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Proceedings Paper

Formation of discrete space-variant subwavelength dielectric gratings for polarimetric measurements
Author(s): Gabriel Biener; Avi Niv; Yuri Gorodetski; Vladimir Kleiner; Erez Hasman
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Paper Abstract

We present a unique method for real-time polarization measurement by use of a discrete space-variant subwavelength grating. The formation of the grating is done by discrete orientation of the local subwavelength grooves. The complete polarization analysis of the incident beam is determined by spatial Fourier transform of the near-field intensity distribution transmitted through the discrete subwavelength dielectric grating followed by a subwavelength metal polarizer. We discuss a theoretical analysis based on Stokes-Muller formalism and experimentally demonstrate our approach with polarization measurements of infrared radiation at a wavelength of 10.6um. Moreover, a new far-field polarimetry approach is presented along with preliminary experimental results.

Paper Details

Date Published: 22 January 2005
PDF: 8 pages
Proc. SPIE 5720, Micromachining Technology for Micro-Optics and Nano-Optics III, (22 January 2005); doi: 10.1117/12.590143
Show Author Affiliations
Gabriel Biener, Technion-Israel Institute of Technology (Israel)
Avi Niv, Technion-Israel Institute of Technology (Israel)
Yuri Gorodetski, Technion-Israel Institute of Technology (Israel)
Vladimir Kleiner, Technion-Israel Institute of Technology (Israel)
Erez Hasman, Technion-Israel Institute of Technology (Israel)

Published in SPIE Proceedings Vol. 5720:
Micromachining Technology for Micro-Optics and Nano-Optics III
Eric G. Johnson; Gregory P. Nordin; Thomas J. Suleski, Editor(s)

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