Silicon carbide (SiC) mirrors for lightweight x-ray optics

Oberto Citterio; Sergio Campana; Paolo Conconi; Mauro Ghigo; Francesco Mazzoleni; Heinrich W. Braeuninger; Wolfgang Burkert; Andreas Oppitz

doi:10.1117/12.331254

19 November 1998 Silicon carbide (SiC) mirrors for lightweight x-ray optics

Oberto Citterio, Sergio Campana, Paolo Conconi, Mauro Ghigo, Francesco Mazzoleni, Heinrich W. Braeuninger, Wolfgang Burkert, Andreas Oppitz

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Proceedings Volume 3444, X-Ray Optics, Instruments, and Missions; (1998) https://doi.org/10.1117/12.331254
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Future x-ray space missions will require high throughput x- ray telescopes with angular resolution of the order of tens arcsec and large effective area. Nowadays the most used technology to obtain thin and light mirror shells is the replica technique by nickel electroforming. This technology has been successfully employed for projects like SAX, JET-X, XMM and ABRIXAS. Nevertheless the high density of the nickel poses some limitations to the possibility of extending the use of this technology for future x-ray space missions. In this respect the use of ceramic materials like silicon carbide and alumina for the manufacturing of x-ray optics appears to be an attractive technology. In the paper we review possible processes for manufacturing x-ray mirror shells using silicon carbide ceramic material and we report the result of an on-going activity aimed to verify the performances of these new technologies in the context of the wide angle x-ray survey project. This is a small satellite mission aimed to survey a large part of the sky in the x-ray band. The project is being developed as a feasibility study in the frame of the Agenzia Spaziale Italiana program for small-medium satellite missions.

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Oberto Citterio, Sergio Campana, Paolo Conconi, Mauro Ghigo, Francesco Mazzoleni, Heinrich W. Braeuninger, Wolfgang Burkert, and Andreas Oppitz "Silicon carbide (SiC) mirrors for lightweight x-ray optics", Proc. SPIE 3444, X-Ray Optics, Instruments, and Missions, (19 November 1998); https://doi.org/10.1117/12.331254

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KEYWORDS

Silicon carbide

X-rays

X-ray optics

Mirrors

Ceramics

Epoxies

Spatial resolution

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