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Please use this identifier to cite or link to this item: http://142.54.178.187:9060/xmlui/handle/123456789/2057
Title: Multiple Bloch surface waves in visible region of light at the interfaces between rugate filter/rugate filter and rugate filter/dielectric slab/rugate filter
Authors: Manzoor, Habib Ullah
Manzoor, Tareq
Hussain, Masroor
Manzoor, Sanaullah
Nazar, Kashif
Keywords: Natural Science
surface waves
visible region
light
rugate filter/rugate filter
dielectric slab
Issue Date: 14-Mar-2018
Publisher: Journal of Optics
Abstract: Surface electromagnetic waves are the solution of Maxwell's frequency domain equations at the interface of two dissimilar materials. In this article, two canonical boundary-value problems have been formulated to analyze the multiplicity of electromagnetic surface waves at the interface between two dissimilar materials in the visible region of light. In the first problem, the interface between two semi-infinite rugate filters having symmetric refractive index profiles is considered and in the second problem, to enhance the multiplicity of surface electromagnetic waves, a homogeneous dielectric slab of 400 nm is included between two semi-infinite symmetric rugate filters. Numerical results show that multiple Bloch surface waves of different phase speeds, different polarization states, different degrees of localization and different field profiles are propagated at the interface between two semi-infinite rugate filters. Having two interfaces when a homogeneous dielectric layer is placed between two semi-infinite rugate filters has increased the multiplicity of electromagnetic surface waves.
URI: http://142.54.178.187:9060/xmlui/handle/123456789/2057
ISSN: 20 045002
Appears in Collections:Journals

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