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Conference Paper
Frontiers in Optics
Rochester, New York United States
October 14-18, 2012
ISBN: 978-1-55752-956-5
Poster Session I (FTu3A)

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

Matthew E. Anderson, Heath Bigman, Luis E. de Araujo, and Jan L. Chaloupka  »View Author Affiliations


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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 OSA

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.4865) Diffraction and gratings : Optical vortices

M. E. Anderson, H. Bigman, L. E. de Araujo, and J. L. Chaloupka, "Measuring the topological charge of ultra-broadband, optical-vortex beams with a triangular aperture," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FTu3A.19.

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