Physical phenomena produced by Ho-YAG laser in endourology

Walter Cecchetti; A. Tasca; Filiberto Zattoni

doi:10.1117/12.523997

19 November 2003 Physical phenomena produced by Ho-YAG laser in endourology

Walter Cecchetti, A. Tasca, Filiberto Zattoni

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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.523997
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

The high temperatures generated by the holmium laser pulses during endourological treatments have been reported, the physical phenomena related to this event has never been interpreted. During our clinical experience we had some steel wires sheared by the holmium pulses (fig. 1), after microscopic analysis we considered that only the plasma was able to cause those damages. The aim of this work was to understand the phenomena produced by the holmium laser pulses through measurements of temperature around the fiber tips, we determined the plasma formation thresholds for each fiber types, and also the plasma bubble dimensions.

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Walter Cecchetti, A. Tasca, and Filiberto Zattoni "Physical phenomena produced by Ho-YAG laser in endourology", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.523997

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KEYWORDS

Plasma

Holmium

Tissues

Physical phenomena

Tissue optics

Fiber lasers

Laser damage threshold

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