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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 24 — Nov. 19, 2012
  • pp: 27108–27122

Frequency based design of modal controllers for adaptive optics systems

Guido Agapito, Giorgio Battistelli, Daniele Mari, Daniela Selvi, Alberto Tesi, and Pietro Tesi  »View Author Affiliations

Optics Express, Vol. 20, Issue 24, pp. 27108-27122 (2012)

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This paper addresses the problem of reducing the effects of wavefront distortions in ground-based telescopes within a “Modal-Control” framework. The proposed approach allows the designer to optimize the Youla parameter of a given modal controller with respect to a relevant adaptive optics performance criterion defined on a “sampled” frequency domain. This feature makes it possible to use turbulence/vibration profiles of arbitrary complexity (even empirical power spectral densities from data), while keeping the controller order at a moderate value. Effectiveness of the proposed solution is also illustrated through an adaptive optics numerical simulator.

© 2012 OSA

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence

ToC Category:
Adaptive Optics

Original Manuscript: August 2, 2012
Revised Manuscript: October 12, 2012
Manuscript Accepted: October 14, 2012
Published: November 16, 2012

Guido Agapito, Giorgio Battistelli, Daniele Mari, Daniela Selvi, Alberto Tesi, and Pietro Tesi, "Frequency based design of modal controllers for adaptive optics systems," Opt. Express 20, 27108-27122 (2012)

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