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Proceedings Paper

Mechanism of channel propagation in water by pulsed erbium laser radiation
Author(s): Martin Forrer; Michael Ith; Martin Frenz; Valerio Romano; Heinz P. Weber; Alexander S. Silenok; Vitali I. Konov
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Paper Abstract

The channel propagation in liquid water caused by Er3+:YAG laser radiation at a wavelength of 2.94 micrometers is investigated experimentally and compared to a theoretical model. The propagation velocity of the phase front is measured with the beam delivered to the open water surface as well as with a fiber submersed in the water. For laser intensities up to 4 MW/cm2 the results agree with model calculation. We suggest that the hydrodynamic behavior of water is a key feature for the propagation mechanism.

Paper Details

Date Published: 1 February 1994
PDF: 6 pages
Proc. SPIE 2077, Laser Interaction with Hard and Soft Tissue, (1 February 1994); doi: 10.1117/12.168053
Show Author Affiliations
Martin Forrer, Univ. Bern (Switzerland)
Michael Ith, Univ. Bern (Switzerland)
Martin Frenz, Univ. Bern (Switzerland)
Valerio Romano, Univ. Bern (Switzerland)
Heinz P. Weber, Univ. Bern (Switzerland)
Alexander S. Silenok, General Physics Institute (Russia)
Vitali I. Konov, General Physics Institute (Russia)

Published in SPIE Proceedings Vol. 2077:
Laser Interaction with Hard and Soft Tissue
Martin J. C. van Gemert; Rudolf W. Steiner; Lars Othar Svaasand; Hansjoerg Albrecht, Editor(s)

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