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Journal Articles Scientific Reports Year : 2016

Electromagnetic field tapering using all-dielectric gradient index materials

Jianjia Yi
  • Function : Author
Gérard-Pascal Piau
  • Function : Author
André de Lustrac
  • Function : Author

Abstract

Abstract The concept of transformation optics (TO) is applied to control the flow of electromagnetic fields between two sections of different dimensions through a tapering device. The broadband performance of the field taper is numerically and experimentally validated. The taper device presents a graded permittivity profile and is fabricated through three-dimensional (3D) polyjet printing technology using low-cost all-dielectric materials. Calculated and measured near-field mappings are presented in order to validate the proposed taper. A good qualitative agreement is obtained between full-wave simulations and experimental tests. Such all-dielectric taper paves the way to novel types of microwave devices that can be easily fabricated through low-cost additive manufacturing processes.

Dates and versions

hal-04215701 , version 1 (22-09-2023)

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Jianjia Yi, Gérard-Pascal Piau, André de Lustrac, Shah Nawaz Burokur. Electromagnetic field tapering using all-dielectric gradient index materials. Scientific Reports, 2016, 6 (1), pp.30661. ⟨10.1038/srep30661⟩. ⟨hal-04215701⟩
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