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Conferences > FiO > 2012 > FTu3A > FTu3A.19

Measuring the topological charge of ultra-broadband, optical-vortex beams with a triangular aperture

M. E. Anderson, H. Bigman, L. E. E. de Araujo, and J. L. Chaloupka

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Abstract

A technique for determining the topological charge of supercontinuum optical vortices is presented. Spatial dispersion is compensated with a unique double-pass arrangement, and charge is consistently measured across a wide range of colors by observing diffraction through a triangular aperture.

© 2012 Optical Society of America

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