ZERODUR® 8 m Mirror for Space Telescope

被引：1

作者：

Hartmann, Peter ^{[1
]}

Westerhoff, Thomas ^{[1
]}

Reiter, Ralf ^{[1
]}

Jedamzik, Ralf ^{[1
]}

Wittmer, Volker ^{[1
]}

Kohlmann, Heiko ^{[1
]}

机构：

[1] SCHOTT AG Germany, D-55122 Mainz, Germany

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2010: OPTICAL, INFRARED, AND MILLIMETER WAVE | 2010年 / 7731卷

关键词：

ZERODUR (R); eight meter telescope; space telescope; telescope mirror; thermal expansion; strength; light weight mirror;

D O I：

10.1117/12.858796

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

In 2010 ESO will celebrate the 10th anniversary of the fourth 8 m telescope Yepun's first light event. Together with the other VLT telescopes it has accumulated more than 40 years of extremely successful operation time for astronomy. Progress in rocket technology and in ZERODUR (R) light weighting gives reason for contemplating about the use of the last currently available 8.2 m blank for a space telescope. This paper will review the outstanding quality of the first four mirror blanks and present the quality of the blank still available. Additionally we will give an overview over the progress in the last decade in technology and knowledge and how they might support the use of the 8 m blank as space telescope mirror.

引用

页数：12

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