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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 20 — Jul. 10, 2009
  • pp: 3886–3893

Three-dimensional ray tracing on Delaunay-based reconstructed surfaces

Sergio Ortiz, Damian Siedlecki, Laura Remon, and Susana Marcos  »View Author Affiliations


Applied Optics, Vol. 48, Issue 20, pp. 3886-3893 (2009)
http://dx.doi.org/10.1364/AO.48.003886


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Abstract

A method of ray tracing for free-form optical surfaces has been developed. The ray tracing through such surfaces is based on Delaunay triangulation of the discrete data of the surface and is related to finite-element modeling. Some numerical examples of applications to analytical, noisy, and experimental free-form surfaces (in particular, a corneal topography map) are presented. Ray-tracing results (i.e., spot diagram root-mean-square error) with the new method are in agreement with those obtained using a modal fitting of the surface, for sampling densities higher than 40 × 40 elements. The method competes in flexibility, simplicity, and computing times with standard methods for surface fitting and ray tracing.

© 2009 Optical Society of America

OCIS Codes
(080.2720) Geometric optics : Mathematical methods (general)
(080.1753) Geometric optics : Computation methods
(330.4875) Vision, color, and visual optics : Optics of physiological systems
(330.7326) Vision, color, and visual optics : Visual optics, modeling

History
Original Manuscript: May 27, 2009
Manuscript Accepted: June 13, 2009
Published: July 1, 2009

Virtual Issues
Vol. 4, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Sergio Ortiz, Damian Siedlecki, Laura Remon, and Susana Marcos, "Three-dimensional ray tracing on Delaunay-based reconstructed surfaces," Appl. Opt. 48, 3886-3893 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-20-3886

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