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Proceedings Article

GREGOR M1 mirror and cell design: effects of different mirror substrates on the telescope design

[+] Author Affiliations
M. Süß, P. Eisenträger

MT Mechatronics GmbH (Germany)

R. Volkmer

Kiepenheuer-Institut für Sonnenphysik (Germany)

Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 77391I (July 21, 2010); doi:10.1117/12.857041
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From Conference Volume 7739

  • Modern Technologies in Space- and Ground-based Telescopes and Instrumentation
  • San Diego, California, USA | June 27, 2010

abstract

After suffering from serious problems in the course of the SiC 1.5m M1 manufacturing, the existing design of the M1, it's cell and the associated mirror cooling system was investigated in terms of modification efforts to be compatible for a different M1 substrate (Zerodur). The analysis included the system requirements, the M1 design, the M1 support system, the M1 cooling system as well as the M1 cell. The investigations resulting in a modified design of the above mentioned system. Driven by the choice of material, different requirements became design driving factors. The consequences on the detail design of the M1 Mirror as well as on the support system and the cooling system are presented.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

M. Süß ; R. Volkmer and P. Eisenträger
"GREGOR M1 mirror and cell design: effects of different mirror substrates on the telescope design", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 77391I (July 21, 2010); doi:10.1117/12.857041; http://dx.doi.org/10.1117/12.857041


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