## Topology Optimization of Sub-Wavelength Antennas

Publication: Research - peer-review › Journal article – Annual report year: 2011

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**Topology Optimization of Sub-Wavelength Antennas.** / Erentok, Aycan; Sigmund, Ole.

Publication: Research - peer-review › Journal article – Annual report year: 2011

### Harvard

*I E E E Transactions on Antennas and Propagation*, vol 59, no. 1, pp. 58-69., 10.1109/TAP.2010.2090451

### APA

*I E E E Transactions on Antennas and Propagation*,

*59*(1), 58-69. 10.1109/TAP.2010.2090451

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### MLA

*I E E E Transactions on Antennas and Propagation*. 2011, 59(1). 58-69. Available: 10.1109/TAP.2010.2090451

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### Author

### Bibtex

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### RIS

TY - JOUR

T1 - Topology Optimization of Sub-Wavelength Antennas

AU - Erentok,Aycan

AU - Sigmund,Ole

PB - I E E E

N1 - This work was supported in part by the Danish Agency for Science, Technology and Innovation through the grant “Topology Optimization of Electromagnetic Metamaterials for Miniaturization of Wireless Communication Antennas (TopAnt)” and in part by an Eurohorcs/ESF European Young Investigator Award (EURYI, www.esf.org/euryi).

PY - 2011

Y1 - 2011

N2 - We propose a topology optimization strategy for the systematic design of a three-dimensional (3D), conductor-based sub-wavelength antenna. The post-processed finite-element (FE) models of the optimized structure are shown to be self-resonant, efficient and exhibit distorted omnidirectional, elliptically polarized far-field radiation patterns. The computed approximate <i>Q</i> value for this antenna is Q<sub>Z</sub>(ω<sub>0</sub>)≈ 7.74 for ω<sub>0</sub>=2π × 350.8 MHz and it is 1.64 times larger than the theoretical lower bound value.

AB - We propose a topology optimization strategy for the systematic design of a three-dimensional (3D), conductor-based sub-wavelength antenna. The post-processed finite-element (FE) models of the optimized structure are shown to be self-resonant, efficient and exhibit distorted omnidirectional, elliptically polarized far-field radiation patterns. The computed approximate <i>Q</i> value for this antenna is Q<sub>Z</sub>(ω<sub>0</sub>)≈ 7.74 for ω<sub>0</sub>=2π × 350.8 MHz and it is 1.64 times larger than the theoretical lower bound value.

KW - Antenna design

KW - Tpology optimization

KW - Q factor

KW - Eectrically small antennas

U2 - 10.1109/TAP.2010.2090451

DO - 10.1109/TAP.2010.2090451

JO - I E E E Transactions on Antennas and Propagation

JF - I E E E Transactions on Antennas and Propagation

SN - 0018-926X

IS - 1

VL - 59

SP - 58

EP - 69

ER -