NDLI: Multilayer metamaterial absorbers inspired by perfectly matched layers

Content Provider	Springer Nature Link
Author	Pastuszczak, Anna Stolarek, Marcin Antosiewicz, Tomasz J. Kotyński, Rafał
Copyright Year	2014
Abstract	We derive periodic multilayer absorbers with effective uniaxial properties similar to perfectly matched layers (PML). This approximate representation of PML is based on the effective medium theory and we call it an effective medium PML. We compare the spatial reflection spectrum of the layered absorbers to that of a PML material and demonstrate that after neglecting gain and magnetic properties, the absorber remains functional. This opens a route to create electromagnetic absorbers for real and not only numerical applications and as an example we introduce a layered absorber for the wavelength of 8 $$μ \hbox {m}$$ made of $$\hbox {SiO}_2$$ and NaCl. We also show that similar cylindrical core-shell nanostructures derived from flat multilayers also exhibit very good absorptive and reflective properties despite the different geometry.
Starting Page	89
Ending Page	97
Page Count	9
File Format	PDF
ISSN	03068919
Journal	Optical and Quantum Electronics
Volume Number	47
Issue Number	1
e-ISSN	1572817X
Language	English
Publisher	Springer US
Publisher Date	2014-07-15
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electromagnetic absorber Metamaterial Electromagnetic modeling Perfectly matched layer UPML Optics, Optoelectronics, Plasmonics and Optical Devices Electrical Engineering Characterization and Evaluation of Materials Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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