Mechanism of channel propagation in water by pulsed erbium laser radiation

Martin Forrer; Michael Ith; Martin Frenz; Valerio Romano; Heinz P. Weber; Alexander S. Silenok; Vitali I. Konov

doi:10.1117/12.168053

1 February 1994 Mechanism of channel propagation in water by pulsed erbium laser radiation

Martin Forrer, Michael Ith, Martin Frenz, Valerio Romano, Heinz P. Weber, Alexander S. Silenok, Vitali I. Konov

Proceedings Volume 2077, Laser Interaction with Hard and Soft Tissue; (1994) https://doi.org/10.1117/12.168053
Event: Europto Biomedical Optics '93, 1993, Budapest, Hungary

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.

Citation Download Citation

Martin Forrer, Michael Ith, Martin Frenz, Valerio Romano, Heinz P. Weber, Alexander S. Silenok, and Vitali I. Konov "Mechanism of channel propagation in water by pulsed erbium laser radiation", Proc. SPIE 2077, Laser Interaction with Hard and Soft Tissue, (1 February 1994); https://doi.org/10.1117/12.168053

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