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Proceedings Paper

A 1kW azimuthally polarized CO2 laser
Author(s): Masamori Endo
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Paper Abstract

An optical resonator for generating high-power, cylindrically polarized beams is demonstrated. The rear mirror of a commercial CO2 laser is replaced by a novel triple-axicon retroreflector unit that is composed of a waxicon and an axicon accurately fitted together. Selection of the polarization is made by the reflectivity difference between p and s polarizations at the inclined surfaces. The resonator is designed for radially polarized oscillation, however, the output beam is azimuthally polarized because the oscillation occurs at unexpected 9.6 μm. A stable 1 kW output is generated, and the measured beam quality is M2=2.0.

Paper Details

Date Published: 17 April 2009
PDF: 8 pages
Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 71311D (17 April 2009); doi: 10.1117/12.816675
Show Author Affiliations
Masamori Endo, Tokai Univ. (Japan)


Published in SPIE Proceedings Vol. 7131:
XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Rui Vilar; Olinda Conde; Marta Fajardo; Luís O. Silva; Margarida Pires; Andrei Utkin, Editor(s)

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