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Proceedings Paper

Preliminary results of a feasibility study for a hard x-ray Kirkpatrick-Baez telescope
Author(s): Karsten Dan Joensen; Paul Gorenstein; James L. Wood; Finn Erland Christensen; Peter Hoghoj
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Paper Abstract

Multilayers as coatings for grazing incidence telescopes have the potential of effectively improving the performance of telescopes coated with high-Z elements. For broad-band high energy (+10 keV) applications the multilayers, called supermirrors, are ideal. In this presentation we present the preliminary results of a feasibility study of a multifocus Kirkpatrick-Baez telescope. We conclude that high quality multilayers can be performed on relevant thin large flat substrate with adequate uniformity, and that existing deposition chambers can produce the multilayers at a rate of 0.42 m2 per day, so that a coating reflectors for a 1200 cm2 aperture telescope would take 8.5 months. The only remaining unanswered question is whether these thin supermirror-coated reflected can be configured to a 2 - 3' tolerance.

Paper Details

Date Published: 11 November 1994
PDF: 10 pages
Proc. SPIE 2279, Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics, (11 November 1994); doi: 10.1117/12.193133
Show Author Affiliations
Karsten Dan Joensen, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Paul Gorenstein, Harvard-Smithsonian Ctr. for Astrophysics (United States)
James L. Wood, OsMiC Inc. (United States)
Finn Erland Christensen, Danish Space Research Institute (Denmark)
Peter Hoghoj, European Synchrotron Radiation Facility (France)

Published in SPIE Proceedings Vol. 2279:
Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics
Richard B. Hoover; Arthur B. C. Walker, Editor(s)

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