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Proceedings Paper

Heating and cutting of biological tissue by highly absorbed laser beams: theoretical model and experiments
Author(s): A. M. Sagi; Avraham Shitzer; Ariella Avidor; Solange Akselrod; Abraham Katzir
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Paper Abstract

A model for calculating temperature fields and ablation processes in tissue was developed. The model assumes three different stages experienced by the tissue during a complete ablation process. The consecutive steps are: heating, boiling and ablation. The model has been examined by calculations and experimental measurements of temperature fields in various kinds of biological tissue, exposed to ablative or non-ablative laser beams in the range of low to moderate power densities. The model was able to determine temperature fields and thermal damage in tissue, as well as ablation parameters. This makes it a powerful tool for optimizing laser irradiation parameters for a variety of applications.

Paper Details

Date Published: 1 June 1990
PDF: 6 pages
Proc. SPIE 1202, Laser-Tissue Interaction, (1 June 1990); doi: 10.1117/12.17641
Show Author Affiliations
A. M. Sagi, Tel Aviv Univ. (Israel)
Avraham Shitzer, Technion--Israel Institute of Technology (Israel)
Ariella Avidor, Tel Aviv Univ. (Israel)
Solange Akselrod, Tel Aviv Univ. (Israel)
Abraham Katzir, Tel Aviv Univ. (Israel)


Published in SPIE Proceedings Vol. 1202:
Laser-Tissue Interaction
Steven L. Jacques, Editor(s)

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