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Enhancement of evanescent field of metamaterials-core slab waveguide using metamaterials-buffer layer

Title
Enhancement of evanescent field of metamaterials-core slab waveguide using metamaterials-buffer layer
Authors
Lee, CH[Lee, Cherl-Hee]Lee, J[Lee, Jonghun]
DGIST Authors
Lee, CH[Lee, Cherl-Hee]; Lee, J[Lee, Jonghun]
Issue Date
2012-08
Citation
Optical Engineering, 51(8)
Type
Article
Article Type
Article
Keywords
Air LayersBuffer LayerBuffer LayersDispersion EquationsEnhancementEvanescentEvanescent FieldsGuided ModesImage EnhancementMetamaterialsRefractive IndexSlabSlab WaveguidesSubstrate LayersWaveguides
ISSN
0091-3286
Abstract
A metamaterials (MTM)-core slab waveguide overlaid with a MTM buffer layer was used to enhance an evanescent field. The guided modes were graphically obtained by a new dispersion equation of the fourlayered MTM-core slab waveguide modeled to have four layers, including an air layer, buffer layer, slab waveguide layer, and substrate layer. With the tuning of the refractive index and width of the MTM-buffer layer, abuffer layer with one-tenth of the core-layer width was obtained together with the refractive index of 1.7, making the evanescent field increase up to 1.8 times. © 2012 Society of Photo-Optical Instrumentation Engineers (SPIE).
URI
http://hdl.handle.net/20.500.11750/3345
DOI
10.1117/1.OE.51.8.084601
Publisher
SPIE
Related Researcher
Files:
There are no files associated with this item.
Collection:
Convergence Research Center for Future Automotive Technology1. Journal Articles
Division of IoT∙Robotics Convergence Research1. Journal Articles


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