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Formation of Vectorial Vortices by use of Discretely Oriented Space-Variant Subwavelength Gratings

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Abstract

Propagation-invariant and rotating vectorial vortices are presented. Demonstration is obtained by using discretely oriented space-variant subwavelength gratings. Propagation-invariant, controlled rotation of propeller-like intensity patterns as well as braided intensity structures are also demonstrated.

© 2005 Optical Society of America

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