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Mirrors for solar telescopes made from ZERODUR~R glass ceramic

机译:ZERODUR〜R玻璃陶瓷制成的太阳望远镜镜

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The zero expansion glass ceramic material, ZERODUR~R, is well known for night-time telescope mirror substrates. Also for solar telescopes ZERODUR~R 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~R 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.
机译:零膨胀玻璃陶瓷材料ZERODUR〜R以夜间望远镜镜基底而闻名。同样对于太阳望远镜,ZERODUR〜R通常被选作镜面毛坯材料。例如瑞典的1 m太阳望远镜(SST),气球出生的SUNRISE望远镜以及大熊太阳天文台的新太阳望远镜(NST)。针对太阳天文台的特殊技术要求,对ZERODUR〜R的性能进行了讨论,得出的结论是,这种玻璃陶瓷材料制成的镜子是太阳天文望远镜的绝佳选择。

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