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Proceedings Paper

Characterization of OAM carrying beams by means of holographic correlation filters
Author(s): Robert Brüning; Chistian Schulze; Daniel Flamm; Andrew Forbes; Michael Duparré
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Paper Abstract

For the control and further improvement of applications concerning the orbital angular momentum (OAM) of light the detailed knowledge about the properties of the used OAM beam is required. We present a detailed analysis method for vortex beams carrying OAM, which is based on an all optical holographic correlation filter technique. For this purpose, the beam is decomposed into a complete and orthogonal set of vortex modes, which enables the real-time determination of the underlying OAM state spectrum, of total OAM , OAM density distribution and position of occurring phase singularities.

Paper Details

Date Published: 10 March 2015
PDF: 8 pages
Proc. SPIE 9379, Complex Light and Optical Forces IX, 93790K (10 March 2015); doi: 10.1117/12.2078679
Show Author Affiliations
Robert Brüning, Friedrich-Schiller-Univ. Jena (Germany)
Chistian Schulze, Friedrich-Schiller-Univ. Jena (Germany)
Daniel Flamm, Friedrich-Schiller-Univ. Jena (Germany)
Andrew Forbes, CSIR National Laser Ctr. (South Africa)
Univ. of Witwatersrand (South Africa)
Michael Duparré, Friedrich-Schiller-Univ. Jena (Germany)

Published in SPIE Proceedings Vol. 9379:
Complex Light and Optical Forces IX
Enrique J. Galvez; Jesper Glückstad; David L. Andrews, Editor(s)

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