An analysis of the spatial spectrum of Hermite-Gauss beams with embedded optical vortex
Ustinov A.V.

 

Image Processing Systems Institute оf RAS – Branch of the FSRC “Crystallography and Photonics” RAS, Samara, Russia

Full text of article: Russian language.

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Abstract:
This work deals with a detailed theoretical study of Hermite-Gauss beams with embedded vortical phase passing through a lens. Special attention is given to the location of vortical phase singularities in the focal plane. Sufficient conditions for the intensity null in the focal plane centre are found. The theoretical analysis is confirmed by numerical calculations.

Keywords:
Hermite-Gauss beam; phase singularity; trigonometric transforms.

Citation:
Ustinov AV. An analysis of the spatial spectrum of Hermite-Gauss beams with embedded optical vortex. Computer Optics 2017; 41(5): 617-625. DOI: 10.18287/2412-6179-2017-41-5-617-625.

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