Abstract
A focus mode controller for an extremely large telescope can include an ability to off-load the defocus caused by variations in the sodium layer. This paper formulates the design of the altitude tracking controller as a discrete-time estimation problem.
© 2007 Optical Society of America
PDF ArticleMore Like This
Damien Gratadour and Francois Rigaut
PMA4 Adaptive Optics: Methods, Analysis and Applications (AO) 2007
Jean-Pierre Véran
ATuA1 Adaptive Optics: Methods, Analysis and Applications (AO) 2007
Douglas P. Looze
AWA2 Adaptive Optics: Methods, Analysis and Applications (AO) 2007