Long-distance structured laser beams created by optical aberrations

Miroslav Sulc; Jean-Christophe Gayde; Krystof Polak

doi:10.1117/12.3002241

12 March 2024 Long-distance structured laser beams created by optical aberrations

Miroslav Sulc, Jean-Christophe Gayde, Krystof Polak

Proceedings Volume 12901, Complex Light and Optical Forces XVIII; 129010G (2024) https://doi.org/10.1117/12.3002241
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

A novel approach to creating long-range Structured Laser Beams (SLB) using optical aberrations is described. By combining optical elements that produce significant spherical and defocus aberrations, it is possible to generate an interference field with both transverse and longitudinal local polarization. This creates an SLB that can propagate as a wave to infinity with an invariant transverse profile, different from Bessel Beams (BB). The size and divergence of the central part of the SLB can be much smaller than those observed in Gaussian beams. Experimental confirmation showed a divergence of 0.01 mrad for the central part of the SLB, from a diameter of less than 10 μm. This method makes it possible to form a hollow beam, where non-perpendicular electric and magnetic fields exist in the central part of the beam. An overview of the properties of these SLBs is presented.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Miroslav Sulc, Jean-Christophe Gayde, and Krystof Polak "Long-distance structured laser beams created by optical aberrations", Proc. SPIE 12901, Complex Light and Optical Forces XVIII, 129010G (12 March 2024); https://doi.org/10.1117/12.3002241

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