Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons

Optical properties of high-frequency Au gratings with a fixed period (296.6 ± 0.5 nm) and a variable modulation depth are studied using measurements of spectral and angular dependence of transmission and reflection of polarized light in order to build the dispersion curves of excited optical modes a...

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Autores principales: Dan’ko, Viktor, Dmitruk, Mykola, Indutnyi, Ivan, Mamykin, Sergiy, Myn’ko, Victor, Shepeliavyi, Petro, Lukaniuk, Mariia, Lytvyn, Petro
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2017
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5346354/
https://www.ncbi.nlm.nih.gov/pubmed/28314356
http://dx.doi.org/10.1186/s11671-017-1965-4
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author Dan’ko, Viktor
Dmitruk, Mykola
Indutnyi, Ivan
Mamykin, Sergiy
Myn’ko, Victor
Shepeliavyi, Petro
Lukaniuk, Mariia
Lytvyn, Petro
author_facet Dan’ko, Viktor
Dmitruk, Mykola
Indutnyi, Ivan
Mamykin, Sergiy
Myn’ko, Victor
Shepeliavyi, Petro
Lukaniuk, Mariia
Lytvyn, Petro
author_sort Dan’ko, Viktor
collection PubMed
description Optical properties of high-frequency Au gratings with a fixed period (296.6 ± 0.5 nm) and a variable modulation depth are studied using measurements of spectral and angular dependence of transmission and reflection of polarized light in order to build the dispersion curves of excited optical modes and to identify their types. It was shown that in gratings with small modulation depth only propagating surface plasmon-polaritons (SPP) modes were observed. With increasing of modulation depth, the intensity of SPP decreases and localized plasmon (LP) resonance appears, which is more intense at small incident angles, and overlaps with the SPP modes. For grating with isolated grooves (nanowires), mostly LP resonance is observed. After additional deposition of gold onto grating with isolated grooves, the intensity of the SPP mode increases again, and the LP band maximum shifts to longer wavelengths.
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spelling pubmed-53463542017-03-23 Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons Dan’ko, Viktor Dmitruk, Mykola Indutnyi, Ivan Mamykin, Sergiy Myn’ko, Victor Shepeliavyi, Petro Lukaniuk, Mariia Lytvyn, Petro Nanoscale Res Lett Nano Express Optical properties of high-frequency Au gratings with a fixed period (296.6 ± 0.5 nm) and a variable modulation depth are studied using measurements of spectral and angular dependence of transmission and reflection of polarized light in order to build the dispersion curves of excited optical modes and to identify their types. It was shown that in gratings with small modulation depth only propagating surface plasmon-polaritons (SPP) modes were observed. With increasing of modulation depth, the intensity of SPP decreases and localized plasmon (LP) resonance appears, which is more intense at small incident angles, and overlaps with the SPP modes. For grating with isolated grooves (nanowires), mostly LP resonance is observed. After additional deposition of gold onto grating with isolated grooves, the intensity of the SPP mode increases again, and the LP band maximum shifts to longer wavelengths. Springer US 2017-03-11 /pmc/articles/PMC5346354/ /pubmed/28314356 http://dx.doi.org/10.1186/s11671-017-1965-4 Text en © The Author(s). 2017 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Nano Express
Dan’ko, Viktor
Dmitruk, Mykola
Indutnyi, Ivan
Mamykin, Sergiy
Myn’ko, Victor
Shepeliavyi, Petro
Lukaniuk, Mariia
Lytvyn, Petro
Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons
title Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons
title_full Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons
title_fullStr Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons
title_full_unstemmed Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons
title_short Au Gratings Fabricated by Interference Lithography for Experimental Study of Localized and Propagating Surface Plasmons
title_sort au gratings fabricated by interference lithography for experimental study of localized and propagating surface plasmons
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5346354/
https://www.ncbi.nlm.nih.gov/pubmed/28314356
http://dx.doi.org/10.1186/s11671-017-1965-4
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