Share Email Print
cover
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

Preliminary requirements and possible technological solutions for the next generation of ground-based optical telescopes were laid down at ESO in 1998. Since then, a phase A study has been commissioned, the objective of which is to produce a conceptual design compatible, to the maximum possible extent, with proven technology, and establish realistic plans for detailed design, site selection, construction and operation for a 100-m class optical, diffraction-limited telescope. There was no doubt about how daunting such a challenge would be, but, somewhat surprisingly, it turns out to be firmly confined to adaptive optics concepts and technologies. The telescope itself appears to be feasible within the allocated budget and without reliance on exotic assumptions. Fabrication of key subsystems is fully within the reach of a properly engineered, industrialized process. A consolidated baseline is taking shape, and alternative system and subsystem solutions are being explored, strengthening the confidence that requirements could be met. Extensive development of wavefront measurement techniques enlarges the palette of solutions available for active wavefront control of a segmented, active telescope. At system level, ESO is developing enabling experiments to validate multi-conjugate adaptive optics (MAD for Multi-conjugate Adaptive optics Demonstrator) and telescope wavefront control (APE, for Active Phasing Experiment).

Paper Details

Date Published: 30 January 2003
PDF: 20 pages
Proc. SPIE 4840, Future Giant Telescopes, (30 January 2003); doi: 10.1117/12.459939
Show Author Affiliations
Philippe Dierickx, European Southern Observatory (Germany)
Jean-Louis Beckers, European Southern Observatory (Germany)
Enzo Brunetto, European Southern Observatory (Germany)
Rodolphe Conan, European Southern Observatory (Germany)
Enrico Fedrigo, European Southern Observatory (Germany)
Roberto Gilmozzi, European Southern Observatory (Germany)
Norbert N. Hubin, European Southern Observatory (Germany)
Franz Koch, European Southern Observatory (Germany)
Miska Le Louarn, European Southern Observatory (Germany)
Enrico Marchetti, European Southern Observatory (Germany)
Guy J. Monnet, European Southern Observatory (Germany)
Lothar Noethe, European Southern Observatory (Germany)
Marco Quattri, European Southern Observatory (Germany)
Marc S. Sarazin, European Southern Observatory (Germany)
Jason Spyromilio, European Southern Observatory (Germany)
Natalia Yaitskova, European Southern Observatory (Germany)


Published in SPIE Proceedings Vol. 4840:
Future Giant Telescopes
J. Roger P. Angel; Roberto Gilmozzi, Editor(s)

© SPIE. Terms of Use
Back to Top