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Proceedings Paper

ZERODUR 8m mirror for space telescope
Author(s): Peter Hartmann; Thomas Westerhoff; Ralf Reiter; Ralf Jedamzik; Volker Wittmer; Heiko Kohlmann
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Paper Abstract

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® 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.

Paper Details

Date Published: 11 August 2010
PDF: 12 pages
Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 77313Y (11 August 2010); doi: 10.1117/12.858796
Show Author Affiliations
Peter Hartmann, SCHOTT AG (Germany)
Thomas Westerhoff, SCHOTT AG (Germany)
Ralf Reiter, SCHOTT AG (Germany)
Ralf Jedamzik, SCHOTT AG (Germany)
Volker Wittmer, SCHOTT AG (Germany)
Heiko Kohlmann, SCHOTT AG (Germany)


Published in SPIE Proceedings Vol. 7731:
Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave
Jacobus M. Oschmann; Mark C. Clampin; Howard A. MacEwen, Editor(s)

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