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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 15, Iss. 9 — Apr. 30, 2007
  • pp: 5664–5673

Single adjuster deformable mirror with four contact points for simultaneous correction of astigmatism and defocus

Gonçalo Figueira, João Wemans, Hugo Pires, Nelson Lopes, and Luís Cardoso  »View Author Affiliations

Optics Express, Vol. 15, Issue 9, pp. 5664-5673 (2007)

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We show that a deformable mirror with four point actuators is suitable for the simultaneous correction of astigmatism and defocus in a given optical system by adequately choosing the relative position of the actuators. An analytical model is developed that describes adequately the mirror deformation as a function of actuator position, showing that it is possible to continuously tune the weight of each aberration. Experimental measurements with a single adjuster deformable mirror assembly confirm the validity of the model.

© 2007 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(220.1000) Optical design and fabrication : Aberration compensation

ToC Category:
Adaptive Optics

Original Manuscript: March 2, 2007
Revised Manuscript: April 22, 2007
Manuscript Accepted: April 23, 2007
Published: April 25, 2007

Gonçalo Figueira, João Wemans, Hugo Pires, Nelson Lopes, and Luís Cardoso, "Single adjuster deformable mirror with four contact points for simultaneous correction of astigmatism and defocus," Opt. Express 15, 5664-5673 (2007)

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