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光学玻璃进展(八)--大型天文望远镜镜坯玻璃(续)

Progress in Optical Glass(8)——Glass Mirror Blank for Large Astronomic Telescope
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摘要 3 硼硅酸盐玻璃镜坯3.1 Pyrex Corning 1930年代以来,以Corning 公司膨胀系数30×10 ^-7 ℃^ -1 的低膨胀玻璃 Pyrex 为代表的硼硅酸盐玻璃开始用做大型天文望远镜主镜坯。硼硅酸盐玻璃的组成示于表4。典型代表为口径20吋(5.08 m)、建于美国加州的Palomar 天文台的 Hole望远镜。
作者 蒋亚丝 JIANG Yasi(Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China)
出处 《玻璃与搪瓷》 CAS 2018年第6期42-49,共8页 Glass & Enamel
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