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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 9 — May. 5, 2003
  • pp: 1056–1069

Membrane deformable mirror for adaptive optics: performance limits in visual optics

Enrique J. Fernández and Pablo Artal  »View Author Affiliations


Optics Express, Vol. 11, Issue 9, pp. 1056-1069 (2003)
http://dx.doi.org/10.1364/OE.11.001056


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Abstract

The performance of a membrane deformable mirror with 37 electrodes (OKO Technologies) is studied in order to characterize its utility as an adaptive optics element. The control procedure is based on knowledge of the membrane’s response under the action of each isolate electrode, i.e., the influence functions. The analysis of the mathematical techniques to obtain the control matrix gives useful information about the surfaces that are within the device’s range of production, thus predicting the best performance of the mirror. We used a straightforward iterative algorithm to control the deformable membrane that permits the induction of surfaces in approximately four iterations, with an acceptable level of stability. The mirror and the control procedure are tested by means of generating Zernike polynomials and other surfaces. The mirror was incorporated in an adaptive optics prototype to compensate the eye’s aberration in real time and in a closed loop. Double-pass retinal images with and without aberration correction were directly recorded in a real eye in order to evaluate the actual performance of the adaptive optics prototype.

© 2003 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
(330.5370) Vision, color, and visual optics : Physiological optics
(350.4600) Other areas of optics : Optical engineering

ToC Category:
Research Papers

History
Original Manuscript: April 10, 2003
Revised Manuscript: April 24, 2003
Published: May 5, 2003

Citation
Enrique Fernandez and Pablo Artal, "Membrane deformable mirror for adaptive optics: performance limits in visual optics," Opt. Express 11, 1056-1069 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-9-1056


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