Characterization of OAM carrying beams by means of holographic correlation filters

Robert Brüning; Chistian Schulze; Daniel Flamm; Andrew Forbes; Michael Duparré

doi:10.1117/12.2078679

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10 March 2015 Characterization of OAM carrying beams by means of holographic correlation filters

Robert Brüning, Chistian Schulze, Daniel Flamm, Andrew Forbes, Michael Duparré

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Proceedings Volume 9379, Complex Light and Optical Forces IX; 93790K (2015) https://doi.org/10.1117/12.2078679
Event: SPIE OPTO, 2015, San Francisco, California, United States

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.

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Robert Brüning, Chistian Schulze, Daniel Flamm, Andrew Forbes, and Michael Duparré "Characterization of OAM carrying beams by means of holographic correlation filters", Proc. SPIE 9379, Complex Light and Optical Forces IX, 93790K (10 March 2015); https://doi.org/10.1117/12.2078679

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KEYWORDS

Electroluminescent displays

Holography

Superposition

Beam shaping

Signal detection

Spatial light modulators

Holograms

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