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20 September 2007 Mirrors for solar telescopes made from ZERODUR glass ceramic
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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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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