Thin glass shell oriented to wide field X-ray telescope

M. M. Civitani, O. Citterio, S. Campana, P. Conconi, E. Mattaini, G. Pareschi, G. Tagliaferri, G. Parodi, V. Burwitz, G. D. Hartner, J. Arnold, S. Schuler, H. Combrinck, R. Freeman, R. Morton, P. Simpson, D. Walker

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

The next generation wide-field X-ray telescope (WFXT), to be implemented beyond eRosita and proposed within the NASA RFI call 2011, requires an angular resolution of less than 10 arcsec (with goal of 5") constant across a wide field of view (1 deg2). To achieve this requirement the design is based on nested modified grazing incidence Wolter-I mirrors with polynomial profiles. Our goals in terms of mass and stiffness can be meet with the use of fused silica glass, a wellknown material with good thermo-mechanical properties and polishability characteristics, together with an innovative polishing approach. Here we present the X-ray calibration results obtained for a prototypal shell tested in fullillumination mode at the Panter/MPE facility.

Original languageEnglish
Title of host publicationSpace Telescopes and Instrumentation 2012
Subtitle of host publicationUltraviolet to Gamma Ray
Volume8443
DOIs
Publication statusPublished - 1 Dec 2012
Externally publishedYes
EventSpace Telescopes + Instrumentation: Ultraviolet to Gamma Ray - Amsterdam RAI Exhibition and Convention Centre , Amsterdam, Netherlands
Duration: 1 Jul 20126 Jul 2012
https://spie.org/conferences-and-exhibitions/past-conferences-and-exhibitions/astronomical-instrumentation-and-telescopes-2012 (Link to Conference Details )

Conference

ConferenceSpace Telescopes + Instrumentation
CountryNetherlands
CityAmsterdam
Period1/07/126/07/12
Internet address

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