Performance and potential applications of replica technology up to the 1-m range

Pierre Assus; Andre Glentzlin; Jean Louis Schneider; Yves Bresson; Philippe Dierickx

doi:10.1117/12.176260

1 June 1994 Performance and potential applications of replica technology up to the 1-m range

Pierre Assus, Andre Glentzlin, Jean Louis Schneider, Yves Bresson, Philippe Dierickx

Proceedings Volume 2199, Advanced Technology Optical Telescopes V; (1994) https://doi.org/10.1117/12.176260
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

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.

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Pierre Assus, Andre Glentzlin, Jean Louis Schneider, Yves Bresson, and Philippe Dierickx "Performance and potential applications of replica technology up to the 1-m range", Proc. SPIE 2199, Advanced Technology Optical Telescopes V, (1 June 1994); https://doi.org/10.1117/12.176260

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