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Proceedings Paper

Phase retarders for high-power CO2 lasers
Author(s): Vladimir N. Okorkov; Vladislav Ya. Panchenko; Vladimir N. Seminogov; Vladimir P. Yakunin
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Paper Abstract

The properties of phase retarders for high-power laser irradiation based on metallic diffraction gratings with various profile parameters are investigated both theoretically and experimentally. High energy efficiency of linear-polarized light transformation into the elliptically-polarized specular-reflected wave is achieved at the resonance excitation of surface electromagnetic waves. The nonselective phase retarders on the base of `deep' gratings for various wavelengths and shift values were also designed, and effectivity of their application for metal cutting with high-power CO2-lasers was demonstrated.

Paper Details

Date Published: 7 September 1994
PDF: 9 pages
Proc. SPIE 2207, Laser Materials Processing: Industrial and Microelectronics Applications, (7 September 1994); doi: 10.1117/12.184716
Show Author Affiliations
Vladimir N. Okorkov, NICTL RAN (Russia)
Vladislav Ya. Panchenko, NICTL RAN (Russia)
Vladimir N. Seminogov, NICTL RAN (Russia)
Vladimir P. Yakunin, NICTL RAN (Russia)

Published in SPIE Proceedings Vol. 2207:
Laser Materials Processing: Industrial and Microelectronics Applications
Eckhard Beyer; Maichi Cantello; Aldo V. La Rocca; Lucien Diego Laude; Flemming O. Olsen; Gerd Sepold, Editor(s)

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