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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 3 — Feb. 10, 2010

Hybrid adaptive-optics visual simulator

Carmen Cánovas, Pedro M. Prieto, Silvestre Manzanera, Alejandro Mira, and Pablo Artal  »View Author Affiliations


Optics Letters, Vol. 35, Issue 2, pp. 196-198 (2010)
http://dx.doi.org/10.1364/OL.35.000196


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Abstract

We have developed a hybrid adaptive-optics visual simulator (HAOVS), combining two different phase-manipulation technologies: an optically addressed liquid-crystal phase modulator, relatively slow but capable of producing abrupt or discontinuous phase profiles; and a membrane deformable mirror, restricted to smooth profiles but with a temporal response allowing compensation of the eye’s aberration fluctuations. As proof of concept, a phase element structured as discontinuous radial sectors was objectively tested as a function of defocus, and a correction loop was closed in a real eye. To further illustrate the capabilities of the device for visual simulation, we recorded extended images of different stimuli through the system by means of an external camera replacing the subject’s eye. The HAOVS is specially intended as a tool for developing new ophthalmic optics elements, where it opens the possibility to explore designs with irregularities and/or discontinuities.

© 2010 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
(330.5370) Vision, color, and visual optics : Physiological optics
(330.7327) Vision, color, and visual optics : Visual optics, ophthalmic instrumentation

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: October 15, 2009
Revised Manuscript: December 2, 2009
Manuscript Accepted: December 4, 2009
Published: January 14, 2010

Virtual Issues
Vol. 5, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Carmen Cánovas, Pedro M. Prieto, Silvestre Manzanera, Alejandro Mira, and Pablo Artal, "Hybrid adaptive-optics visual simulator," Opt. Lett. 35, 196-198 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-35-2-196


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