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ESO's New Technology Telescope (NTT) Metallic Primary Mirror Project

Published online by Cambridge University Press:  12 April 2016

K.N. Mischung
K.N. Mischung*
Affiliation:
European Southern Observatory, Karl-Schwarzschild-Str. 2, D-8046 Garching

Abstract

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ESO has investigated the technological feasibility of a metallic primary mirror for the NTT. A brief status report is given indicating that a nickel coated aluminum or aluminum-alloy mirror blank can be manufactured within 15-18 months at costs well below those for a glass or ceramic material of identical shape and dimensions.

Type
II. Mirrors and Domes
Information
International Astronomical Union Colloquium , Volume 79: Very Large Telescopes, their Instrumentation and Programs , 1984 , pp. 57 - 66
Copyright
Copyright © ESO 1984