Investigation of vortex evanescent fields in the near zone of fiber taper and sub-wavelength diffractive axicon

Dmitry A. Savelyev; Sergey A. Degtyarev

doi:10.1117/12.2318740

6 June 2018 Investigation of vortex evanescent fields in the near zone of fiber taper and sub-wavelength diffractive axicon

Dmitry A. Savelyev, Sergey A. Degtyarev

Author Affiliations +

Proceedings Volume 10774, Optical Technologies in Telecommunications 2017; 107740J (2018) https://doi.org/10.1117/12.2318740
Event: XV International Scientific and Technical Conference on Optical Technologies in Telecommunications, 2017, Kazan, Russian Federation

Abstract

The diffraction patterns of vortex damped fields formed in the near zone of an optical fiber tapper and a subwavelength diffraction axicon with a numerical aperture more than 1 were obtained numerically using the finite difference time domain (FDTD) method and the finite element method (FEM).

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Dmitry A. Savelyev and Sergey A. Degtyarev "Investigation of vortex evanescent fields in the near zone of fiber taper and sub-wavelength diffractive axicon", Proc. SPIE 10774, Optical Technologies in Telecommunications 2017, 107740J (6 June 2018); https://doi.org/10.1117/12.2318740

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