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Comparison of vibration mitigation controllers for adaptive optics systems

Guesalaga, Andres; Neichel, Benoit; Rigaut, Francois; Osborn, James; Guzman, Dani

Description

Vibrations are detrimental to the performance of modern adaptive optics (AO) systems. In this paper, we describe new methods tested to mitigate the vibrations encountered in some of the instruments of the Gemini South telescope. By implementing a spectral analysis of the slope measurements from several wavefront sensors and an imager, we can determine the frequencies and magnitude of these vibrations. We found a persistent vibration at 55 Hz with others occurring occasionally at 14 and 100 Hz....[Show more]

CollectionsANU Research Publications
Date published: 2012-07-01
Type: Journal article
URI: http://hdl.handle.net/1885/101238
Source: Applied optics
DOI: 10.1364/AO.51.004520

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