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12 December 2022 Stability of the four vortices arrangement in the context of laser beam positioning
Jan Masajada, Agnieszka Popiołek-Masajada, Ewa Frączek, Wojciech Frączek
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Proceedings Volume 12502, 22nd Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 125020Y (2022) https://doi.org/10.1117/12.2658753
Event: 22nd Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2022, Wojanow, Poland
Abstract
Remote positioning by precise measurements of lateral displacements of laser beams at large distances is inevitably disturbed by the influence of atmospheric turbulences. We test numerically the use of various arrangements of four single optical vortices for this purpose. Our previous work shows that using the single or higher order vortex beam (topological charge 4) gives better results than vortex free laser beam. We consider arrangement of four separated vortices with different topological sign and show that some configuration leads to comparable results, but there are small differences which are discussed in this paper.
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Jan Masajada, Agnieszka Popiołek-Masajada, Ewa Frączek, and Wojciech Frączek "Stability of the four vortices arrangement in the context of laser beam positioning", Proc. SPIE 12502, 22nd Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 125020Y (12 December 2022); https://doi.org/10.1117/12.2658753
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KEYWORDS
Atmospheric propagation
Turbulence
Optical vortices
Spiral phase plates
Wave propagation
Laser beam propagation
Atmospheric turbulence
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