Measuring Vortex Charge With a Triangular Aperture

Luis de Araujo; Matthew E. Anderson

doi:10.1364/CLEO_AT.2011.JThB60

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper JThB60
•https://doi.org/10.1364/CLEO_AT.2011.JThB60

Measuring Vortex Charge With a Triangular Aperture

Luis de Araujo and Matthew E. Anderson

CLEO: Applications and Technology 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

From the session
Nonlinear and Quantum Science and Measurements Joint Poster Session (JThB)

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L. de Araujo and M. E. Anderson, "Measuring Vortex Charge With a Triangular Aperture," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper JThB60.

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Abstract

We measure the charge of vortex beams (up to ±7) via diffraction in a triangular aperture. We also apply this technique for measuring femtosecond vortices and non-integer vortices. The results compare favorably with numerical modeling.

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