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Proceedings Paper

Production and calibration of the first HEFT hard x-ray optics module
Author(s): Jason E. Koglin; C. M. Hubert Chen; James Chonko; Finn E. Christensen; William W. Craig; Todd R. Decker; Kurt S. Gunderson; Charles J. Hailey; Fiona A. Harrison; Carsten P. Jensen; Kristin K. Madsen; Marcela Stern; David L. Windt; Haitao Yu; Eric Ziegler
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Paper Abstract

Complete hard X-ray optics modules are currently being produced for the High Energy Focusing Telescope (HEFT), a balloon born mission that will observe a wide range of objects including young supernova remnants, active galactic nuclei, and galaxy clusters at energies between 20 and 70 keV. Large collecting areas are achieved by tightly nesting layers of grazing incidence mirrors in a conic approximation Wolter-I design. The segmented layers are made of thermally-formed glass substrates coated with depth-graded multilayer films for enhanced reflectivity. Our novel mounting technique involves constraining these mirror segments to successive layers of precisely machined graphite spacers. We report the production and calibration of the first HEFT optics module.

Paper Details

Date Published: 29 January 2004
PDF: 12 pages
Proc. SPIE 5168, Optics for EUV, X-Ray, and Gamma-Ray Astronomy, (29 January 2004); doi: 10.1117/12.506431
Show Author Affiliations
Jason E. Koglin, Columbia Univ. (United States)
C. M. Hubert Chen, California Institute of Technology (United States)
James Chonko, Columbia Univ. (United States)
Finn E. Christensen, Danish Space Research Institute (Denmark)
William W. Craig, Lawrence Livermore National Lab. (United States)
Todd R. Decker, Lawrence Livermore National Lab. (United States)
Kurt S. Gunderson, Lawrence Livermore National Lab. (United States)
Charles J. Hailey, Columbia Univ. (United States)
Fiona A. Harrison, California Institute of Technology (United States)
Carsten P. Jensen, Danish Space Research Institute (Denmark)
Kristin K. Madsen, Danish Space Research Institute (Denmark)
Marcela Stern, Columbia Univ. (United States)
David L. Windt, Columbia Univ. (United States)
Haitao Yu, Columbia Univ. (United States)
Eric Ziegler, European Synchrotron Radiation Facility (France)

Published in SPIE Proceedings Vol. 5168:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy
Oberto Citterio; Stephen L. O'Dell, Editor(s)

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