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Physical bounds on metamaterials

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Author

Summary, in English

Passivity is used to derive physical bounds on metamaterial devices. The bounds are determined from sum rules or optimization problems involving the stored energy. They typically relate some product between the performance and the bandwidth. The sum rules are computed from the low and/or high frequency response of the system. The corresponding stored energy is determined from a state space representation of the passive system. An overview of physical bounds for metamaterial applications such as scattering, antennas, absorbers, high impedance surfaces, and extra ordinary transmission is presented.

Publishing year

2015

Language

English

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials

Conference date

2015-09-10

Conference place

Oxford, United Kingdom

Status

Published

Project

  • EIT_CACO-EMD Complex analysis and convex optimization for EM design

Research group

  • Electromagnetic theory