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http://hdl.handle.net/20.500.12386/24993
Titolo: | Model supporting the use of pressure in the hot slumping of glass substrates for X-ray telescopes | Autori: | SALMASO, Bianca Brizzolari, Claudia SPIGA, Daniele |
Data pubblicazione: | 2016 | Rivista: | OPTICS EXPRESS | Numero: | 24 | Fascicolo: | 21 | Da pagina:: | 24799 | Abstract: | Thin glass foils are nowadays considered good substrates for lightweight focusing optics, especially for X-ray telescopes. The desired shape can be imparted to the foils by hot slumping, a process that replicates the shape of a slumping mould. During thermal slumping, when the glass and the mould come into contact, ripples in the glass surface appear spontaneously if the thermal expansions are mismatched. In our hot slumping setup, pressure is applied to ease the mould shape replication and to enhance the ripple relaxation. Starting from an existing model developed to explain the ripple formation in hot-slumped glass foils without pressure, we have developed a model that includes the pressure to support our experimental results. | URI: | http://hdl.handle.net/20.500.12386/24993 | URL: | https://doi.org/10.1364/OE.24.024799 | ISSN: | 1094-4087 | DOI: | 10.1364/OE.24.024799 | Bibcode ADS: | 2016OExpr..2424799S | Fulltext: | open |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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