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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. 1, Iss. 4 — Apr. 12, 2006

System performance evaluation of refractive surgical lasers: a mathematical approach

Guang-ming Dai, Erik Gross, and Junzhong Liang  »View Author Affiliations


Applied Optics, Vol. 45, Issue 9, pp. 2124-2134 (2006)
http://dx.doi.org/10.1364/AO.45.002124


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Abstract

A study was conducted for the purpose of improving the designs of the next generation of refractive surgical laser systems. Two common refractive laser systems, variable-spot scanning (type A) and small-spot scanning (type B), are discussed by identifying sources of error that could adversely affect the capability of these lasers to accurately produce complex, customized wavefront guided ablations. A mathematical model was used to construct a laser simulator that models the two common laser systems in terms of the root-mean-square error. Error sources from ablation profile fitting, ablation registration, eye tracking, and the laser delivery system are compared, and the relative contribution of each to the overall system error is analyzed. This system-level analysis can be helpful to the improvement of both laser systems.

© 2006 Optical Society of America

OCIS Codes
(140.2180) Lasers and laser optics : Excimer lasers
(170.1020) Medical optics and biotechnology : Ablation of tissue
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(170.4470) Medical optics and biotechnology : Ophthalmology

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: July 18, 2005
Manuscript Accepted: August 25, 2005

Virtual Issues
Vol. 1, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Guang-ming Dai, Erik Gross, and Junzhong Liang, "System performance evaluation of refractive surgical lasers: a mathematical approach," Appl. Opt. 45, 2124-2134 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-45-9-2124

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