W/SiC and Pt/SiC multilayers for the NuStar hard x-ray telescope

C.P. Jensen, K.K. Madsen, A. Jensen, Finn Erland Christensen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    This paper will discuss the coatings for the Nuclear Spectroscopic Telescope Array (NuSTAR) and describe the updates of the coating facility at the Danish National Space Center, necessary to make all the coatings in the required time frame. The inner part of the three NuSTAR telescopes will be coated with Pt/SiC and the outer part with W/SiC. To understand the roughness of the flight coatings, we will present results from 10 bilayer constant d-spacing coatings for both types of flight coatings. Also, data showing the homogeneity over the octant mirror segments as well as X-ray data from realistic depth graded coatings will be presented. The long time stability and stress in the coatings will be discussed.
    Original languageEnglish
    Title of host publicationOptics for EUV, X-Ray, and Gamma-Ray Astronomy II : Proceedings of the SPIE
    EditorsOberto Citterio, Stephan L. O'Dell
    Volume5900
    PublisherSPIE
    Publication date2005
    Pages1-7
    Article number590007
    DOIs
    Publication statusPublished - 2005
    EventSPIE Optics and Photonics 2005 - San Diego, United States
    Duration: 31 Jul 20054 Aug 2005

    Conference

    ConferenceSPIE Optics and Photonics 2005
    Country/TerritoryUnited States
    CitySan Diego
    Period31/07/200504/08/2005

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