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Comparison of vibration mitigation controllers for adaptive optics systems |
Applied Optics, Vol. 51, Issue 19, pp. 4520-4535 (2012)
http://dx.doi.org/10.1364/AO.51.004520
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Abstract
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. Two types of AO controllers were designed and implemented, Kalman and
© 2012 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: March 1, 2012
Revised Manuscript: May 4, 2012
Manuscript Accepted: May 21, 2012
Published: June 29, 2012
Citation
Andres Guesalaga, Benoit Neichel, Francois Rigaut, James Osborn, and Dani Guzman, "Comparison of vibration mitigation controllers for adaptive optics systems," Appl. Opt. 51, 4520-4535 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-19-4520
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