche, Jacqueline M. Roche, Suzanne E. Romaine, Suzanne E. Romaine, Timo T. Saha, Timo T. Saha, Mark L. Schattenburg, Mark L. Schattenburg, Daniel A. Schwartz, Daniel A. Schwartz, Eric D. Schwartz, Eric D. Schwartz, Peter M. Solly, Peter M. Solly, Susan Trolier-McKinstry, Susan Trolier-McKinstry, Melville P. Ulmer, Melville P. Ulmer, Alexey Vikhlinin, Alexey Vikhlinin, Margeaux L. Wallace, Margeaux L. Wallace, Xiaoli Wang, Xiaoli Wang, David L. Windt, David L. Windt, Youwei Yao, Youwei Yao, Shi Ye, Shi Ye, William W. Zhang, William W. Zhang, Heng Zuo, Heng Zuo, "Toward large-area sub-arcsecond x-ray telescopes II", Proc. SPIE 9965, Adaptive X-Ray Optics IV, 996507 (27 October 2016); doi: 10.1117/12.2238247; https://doi.org/10.1117/12.2238247

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