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13 September 2012 Light-weight glass optics for segmented x-ray mirrors
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Abstract
One of the most challenging tasks for future X-ray observatories is the enhancement of collecting area combined with very good angular resolution. Light-weight mirror materials, such as thin glass sheets, are needed to achieve this aims within the mass limits. We are developing a technology based on indirect hot slumping of thin glass segments. This technique enables us to produce the parabolic and hyperbolic part of the Wolter type I mirrors in one piece. Currently we focus on a combination of a ceramic slumping mould and glass type D263. The experimental set-up in our laboratories as well as the slumping process are described in detail; furthermore we report on the metrology methods used for measuring the glass sheets and moulds. Finally the results of the X-ray tests of several integrated glass sheets are presented.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anita Winter, Elias Breunig, Renzo Capelli, Peter Friedrich, Vadim Burwitz, Gisela Hartner, Benedikt Menz, Tilman Schmachtel, Gerhard Derst, and Manfred Neher "Light-weight glass optics for segmented x-ray mirrors", Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 84502E (13 September 2012); https://doi.org/10.1117/12.925910
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