Investigation of the deposition from a plasma torch formed by the action of laser radiation on metals

V. V. Shkurko; P. M. Yaroshchyk

doi:10.1117/12.501545

1 April 2003 Investigation of the deposition from a plasma torch formed by the action of laser radiation on metals

V. V. Shkurko, P. M. Yaroshchyk

Proceedings Volume 5064, Lightmetry 2002: Metrology and Testing Techniques Using Light; (2003) https://doi.org/10.1117/12.501545
Event: Lightmetry 2002, 2002, Warsaw, Poland

Abstract

The optical properties of deposition zones formed by an erosion plamsa torch diverging in a vacuum, arising as a result of the action of a high-intensity, unpolarized laser radiation on a copper target are investigated. A very interesting effect has been revealed. On the substrate, approximately at the center of the deposition zone, coaxially to the laser beam, a ring with clearly defined boundaries was detected. The density of the deposited material in this ring was much smaller than in other places. An analysis of the state of the substrate in the ring has shown that this region is formed as a result of the effect of ionic clearing of the surface.

Citation Download Citation

V. V. Shkurko and P. M. Yaroshchyk "Investigation of the deposition from a plasma torch formed by the action of laser radiation on metals", Proc. SPIE 5064, Lightmetry 2002: Metrology and Testing Techniques Using Light, (1 April 2003); https://doi.org/10.1117/12.501545

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