Test facility for astronomical x-ray optics

Finn Erland Christensen, Robert A. Lewis, J. Bordas

Research output: Contribution to journalJournal articleResearch

Abstract

Grazing incidence x-ray optics for x-ray astronomical applications are used outside the earth's atmosphere. These devices require a large collection aperture and the imaging of an x-ray source that is essentially placed at infinity. The ideal testing system for these optical elements has to approximate that encountered under working conditions; however, the testing of these optical elements is notoriously difficult with conventional x-ray generators. Synchrotron radiation (SR) sources are sufficiently brilliant to produce a nearly perfect parallel beam over a large area while still retaining a flux considerably higher than that available from conventional x-ray generators. A facility designed for the testing of x-ray optics, particularly in connection with x-ray telescopes, is described. It is proposed that this facility will be accommodated at the Synchrotron Radiation Source at the Daresbury Laboratory in the United Kingdom.
Original languageEnglish
JournalOptical Engineering
Volume29
Issue number8
Pages (from-to)942-945
ISSN0091-3286
DOIs
Publication statusPublished - 1990

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