Formation of spiral intensity by binary vortical axicon
S. A. Degtyarev, S. N. Khonina, V.V. Podlipnov

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Full text of article: Russian language.

DOI: 10.18287/0134-2452-2014-38-2-237-242

Pages: 237-242.

Abstract:
We fabricated a spiral field-intensity distribution in a near-field when a laser beam was focused by a binary phase spiral axicon. It is shown by means of 3D-simlation in Comsol and life experiments with the near-field microscope NT-MDT Integra Spectra. Derived experimental measurements have been verified by the numerical simulations.

Key words:
focusing, photon spiral, binary phase spiral axicon, finite element method, Comsol software, near-field microscope NT-MDT Integra Spectra.

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