Interaction thresholds in Er:YAG laser ablation of organic tissue

Matjaz Lukac; Marko Marincek; Gorazd Poberaj; Ladislav Grad; Janez Ivan Mozina; Dusan Sustercic; Nenad Funduk; Uros Skaleric

doi:10.1117/12.230324

19 January 1996 Interaction thresholds in Er:YAG laser ablation of organic tissue

Matjaz Lukac, Marko Marincek, Gorazd Poberaj, Ladislav Grad, Janez Ivan Mozina, Dusan Sustercic, Nenad Funduk, Uros Skaleric

Author Affiliations +

Proceedings Volume 2623, Medical Applications of Lasers III; (1996) https://doi.org/10.1117/12.230324
Event: BiOS Europe '95, 1995, Barcelona, Spain

Abstract

Because of their unique properties with regard to the absorption in organic tissue, pulsed Er:YAG lasers are of interest for various applications in medicine, such as dentistry, dermatology, and cosmetic surgery. The relatively low thermal side effects, and surgical precision of erbium medical lasers have been attributed to the micro-explosive nature of their interaction with organic tissue. In this paper, we report on preliminary results of our study of the thresholds for tissue ablation, using an opto-acoustic technique. Two laser energy thresholds for the interaction are observed. The lower energy threshold is attributed to surface water vaporization, and the higher energy threshold to explosive ablation of thin tissue layers.

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Matjaz Lukac, Marko Marincek, Gorazd Poberaj, Ladislav Grad, Janez Ivan Mozina, Dusan Sustercic, Nenad Funduk, and Uros Skaleric "Interaction thresholds in Er:YAG laser ablation of organic tissue", Proc. SPIE 2623, Medical Applications of Lasers III, (19 January 1996); https://doi.org/10.1117/12.230324

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