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Proceedings Paper

Effect of scanned quasi-cw CO2 laser irradiation on tissue thermal damage
Author(s): Yacov Domankevitz; Dominic Bua; Jina Chung; Edward Hanel; Geoffrey Silver; Norman S. Nishioka
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Paper Abstract

Residual thermal damage produced by a scanned quasi cw CO2 laser was measured in pig skin. The effects of scan speed on thermal damage distribution for laser dwell times ranging between 1 and 150 msec were examined. Significantly larger thermal damage zones were produced along the crater wall for laser dwell times longer than 50 msec. Thermal damage along the crater base was constant independent of dwell time. The preliminary experimental results suggest that quasi cw CO2 can consistently produce less than 200 micrometers zones of thermal damage if laser parameters are carefully chosen.

Paper Details

Date Published: 17 August 1994
PDF: 3 pages
Proc. SPIE 2134, Laser-Tissue Interaction V; and Ultraviolet Radiation Hazards, (17 August 1994); doi: 10.1117/12.182944
Show Author Affiliations
Yacov Domankevitz, Wellman Labs. of Photomedicine, Massachusetts General Hospital (United States)
Dominic Bua, Wellman Labs. of Photomedicine, Massachusetts General Hospital (United States)
Jina Chung, Wellman Labs. of Photomedicine, Massachusetts General Hospital (United States)
Edward Hanel, Wellman Labs. of Photomedicine, Massachusetts General Hospital (United States)
Geoffrey Silver, Wellman Labs. of Photomedicine, Massachusetts General Hospital (United States)
Norman S. Nishioka, Wellman Labs. of Photomedicine, Massachusetts General Hospital (United States)


Published in SPIE Proceedings Vol. 2134:
Laser-Tissue Interaction V; and Ultraviolet Radiation Hazards
Steven L. Jacques; David H. Sliney; Michael Belkin, Editor(s)

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