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Proceedings Paper

Subarcsecond x-ray telescope for imaging the solar corona in the 0.25- to 1.2-keV band
Author(s): Dennis J. Gallagher; Webster C. Cash; Schuyler Jelsma; Jason Farmer
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Paper Abstract

We have developed an x-ray telescope that uses a new technique for focusing x-rays with grazing incidence optics. The telescope was built with spherical optics for all of its components, utilizing the high quality surfaces obtainable when polishing spherical (as opposed to aspherical) optics. We tested the prototype x-ray telescope in the 300 meter vacuum pipe at White Sands Missile Range, NM. The telescope features 2 degree graze angles with tungsten coatings, yielding a bandpass of 0.25-1.5 keV with a peak effective area of 0.8 cm2 at 0.83 keV. Results from x-ray testing at energies of 0.25 keV and 0.93 keV (C-K and Cu-L) verify 0.5 arcsecond performance at 0.93 keV. Results from modeling the x-ray telescope's response to the SUn show that the current design would be capable of recording 10 half arcsecond images of a solar active region during a 300 second NASA sounding rocket flight.

Paper Details

Date Published: 19 July 1996
PDF: 12 pages
Proc. SPIE 2805, Multilayer and Grazing Incidence X-Ray/EUV Optics III, (19 July 1996); doi: 10.1117/12.245085
Show Author Affiliations
Dennis J. Gallagher, Ball Aerospace and Technologies Corp. and Univ. of Colorado/Boulder (United States)
Webster C. Cash, Univ. of Colorado/Boulder (United States)
Schuyler Jelsma, Univ. of Colorado/Boulder (United States)
Jason Farmer, Univ. of Colorado/Boulder (United States)


Published in SPIE Proceedings Vol. 2805:
Multilayer and Grazing Incidence X-Ray/EUV Optics III
Richard B. Hoover; Arthur B. C. Walker, Editor(s)

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