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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.
|Number of pages||3|
|Publication status||Published - 2015|
|Event||9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials - Oxford, United Kingdom|
Duration: 2015 Sept 10 → …
|Conference||9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials|
|Period||2015/09/10 → …|
Subject classification (UKÄ)
- Electrical Engineering, Electronic Engineering, Information Engineering
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