NASA NTRS · 20140012849
Toward Large-Area Sub-Arcsecond X-Ray Telescopes
Abstract
The future of x-ray astronomy depends upon development of x-ray telescopes with larger aperture areas (>1 sq m) and finer angular resolution(<1).Combined with the special requirements of nested grazing incidence optics, the mass and envelope constraints of spaceborne telescopes render such advances technologically challenging. Achieving this goal will require precision fabrication, alignment, mounting, and assembly of large areas (>100 sq m) of lightweight (1 kg/sq m areal density) high quality mirrors-possibly entailing active (in-space adjustable) alignment and figure correction. This paper discusses relevant programmatic and technological issues and summarizes progress toward large area sub-arcsecond x-ray telescopes. Key words: X-ray telescopes, x-ray optics, active optics, electroactive devices, silicon mirrors, differential deposition, ion implantation.
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O'Dell, Stephen L., Aldcroft, Thomas L., Allured, Ryan, Atkins, Carolyn, Burrows, David N., Cao, Jian, Chalifoux, Brandon D., Chan, Kai-Wing, Cotroneo, Vincenzo, Elsner, Ronald F., Graham, Michael E., Gubarev, Mikhail V., Heilmann, Ralf K., Johnson-Wilke, Raegan L., Kilaru, Kiranmayee, Kolodziejczak, Jeffrey J., McMuldroch, Stuart, Ramsey, Brian D., Reid, Paul B., Riveros, Raul E., Roche, Jacqueline M., Saha, Timo T., Schattenburg, Mark L., Schwartz, Daniel A., Trolier-McKinstry, Susan E., Ulmer, Melville P., Vaynman, Semyon, Vikhlinin, Alexey, Wang, Xiaoli, Weisskopf, Martin C., Wilke, Rudeger H. T., Zhang, William W.. 2014-08-17. Toward Large-Area Sub-Arcsecond X-Ray Telescopes. https://ntrs.nasa.gov/citations/20140012849
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