The effect of scattering on the transmission of subwavelength Si nanorod arrays is investigated. It is found that the distance between the nanorods has important effect on the transmission because the scattered light ...The effect of scattering on the transmission of subwavelength Si nanorod arrays is investigated. It is found that the distance between the nanorods has important effect on the transmission because the scattered light varies largely with it. When the nanorods are close to each other, the back-scattered light and the light reflected by the surface of substrates interfere destructively and lead to a high transmission. When the distance of the nanorods increases, the intensity of the scattered light decrease and this makes the transmission decrease. The reflection and the transmission of the nanorod arrays can be adjusted by changing the distance between the neighbouring nanorods.展开更多
The effects of the diameter of SiO2 nanopillars,the diameter of Ag nanospheres,the arrays’period,and the medium environment on the plasmonic lattice resonance(PLR)formed by Ag nanospheres on SiO2 nanopillar arrays ar...The effects of the diameter of SiO2 nanopillars,the diameter of Ag nanospheres,the arrays’period,and the medium environment on the plasmonic lattice resonance(PLR)formed by Ag nanospheres on SiO2 nanopillar arrays are systematically investigated.Larger diameters of SiO2 nanopillars with other parameters kept constant will widen the PLR peak,redshift the PLR wavelength,and weaken the PLR intensity.Larger diameters of Ag nanospheres with other parameters kept constant will widen the PLR peak,redshift the PLR wavelength,and strengthen the PLR intensity.Larger array periods or larger refractive index of medium environment corresponds to larger PLR wavelengths.展开更多
文摘The effect of scattering on the transmission of subwavelength Si nanorod arrays is investigated. It is found that the distance between the nanorods has important effect on the transmission because the scattered light varies largely with it. When the nanorods are close to each other, the back-scattered light and the light reflected by the surface of substrates interfere destructively and lead to a high transmission. When the distance of the nanorods increases, the intensity of the scattered light decrease and this makes the transmission decrease. The reflection and the transmission of the nanorod arrays can be adjusted by changing the distance between the neighbouring nanorods.
基金supported by the Primary Research&Development Plan of Jiangsu Province(No.BE2016175)the Chinese Postdoctoral Science Foundation(No.2017M621581)。
文摘The effects of the diameter of SiO2 nanopillars,the diameter of Ag nanospheres,the arrays’period,and the medium environment on the plasmonic lattice resonance(PLR)formed by Ag nanospheres on SiO2 nanopillar arrays are systematically investigated.Larger diameters of SiO2 nanopillars with other parameters kept constant will widen the PLR peak,redshift the PLR wavelength,and weaken the PLR intensity.Larger diameters of Ag nanospheres with other parameters kept constant will widen the PLR peak,redshift the PLR wavelength,and strengthen the PLR intensity.Larger array periods or larger refractive index of medium environment corresponds to larger PLR wavelengths.
