Use of nanostructures based on silver nanospike prepared by oblique angle deposition as broadband optical polarizer

Seyedeh Mehri Hamidi; Mojtaba Zamani

doi:10.1117/1.OE.54.10.107104

14 October 2015 Use of nanostructures based on silver nanospike prepared by oblique angle deposition as broadband optical polarizer

Seyedeh Mehri Hamidi, Mojtaba Zamani

Author Affiliations +

Optical Engineering, Vol. 54, Issue 10, 107104 (October 2015). https://doi.org/10.1117/1.OE.54.10.107104

Abstract

Plasmonics have enabled the realization of new optical components in nanostructures such as polarizers. We construct nanostructures by polycarbonate grating comprising silver nanospikes prepared by an oblique angle deposition technique. Surface, wavelength, and polarization properties of these devices have been investigated by atomic force microscopy, fiber-coupled spectrometer, and rotating analyzer, respectively. Our results show that we can reach 31% polarization ratio with the aid of two pieces of metalized gratings placed back to back by index-matching gel. Also, we can reach the broadband optical polarizer in the visible region according to the concentration and direction of nanospike in each of metalized nanogratings, which can open up directions toward cheap and one-dimensional optical polarizers.

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Seyedeh Mehri Hamidi and Mojtaba Zamani "Use of nanostructures based on silver nanospike prepared by oblique angle deposition as broadband optical polarizer," Optical Engineering 54(10), 107104 (14 October 2015). https://doi.org/10.1117/1.OE.54.10.107104

Published: 14 October 2015

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