Generalized Brewster effect in aluminum-doped ZnO nanopillars

Sharmistha Chatterjee; Evgeniy Shkondin; Osamu Takayama; Andrei V. Lavrinenko; Michael Hinczewski; Giuseppe Strangi

doi:10.1117/12.2554559

1 April 2020 Generalized Brewster effect in aluminum-doped ZnO nanopillars

Sharmistha Chatterjee, Evgeniy Shkondin, Osamu Takayama, Andrei V. Lavrinenko, Michael Hinczewski, Giuseppe Strangi

Proceedings Volume 11345, Nanophotonics VIII; 1134524 (2020) https://doi.org/10.1117/12.2554559
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

Generalized Brewster effect is a phenomenon where light of both TE (S-) and TM (P-) polarization transmit through a surface with no reflection for a particular incident angle. Generalized Brewster angle (GBA) in visible and near-infrared (NIR) wavelength region is very useful in many scientific and technical areas of applications. However, it is very rare to find a material having this effect as it demands both dielectric and magnetic response in that wavelength range and usually magnetic response is extremely weak in the optical wavelengths. Here we demonstrate the GBA effect of an anisotropic material composed of highly ordered high aspect ratio aluminium doped zinc oxide (AZO) nanopillar arrays. Along with the experimental demonstration, we also provide a proper numerical analysis to investigate the origin of this effect in the pillar array system which will be useful for many conventional as well as new applications in photonics including protein sensing.

Conference Presentation

Citation Download Citation

Sharmistha Chatterjee, Evgeniy Shkondin, Osamu Takayama, Andrei V. Lavrinenko, Michael Hinczewski, and Giuseppe Strangi "Generalized Brewster effect in aluminum-doped ZnO nanopillars", Proc. SPIE 11345, Nanophotonics VIII, 1134524 (1 April 2020); https://doi.org/10.1117/12.2554559

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