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Proceedings Paper

Propagation effects in the assessment of laser damage thresholds to the eye and skin
Author(s): Robert J. Thomas; Rebecca L. Vincelette; C. D. Clark III; Jacob Stolarski; Lance J. Irvin; Gavin D. Buffington
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Paper Abstract

Computational physics methods are described for the evaluation of the role of propagation with regard to laser damage to tissues. Regions of the optical spectrum, where linear and non-linear propagation affects irradiance distributions within tissues, are examined. Effects described include group-velocity dispersion, aberrations, thermal lensing, and self-focusing. Implications to exposure limits within safety standards, incorporating these irradiance-altering effects, are addressed such that inherent trends agree over wide temporal and spectral ranges, with damage thresholds measured experimentally. We present current regions of interest to the standard-setting community and recent works showing how propagation effects may be playing a key role in assessing damage thresholds.

Paper Details

Date Published: 21 February 2007
PDF: 12 pages
Proc. SPIE 6435, Optical Interactions with Tissue and Cells XVIII, 64350A (21 February 2007);
Show Author Affiliations
Robert J. Thomas, Air Force Research Lab. (United States)
Rebecca L. Vincelette, Air Force Research Lab. (United States)
C. D. Clark III, Northrop Grumman (United States)
Jacob Stolarski, Air Force Research Lab. (United States)
Lance J. Irvin, Fort Hays State Univ. (United States)
Gavin D. Buffington, Fort Hays State Univ. (United States)

Published in SPIE Proceedings Vol. 6435:
Optical Interactions with Tissue and Cells XVIII
Steven L. Jacques; William P. Roach, Editor(s)

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