Abstract

To generate a radially polarized laser beam we designed and fabricated a new Brewster optical element that consists of convex and concave conical prisms. The lateral surface of the convex conical prism was coated with a dielectric multilayer (SiO2 and Ta2O5) to enhance polarization selectivity. By combining two prisms we obtained a conical Brewster prism without beam divergence owing to refraction. A radially polarized TEM01*(R?TEM01*) mode laser beam was demonstrated when this prism was used inside a Nd:YAG laser cavity.

© 2005 Optical Society of America

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