Development and production of hard X-ray multilayer optics for HEFT

J.E Koglin, Finn Erland Christensen, J. Chonko, W.W. Craig, T.R. Decker, M.A. Jimenez-Garate, C.J. Hailey, F.A. Harrison, C.P. Jensen, M. Sileo, D.L. Windt, H. Yu

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The High Energy Focusing Telescope (HEFT) 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 mirrors that form these layers are made of thermally formed glass substrates coated with depth-graded multilayer films for enhanced reflectivity. The mirrors are assembled using an over-constraint method that forces the overall shape of the nominally cylindrical substrates to the appropriate conic form. We will present performance data on the HEFT optics and report the current status of the assembly production.
Original languageEnglish
JournalProceedings of SPIE, the International Society for Optical Engineering
Volume4851
Pages (from-to)607-618
ISSN1605-7422
DOIs
Publication statusPublished - 2002

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