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Proceedings Paper

Vibrations in MagAO: frequency-based analysis of on-sky data, resonance sources identification, and future challenges in vibrations mitigation
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Paper Abstract

Frequency-based analysis and comparisons of tip-tilt on-sky data registered with 6.5 Magellan Telescope Adaptive Optics (MagAO) system on April and Oct 2014 was performed. Twelve tests are conducted under different operation conditions in order to observe the influence of system instrumentation (such as fans, pumps and louvers). Vibration peaks can be detected, power spectral densities (PSDs) are presented to reveal their presence. Instrumentation-induced resonances, close-loop gain and future challenges in vibrations mitigation techniques are discussed.

Paper Details

Date Published: 27 July 2016
PDF: 6 pages
Proc. SPIE 9909, Adaptive Optics Systems V, 99093L (27 July 2016); doi: 10.1117/12.2232676
Show Author Affiliations
Sebastián Zúñiga, Univ. Técnica Federico Santa María (Chile)
Javier Garcés, Univ. Técnica Federico Santa María (Chile)
Laird M. Close, Univ. of Arizona (United States)
Jared R. Males, Univ. of Arizona (United States)
Katie M. Morzinski, Univ. of Arizona (United States)
Pedro Escárate, Univ. Técnica Federico Santa María (Chile)
Mario Castro, Univ. Técnica Federico Santa María (Chile)
José Marchioni, Univ. Técnica Federico Santa María (Chile)
Diego Zagals, Univ. Técnica Federico Santa María (Chile)


Published in SPIE Proceedings Vol. 9909:
Adaptive Optics Systems V
Enrico Marchetti; Laird M. Close; Jean-Pierre Véran, Editor(s)

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