Four-zone reflective polarization conversion plate

A.G. Nalimov, S.S. Stafeev, L. O'Faolain, V.V. Kotlyar

Research output: Chapter in Book/Report/Conference proceedingChapter

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Abstract

Binary diffraction optical element was designed for polarization conversion from linear to radial. A grating period was equal to 400 nm, a relief height was equal to 110 nm. Simulation by FDTD method and Rayleight-Zommerfeld integral shown that there are radial polarized light beam in the far field with smooth angle dependence on the beam circle observation position. It was shown experimentally, that a gaussian laser beam with wavelength of 633 nm reflected from the polarization conversion plate contain a radially polarized light.
Original languageEnglish
Title of host publicationSaratov Fall Meeting 2014
Subtitle of host publicationOptical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics
EditorsElina A. Genina, Vladimir L. Derbov, Kirill V. Larin, Dmitry E. Postnov, Valerie V. Tuchin
PublisherSPIE
Volume9448
ISBN (Print)9781628415643
DOIs
Publication statusPublished - 23 Sept 2014

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume9448
ISSN (Print)1605-7422

Keywords

  • Radial polarization
  • Subwavelength grating
  • Polarization converter

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