Single-beam interference from plain Gaussian and OAM wavefronts

S. Popov; M. Favier

doi:10.1117/12.2213619

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23 March 2016 Single-beam interference from plain Gaussian and OAM wavefronts

S. Popov, M. Favier

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Proceedings Volume 9764, Complex Light and Optical Forces X; 97640P (2016) https://doi.org/10.1117/12.2213619
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We implement an SLM to generate laser beams of variable orbital angular momentum, also referred as Laguerre- Gaussian beams. Input beam polarization takes into account a local birefringence of each pixel of the SLM. We identify the beam polarization eigenstates allowing generate L-G beams of different order via matching variable birefringence of every separate pixels. Zero-order beam passing through the SLM can interact with a generated OAM beam to create an interference pattern. Experimental results demonstrate good agreement with simulations.

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S. Popov and M. Favier "Single-beam interference from plain Gaussian and OAM wavefronts", Proc. SPIE 9764, Complex Light and Optical Forces X, 97640P (23 March 2016); https://doi.org/10.1117/12.2213619

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