Phase retarders for high-power CO2 lasers

Vladimir N. Okorkov; Vladislav Ya. Panchenko; Vladimir N. Seminogov; Vladimir P. Yakunin

doi:10.1117/12.184716

7 September 1994 Phase retarders for high-power CO₂ lasers

Vladimir N. Okorkov, Vladislav Ya. Panchenko, Vladimir N. Seminogov, Vladimir P. Yakunin

Proceedings Volume 2207, Laser Materials Processing: Industrial and Microelectronics Applications; (1994) https://doi.org/10.1117/12.184716
Event: Europto High Power Lasers and Laser Applications V, 1994, Vienna, Austria

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.

Citation Download Citation

Vladimir N. Okorkov, Vladislav Ya. Panchenko, Vladimir N. Seminogov, and Vladimir P. Yakunin "Phase retarders for high-power CO₂ lasers", Proc. SPIE 2207, Laser Materials Processing: Industrial and Microelectronics Applications, (7 September 1994); https://doi.org/10.1117/12.184716

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