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Transformation Electromagnetics Design of All-Dielectric Antennas

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Transformation Electromagnetics and Metamaterials

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Abstract

The discrete coordinate transformation is a practical implementation of transformation electromagnetics. It solves the transformation between coordinate systems in a discretized form. This method significantly relaxes the strict requirement for transformation media, and consequently leads to easily-realizable applications in antenna engineering. In this chapter, the discrete coordinate transformation is demonstrated and analyzed from the theory and is proved to provide an all-dielectric approach of device design under certain conditions. As examples, several antennas are presented, including a flat reflector, a flat lens, and a zone plate Fresnel lens. The Finite-Difference Time-Domain (FDTD) method is employed for numerical demonstration. Realization methods are also discussed, and a prototype of the carpet cloak composed of only a few dielectric blocks is fabricated and measured.

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Authors and Affiliations

  1. School of Electronic Engineering and Computer Science, Queen Mary, University of London, London, E1 4NS, United Kingdom

    Wenxuan Tang & Yang Hao

  2. State Key Laboratory of Millimeter Waves, Southeast University, Nanjing, 210096, People’s Republic of China

    Wenxuan Tang

Authors
  1. Wenxuan Tang
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  2. Yang Hao
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Corresponding author

Correspondence to Yang Hao .

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Editors and Affiliations

  1. The Pennsylvania State University, Electrical Engineering East 211A, University Park, 16802, USA

    Douglas H. Werner

  2. University of Massachusetts Amherst, Natural Resources Road Marcus 201 100, Amherst, 01003, USA

    Do-Hoon Kwon

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Tang, W., Hao, Y. (2014). Transformation Electromagnetics Design of All-Dielectric Antennas. In: Werner, D., Kwon, DH. (eds) Transformation Electromagnetics and Metamaterials. Springer, London. https://doi.org/10.1007/978-1-4471-4996-5_7

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  • DOI: https://doi.org/10.1007/978-1-4471-4996-5_7

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  • Publisher Name: Springer, London

  • Print ISBN: 978-1-4471-4995-8

  • Online ISBN: 978-1-4471-4996-5

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