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Proceedings Paper

Detection of Hermite-Gaussian modes in vortex beams affected by convective turbulence
Author(s): Gustavo Funes; Benjamin Salgado; Eduardo Peters; Jaime Anguita
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Paper Abstract

This research is based in the analysis of the decomposition of Laguerre-Gaussian modes into Hermite-Gaussian modes when propagating through turbulence. This effect can be clearly observed by cancelling the original Laguerre-Gaussian beam with another of different topological charge. The results of the propagations of these beams through Kolmogorov phase masks were analyzed, identifying which turbulences achieved the decomposition. The turbulences were then decomposed into the first 15 Zernike polynomials and used as new "Zernike turbulences". We discovered that the turbulence internal process that allows the decomposition has a high correlation with a phase distortion based on a single Zernike polynomial or a combination of them.

Paper Details

Date Published: 6 September 2019
PDF: 8 pages
Proc. SPIE 11133, Laser Communication and Propagation through the Atmosphere and Oceans VIII, 1113304 (6 September 2019);
Show Author Affiliations
Gustavo Funes, Univ. de los Andes (Chile)
Millennium Institute for Research in Optics (Chile)
Benjamin Salgado, Millennium Institute for Research in Optics (Chile)
Eduardo Peters, Univ. de los Andes (Chile)
Millennium Institute for Research in Optics (Chile)
Jaime Anguita, Univ. de los Andes (Chile)
Millennium Institute for Research in Optics (Chile)


Published in SPIE Proceedings Vol. 11133:
Laser Communication and Propagation through the Atmosphere and Oceans VIII
Jeremy P. Bos; Alexander M. J. van Eijk; Stephen Hammel, Editor(s)

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