Journal of the European Optical Society - Rapid publications, Vol 3 (2008)

Polarization conversion by dielectric subwavelength gratings in conical mounting

N. Passilly, P. Karvinen, K. Ventola, P. Laakkonen, J. Turunen, J. Tervo


Subwavelength dielectric gratings are examined in total-internal-reflection configuration. It is demonstrated experimentally that such elements, fabricated in TiO2, can perform full polarization conversion from incident TE to TM with nearly 100% efficiency. The dependence of the polarization conversion on the angle of incidence is analyzed. Rigorous diffraction theory is used to cross check the experimental results.

© The Authors. All rights reserved. [DOI: 10.2971/jeos.2008.08009]

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