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Absorption efficiency and physical bounds on antennas

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Author

Summary, in English

The all spectrum absorption efficiency appears in the physical bounds on antennas expressed in the polarizability dyadics. Here, it is shown that this generalized absorption efficiency is close to $1/2$ for small idealized dipole antennas and for antennas with a dominant resonance in their absorption. Also, the usefulness of this parameter is analyzed for estimation of antenna performance. The results are illustrated with numerical data for several antennas.

Publishing year

2010

Language

English

Publication/Series

Technical Report LUTEDX/(TEAT-7200)/1-20/(2010)

Document type

Report

Publisher

[Publisher information missing]

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Report number

TEAT-7200

Research group

  • Electromagnetic theory