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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 17 — Sep. 1, 2002
  • pp: 1537–1539

Use of a microelectromechanical mirror for adaptive optics in the human eye

Nathan Doble, Geunyoung Yoon, Li Chen, Paul Bierden, Ben Singer, Scott Olivier, and David R. Williams  »View Author Affiliations


Optics Letters, Vol. 27, Issue 17, pp. 1537-1539 (2002)
http://dx.doi.org/10.1364/OL.27.001537


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Abstract

Ophthalmic instrumentation equipped with adaptive optics offers the possibility of rapid and automated correction of the eye's optics for improving vision and for improving images of the retina. One factor that limits the widespread implementation of adaptive optics is the cost of the wave-front corrector, such as a deformable mirror. In addition, the large apertures of these elements require high pupil magnification, and hence the systems tend to be physically large. We present what are believed to be the first closed-loop results when a compact, low-cost, surface micromachined, microelectromechanical mirror is used in a vision adaptive-optics system. The correction performance of the mirror is shown to be comparable to that of a Xinetics mirror for a 4.6-mm pupil size. Furthermore, for a pupil diameter of 6.0-mm, the residual rms error is reduced from 0.36 to 0.12 µm and individual photoreceptors are resolved at a pupil eccentricity of 1° from the fovea.

© 2002 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(230.3990) Optical devices : Micro-optical devices
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

Citation
Nathan Doble, Geunyoung Yoon, Li Chen, Paul Bierden, Ben Singer, Scott Olivier, and David R. Williams, "Use of a microelectromechanical mirror for adaptive optics in the human eye," Opt. Lett. 27, 1537-1539 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-17-1537


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