Analysis, design and realization of a near-field focused RF power transfer system

R. van der Linden; H. J. Visser

doi:10.1088/1742-6596/476/1/012118

Analysis, design and realization of a near-field focused RF power transfer system

R. van der Linden, H. J. Visser

Research output: Contribution to journal › Conference article › peer-review

12 Citations (Scopus)

87 Downloads (Pure)

Abstract

This paper reports the analysis, design, prototyping and first measurement results of a linear array antenna consisting of Yagi-Uda elements, rotated and phased for focusing RF power in the near-field of the antenna. By employing Near Field Focusing more power may be transmitted before the EIRP limit is reached due to the inherent far-field difusing. A design based on four Yagi-Uda array elements is able to produce an average power density of 21.04dBm/m² at 2.45GHz in a box of 10×10×10cm³ located 1m from the linear array face. The design has been verified through comparison with full-wave electromagnetic simulations. First measurements on a realized prototype confirm the functioning of the array.

Original language	English
Article number	012118
Number of pages	5
Journal	Journal of Physics: Conference Series
Volume	476
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/476/1/012118
Publication status	Published - 1 Jan 2013
Event	13th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications, PowerMEMS 2013 - London, United Kingdom Duration: 3 Dec 2013 → 6 Dec 2013

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10.1088/1742-6596/476/1/012118Licence: CC BY

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title = "Analysis, design and realization of a near-field focused RF power transfer system",

abstract = "This paper reports the analysis, design, prototyping and first measurement results of a linear array antenna consisting of Yagi-Uda elements, rotated and phased for focusing RF power in the near-field of the antenna. By employing Near Field Focusing more power may be transmitted before the EIRP limit is reached due to the inherent far-field difusing. A design based on four Yagi-Uda array elements is able to produce an average power density of 21.04dBm/m2 at 2.45GHz in a box of 10×10×10cm3 located 1m from the linear array face. The design has been verified through comparison with full-wave electromagnetic simulations. First measurements on a realized prototype confirm the functioning of the array.",

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AU - Visser, H. J.

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N2 - This paper reports the analysis, design, prototyping and first measurement results of a linear array antenna consisting of Yagi-Uda elements, rotated and phased for focusing RF power in the near-field of the antenna. By employing Near Field Focusing more power may be transmitted before the EIRP limit is reached due to the inherent far-field difusing. A design based on four Yagi-Uda array elements is able to produce an average power density of 21.04dBm/m2 at 2.45GHz in a box of 10×10×10cm3 located 1m from the linear array face. The design has been verified through comparison with full-wave electromagnetic simulations. First measurements on a realized prototype confirm the functioning of the array.

AB - This paper reports the analysis, design, prototyping and first measurement results of a linear array antenna consisting of Yagi-Uda elements, rotated and phased for focusing RF power in the near-field of the antenna. By employing Near Field Focusing more power may be transmitted before the EIRP limit is reached due to the inherent far-field difusing. A design based on four Yagi-Uda array elements is able to produce an average power density of 21.04dBm/m2 at 2.45GHz in a box of 10×10×10cm3 located 1m from the linear array face. The design has been verified through comparison with full-wave electromagnetic simulations. First measurements on a realized prototype confirm the functioning of the array.

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Analysis, design and realization of a near-field focused RF power transfer system

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