| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Basso, Stefano
Brera Astronomical Observatory
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2014Evaluation of the surface strength of glass plates shaped by hot slumping processcitations
- 2013Accurate integration of segmented x-ray optics using interfacing ribscitations
- 2010The optics system of the New Hard X-ray Mission: design and developmentcitations
- 2009Design And Development The Ixo Mirrors By Innovative Slumping Glass Technologies
- 2009Stiff and Lightweight Optical Mirrors Made by Glass Slumping with Foamed Core
- 2009Design and development of the optics system for the NHXM Hard X-ray and Polarimetric Missioncitations
- 2009Technologies for manufacturing of high angular resolution multilayer coated optics for future new hard x-ray missions: a status reportcitations
- 2008Simbol-X mirror module design scientific optimization.
- 2008Design and development of the SIMBOL-X hard x-ray opticscitations
- 2008Feasibility study for the manufacturing of the multilayer X-ray optics for Simbol-X
- 2008The relation between the weight and the quality image in a X-ray telescope, with a particular regard to Simbol-X
- 2007Development of a prototype nickel optic for the Constellation-X hard x-ray telescopecitations
- 2005Development of grazing-incidence multilayer mirrors by direct Ni electroforming replication: a status reportcitations
Places of action
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article
Design And Development The Ixo Mirrors By Innovative Slumping Glass Technologies
Abstract
At INAF Brera Astronomical Observatory development activities are ongoing aiming at the design and development of the IXO mirrors based on slumping glass technique. Our approach is based on the use of thermal slumping of thin glass optics and it presents a number of innovative solution for the implementation. In particular our approach foresees the use of a ceramic mould made of SiC for thermal shaping of the glass segments, which occurs exerting a proper pressure during the moulding process. A thin layer (a few hundred Angstroms) of Pt or Ir is previously deposited on the glass segment, to prevent the adhesion on the SiC mould surface. Therefore this coating not only acts as a release agent of the process but, at the same time, it has also the role of reflecting layer of the X-ray mirror (in a sense like it was the role of gold in the Ni electroforming replication method used for the XMM shells). SiC is chosen for its very good T/M characteristics and, in particular, a very high thermal conductivity and very low CTE. SiC mould will be produced via injection moulding process, followed by a the application of a cladding layer (a few tens microns) application of CVD SiC for allowing a superpolishing of the surface until a roughness of a few Angstrom rms is achieved. Once the mirror segments are produced, they are integrated in petals by means of air-bearings supports, that allows us to maintain the proper shape of the segments without deformations. The segments are stacked into the petals by the use of connecting ribs, glued to the front surface of each mirror and to the rear of the next one....