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Proceedings Paper

Efficient use of Q-switched lasers in the treatment of cutaneous lesions
Author(s): Xin-Hua Hu
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Paper Abstract

The use of Q-switched laser has been well documented in the treatment of pigmented lesions, particularly in the tattoo removal. To better understand the ablation process by Q-switched lasers, we carried out an analysis on the states and other physical properties of certain tissue/pigment under the action of a strong transient electric field associated with the high energy nanosecond laser pulses. The dependence of the ablation threshold of transient electric field on the chromophore absorption has been found to be weak. A plasma ablation model is used to interpret previous experimental results. The comparison of the plasma model with the conventional selective photothermolysis model has led to a new design concept of Q-switched lasers for dermatology surgery.

Paper Details

Date Published: 12 May 1995
PDF: 6 pages
Proc. SPIE 2395, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems V, (12 May 1995); doi: 10.1117/12.209147
Show Author Affiliations
Xin-Hua Hu, East Carolina Univ. (United States)

Published in SPIE Proceedings Vol. 2395:
Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems V
R. Rox Anderson M.D.; Graham M. Watson M.D.; Rudolf W. Steiner; Douglas E. Johnson M.D.; Stanley M. Shapshay M.D.; Michail M. Pankratov; George S. Abela M.D.; Lawrence S. Bass M.D.; John V. White M.D.; Rodney A. White M.D.; Kenneth Eugene Bartels D.V.M.; Lloyd P. Tate V.D.M.; C. Thomas Vangsness M.D., Editor(s)

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