Spatial Fourier-Transform Polarimetry by Use of Space-Variant Subwavelength Gratings

Erez Hasman, Gabriel Biener, Vladimir Kleiner, Avi Niv

Research output: Contribution to specialist publicationArticle

5 Scopus citations

Abstract

A discrete space-variant subwave-length dielectric grating (DSG) was used to develop a method for real-time polarization measurement. DSG are condidered wave plates with constant retardation and space-variant fast axes. This grating was formed by discrete orientation of the local subwavelength grooves. The complete polarization analysis of the incident beam was determined by spatial Fourier transform of the near-field intensity distribution transmitted through DSG followed by a subwave-length metal polarizer. A method for the formation of a complete depolarizer based on a polarization-state scrambling procedure over the space domain was also demonstrated.

Original languageEnglish
Pages34
Number of pages1
Volume14
No12
Specialist publicationOptics and Photonics News
DOIs
StatePublished - 1 Jan 2003
Externally publishedYes

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