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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 9 — May. 1, 2006
  • pp: 1268–1270

MEMS-based adaptive optics scanning laser ophthalmoscopy

Yuhua Zhang, Siddharth Poonja, and Austin Roorda  »View Author Affiliations


Optics Letters, Vol. 31, Issue 9, pp. 1268-1270 (2006)
http://dx.doi.org/10.1364/OL.31.001268


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Abstract

We have developed a compact, robust adaptive optics (AO) scanning laser ophthalmoscope using a microelectromechanical (MEMS) deformable mirror (DM). Facilitated with a Shack–Hartmann wavefront sensor, the MEMS-DM-based AO operates a closed-loop modal wave aberration correction for the human eye and reduces wave aberrations in most eyes to below 0.1 μ m rms. Lateral resolution is enhanced, and images reveal a clear cone mosaic near the foveal center. The significant increase in throughput allows for a confocal pinhole whose diameter is less than the Airy disc of the collection lens, thereby fully exploiting the axial resolution capabilities of the system.

© 2006 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(170.1790) Medical optics and biotechnology : Confocal microscopy
(230.3990) Optical devices : Micro-optical devices
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: January 6, 2006
Manuscript Accepted: January 19, 2006

Virtual Issues
Vol. 1, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Yuhua Zhang, Siddharth Poonja, and Austin Roorda, "MEMS-based adaptive optics scanning laser ophthalmoscopy," Opt. Lett. 31, 1268-1270 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-9-1268


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