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Proceedings Article

LGS implementation for NAOS

[+] Author Affiliations
Markus E. Kasper, Bernhard Delabre, Rob Donaldson, Enrico Fedrigo, Guy Hess, Norbert N. Hubin, Jean-Louis Lizon, Matty Nylund, Christian Soenke

European Southern Observatory (Germany)

Julien Charton, Gerard Zins

Lab. d'Astrophysique de l'Observatoire de Grenoble (France)

Proc. SPIE 5490, Advancements in Adaptive Optics, 1071 (October 25, 2004); doi:10.1117/12.551650
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From Conference Volume 5490

  • Advancements in Adaptive Optics
  • Kona, United States | June 21, 2004

abstract

After more than two years of very successful operation in NGS mode, the VLT Shack-Hartmann AO system NAOS will be upgraded to be operational with the VLT LGS in late 2004. The implementation concerns a new STRAP tip-tilt sensor, an optical path including the trombone to accommodate for LGS height variations, a LIDAR device to measure the initial LGS height, and many high and low level software changes (real-time computer, instrument control, templates, preparation software, etc.). The paper presents this upgrade concept as well as some analysis of the predicted performance of NAOS-LGS.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Markus E. Kasper ; Julien Charton ; Bernhard Delabre ; Rob Donaldson ; Enrico Fedrigo, et al.
"LGS implementation for NAOS", Proc. SPIE 5490, Advancements in Adaptive Optics, 1071 (October 25, 2004); doi:10.1117/12.551650; http://dx.doi.org/10.1117/12.551650


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