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1 April 1994 Transformation of high-power laser beam polarization by resonant excitation of surface electromagnetic waves on metallic diffraction gratings
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Proceedings Volume 2257, Russia National Conference: Industrial Lasers and Laser Material Processing; (1994) https://doi.org/10.1117/12.171654
Event: Industrial Lasers and Laser Material Processing: Russian National Conference, 1993, Shatura, Moscow Region, Russian Federation
Abstract
We report the new method of highly efficient transformation of linear polarized laser beam into another beam, with any required polarization performed by reflection grating. The parameters of this grating were calculated theoretically. The grating converters with a reflectivity of R >= 96% for transformation of linearly polarized CO2 laser beam into a circular polarized beam have been fabricated. The efficiency of these converters included in a 1.5 kW CO2 laser technological system for metal cutting is demonstrated.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
N. N. Golovatyuk, V. M. Manankov, Vladimir N. Okorkov, Vladislav Ya. Panchenko, Boris V. Russkikh, Vladimir N. Seminogov, Victor I. Sokolov, and Vladimir P. Yakunin "Transformation of high-power laser beam polarization by resonant excitation of surface electromagnetic waves on metallic diffraction gratings", Proc. SPIE 2257, Russia National Conference: Industrial Lasers and Laser Material Processing, (1 April 1994); https://doi.org/10.1117/12.171654
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