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Proceedings Paper

Performance and potential applications of replica technology up to the 1-m range
Author(s): Pierre Assus; Andre Glentzlin; Jean Louis Schneider; Yves Bresson; Philippe Dierickx
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Paper Abstract

The principle of replication of optical surfaces developed at OCA is given and positive results obtained in the double replication of a 1-m diameter concave master onto a concave substrate by means of an intermediate convex replica is presented. The effect of thermal cycles and humidity is addressed as well. The technology has potential applications which are not limited to serial production of small optical components but may ease the production of large convex mirrors, processing of lightweight substrates and possible exotic materials. Possible use of this technique for the VLT secondaries and/or Coude train will conclude.

Paper Details

Date Published: 1 June 1994
PDF: 8 pages
Proc. SPIE 2199, Advanced Technology Optical Telescopes V, (1 June 1994); doi: 10.1117/12.176260
Show Author Affiliations
Pierre Assus, Observatoire de la Cote d'Azur (France)
Andre Glentzlin, Observatoire de la Cote d'Azur (France)
Jean Louis Schneider, Observatoire de la Cote d'Azur (France)
Yves Bresson, Observatoire de la Cote d'Azur (France)
Philippe Dierickx, European Southern Observatory (Germany)


Published in SPIE Proceedings Vol. 2199:
Advanced Technology Optical Telescopes V
Larry M. Stepp, Editor(s)

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