Propagation effects in the assessment of laser damage thresholds to the eye and skin

Robert J. Thomas; Rebecca L. Vincelette; C. D. Clark III; Jacob Stolarski; Lance J. Irvin; Gavin D. Buffington

doi:10.1117/12.715190

21 February 2007 Propagation effects in the assessment of laser damage thresholds to the eye and skin

Robert J. Thomas, Rebecca L. Vincelette, C. D. Clark III, Jacob Stolarski, Lance J. Irvin, Gavin D. Buffington

Proceedings Volume 6435, Optical Interactions with Tissue and Cells XVIII; 64350A (2007) https://doi.org/10.1117/12.715190
Event: SPIE BiOS, 2007, San Jose, California, United States

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.

Citation Download Citation

Robert J. Thomas, Rebecca L. Vincelette, C. D. Clark III, Jacob Stolarski, Lance J. Irvin, and Gavin D. Buffington "Propagation effects in the assessment of laser damage thresholds to the eye and skin", Proc. SPIE 6435, Optical Interactions with Tissue and Cells XVIII, 64350A (21 February 2007); https://doi.org/10.1117/12.715190

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