Mirrors for solar telescopes made from ZERODUR glass ceramic

Thorsten Döhring; Ralf Jedamzik; Peter Hartmann

doi:10.1117/12.733728

20 September 2007 Mirrors for solar telescopes made from ZERODUR glass ceramic

Thorsten Döhring, Ralf Jedamzik, Peter Hartmann

Proceedings Volume 6689, Solar Physics and Space Weather Instrumentation II; 66890X (2007) https://doi.org/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.

Citation Download Citation

Thorsten Döhring, Ralf Jedamzik, and 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); https://doi.org/10.1117/12.733728

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