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Optica Publishing Group
  • Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging/Information Photonics/Signal Recovery and Synthesis Topical Meetings on CD-ROM
  • OSA Technical Digest (CD) (Optica Publishing Group, 2007),
  • paper AWB6
  • https://doi.org/10.1364/AOPT.2007.AWB6

Sodium Layer Altitude Tracking in an LGS AO System

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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

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