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Proceedings Paper

Active Optics: From The Test Set Up To The Ntt In The Observatory,
Author(s): L. Noethe; F. Franza; P. Giordano; R. N . Wilson; M. Tarenghi
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Paper Abstract

We start off with the 1 meter experiment. The principles of active optics and the results of the 1 meter experiment are described in detail in three papers 1, 2, 3. The support geometry is identical to the one of the NTT primary mirror. The 78 actuators, 75 of them astatic levers with movable counterweights, are located on four rings with three fixed points on the third ring. The mirror is a spherical mirror of 1 meter diameter and a thickness of 19 mm.

Paper Details

Date Published: 20 September 1989
PDF: 6 pages
Proc. SPIE 1114, Active Telescope Systems, (20 September 1989); doi: 10.1117/12.960836
Show Author Affiliations
L. Noethe, ESO (Germany)
F. Franza, ESO (Germany)
P. Giordano, ESO (Germany)
R. N . Wilson, ESO (Germany)
M. Tarenghi, ESO (Germany)

Published in SPIE Proceedings Vol. 1114:
Active Telescope Systems
Francois J. Roddier, Editor(s)

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