20 September 2007 Mirrors for solar telescopes made from ZERODUR glass ceramic
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Proceedings Volume 6689, Solar Physics and Space Weather Instrumentation II; 66890X (2007); doi: 10.1117/12.733728
Event: Optical Engineering + Applications, 2007, San Diego, California, United States
Abstract
The zero expansion glass ceramic material, ZERODUR®, is well known for night-time telescope mirror substrates. Also for solar telescopes ZERODUR® is often selected as mirror blank material. Examples are the Swedish 1 m Solar Telescope (SST), the balloon-born telescope SUNRISE, and the New Solar Telescope (NST) of the Big Bear Solar Observatory. The properties of ZERODUR® are discussed with respect to the special technical requirements of solar observatories, resulting in the conclusion that mirrors made of this glass ceramic material are an excellent choice for solar telescopes.
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Thorsten Döhring, Ralf Jedamzik, Peter Hartmann, "Mirrors for solar telescopes made from ZERODUR glass ceramic", Proc. SPIE 6689, Solar Physics and Space Weather Instrumentation II, 66890X (20 September 2007); doi: 10.1117/12.733728; http://dx.doi.org/10.1117/12.733728
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KEYWORDS
Mirrors

Zerodur

Solar telescopes

Telescopes

Glasses

Ceramics

Space telescopes

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