Formation of discrete space-variant subwavelength dielectric gratings for polarimetric measurements

Gabriel Biener; Avi Niv; Yuri Gorodetski; Vladimir Kleiner; Erez Hasman

doi:10.1117/12.590143

22 January 2005 Formation of discrete space-variant subwavelength dielectric gratings for polarimetric measurements

Gabriel Biener, Avi Niv, Yuri Gorodetski, Vladimir Kleiner, Erez Hasman

Proceedings Volume 5720, Micromachining Technology for Micro-Optics and Nano-Optics III; (2005) https://doi.org/10.1117/12.590143
Event: MOEMS-MEMS Micro and Nanofabrication, 2005, San Jose, California, United States

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.

Citation Download Citation

Gabriel Biener, Avi Niv, Yuri Gorodetski, Vladimir Kleiner, and Erez Hasman "Formation of discrete space-variant subwavelength dielectric gratings for polarimetric measurements", Proc. SPIE 5720, Micromachining Technology for Micro-Optics and Nano-Optics III, (22 January 2005); https://doi.org/10.1117/12.590143

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