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Proceedings Paper

Laser beam propagation in opaque liquids
Author(s): Sergei I. Dolgaev; A. V. Simakin; George A. Shafeev
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Paper Abstract

We experimentally studied the transmission of the Er3+:YAG laser radiation (λ = 2.94 µm) by strongly absorbing liquids in the mode of free running. The radiation was shown to pass through liquids due to the development of a channel, produced by the laser pulse itself. The transmittances of water, ethanol, and glycerin were studied depending on the laser pulse energy and liquid layer thickness. It was also shown that in the case of oblique incidence of the laser beam, the channel propagates in liquid, slightly deflecting from the beam axis, which is caused by nearly equal refractive indices of air and vapor in the channel. It was found that the beam-liquid interaction is accompanied by a liquid jet directed outwards from its free surface.

Paper Details

Date Published: 2 September 2003
PDF: 8 pages
Proc. SPIE 5121, Laser Processing of Advanced Materials and Laser Microtechnologies, (2 September 2003); doi: 10.1117/12.513812
Show Author Affiliations
Sergei I. Dolgaev, General Physics Institute (Russia)
A. V. Simakin, General Physics Institute (Russia)
George A. Shafeev, General Physics Institute (Russia)


Published in SPIE Proceedings Vol. 5121:
Laser Processing of Advanced Materials and Laser Microtechnologies
Friedrich H. Dausinger; Vitali I. Konov; Vladimir Yu. Baranov; Vladislav Ya. Panchenko, Editor(s)

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