New solutions for innovative extremely large telescopes

Gianpietro Marchiori; Francesco Rampini; Piero Salinari

doi:10.1117/12.674041

30 May 2006 New solutions for innovative extremely large telescopes

Gianpietro Marchiori, Francesco Rampini, Piero Salinari

Proceedings Volume 6148, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 614806 (2006) https://doi.org/10.1117/12.674041
Event: 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2005, Xian, China

Abstract

The new generation of Extremely Large Telescopes, may require the identification of new construction technologies, in order to improve the stiffness to weight ratio of the structure, to introduce higher damping while maintaining under control the construction and maintenance costs. The identification of new construction technologies and the consequent development of the materials used, may allow to obtain a leading technological instrument able to meet also the most extreme scientific requests, and able to adapt to the new requests that might be raised along the life of the telescope. The control of the weight of the structure is extremely important also for the dimensioning of the auxiliary structures such as drives, bearings, shafts, hard stops, counterweight, stow pins, hydrostatics support systems, etc., for energy management, and for the problems related to pre-assembly, disassembly in factory and erection on site. In this preliminary study we consider a light weight floating telescope structure made of composite materials and plastic foams.

Citation Download Citation

Gianpietro Marchiori, Francesco Rampini, and Piero Salinari "New solutions for innovative extremely large telescopes", Proc. SPIE 6148, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 614806 (30 May 2006); https://doi.org/10.1117/12.674041

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KEYWORDS

Telescopes

Mirrors

Large telescopes

Optical spheres

Composites

Finite element methods

Space telescopes

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