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Radially polarized 3 kW beam from a CO 2 laser with an intracavity resonant grating mirror

Marwan Abdou Ahmed, Joachim Schulz, Andreas Voss, Olivier Parriaux, Jean-Claude Pommier, and Thomas Graf

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Abstract

A 3kW radially polarized beam is generated from a CO2 laser by means of a resonant grating mirror. The design results and spectral characterization of a broadband polarizing mirror are presented as well as the mirror's operation in a CO2 laser resonator. In a long-term experiment a radially polarized beam with a power of 2.7kW was observed for several hours, proving the high stability of this polarizing scheme.

© 2007 Optical Society of America

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