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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 12 — Dec. 19, 2012

First-order design of a reflective viewfinder for adaptive optics ophthalmoscopy

Alfredo Dubra and Yusufu N. Sulai  »View Author Affiliations


Optics Express, Vol. 20, Issue 24, pp. 26596-26605 (2012)
http://dx.doi.org/10.1364/OE.20.026596


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Abstract

Adaptive optics (AO) ophthalmoscopes with small fields of view have limited clinical utility. We propose to address this problem in reflective instruments by incorporating a viewfinder pupil relay designed by considering pupil and image centering and conjugation. Diverting light from an existing pupil optical relay to the viewfinder relay allows switching field of view size. Design methods that meet all four centering and conjugation conditions using either a single concave mirror or with two concave mirrors forming an off-axis afocal telescope are presented. Two different methods for calculating the focal length and orientation of the concave mirrors in the afocal viewfinder relay are introduced. Finally, a 2.2 × viewfinder mode is demonstrated in an AO scanning light ophthalmoscope.

© 2012 OSA

OCIS Codes
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(080.4035) Geometric optics : Mirror system design
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: August 20, 2012
Revised Manuscript: October 5, 2012
Manuscript Accepted: October 5, 2012
Published: November 12, 2012

Virtual Issues
Vol. 7, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Alfredo Dubra and Yusufu N. Sulai, "First-order design of a reflective viewfinder for adaptive optics ophthalmoscopy," Opt. Express 20, 26596-26605 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-20-24-26596


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