All-dielectric three-dimensional broadband Eaton lens with large refractive index range

Ming Yin; Xiao Yong Tian; Ling Ling Wu; Di Chen Li

doi:10.1063/1.4867704

All-dielectric three-dimensional broadband Eaton lens with large refractive index range

Ming Yin
, Xiao Yong Tian
, Ling Ling Wu
, Di Chen Li

School of Mechanical Engineering

Xi'an Jiaotong University

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

We proposed a method to realize three-dimensional (3D) gradient index (GRIN) devices requiring large refractive index (RI) range with broadband performance. By combining non-resonant GRIN woodpile photonic crystals structure in the metamaterial regime with a compound liquid medium, a wide RI range (1-6.32) was fulfilled flexibly. As a proof-of-principle for the low-loss and non-dispersive method, a 3D Eaton lens was designed and fabricated based on 3D printing process. Full-wave simulation and experiment validated its omnidirectional wave bending effects in a broad bandwidth covering Ku band (12 GHz-18 GHz).

Original language	English
Article number	094101
Journal	Applied Physics Letters
Volume	104
Issue number	9
DOIs	https://doi.org/10.1063/1.4867704
State	Published - 3 Mar 2014

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title = "All-dielectric three-dimensional broadband Eaton lens with large refractive index range",

abstract = "We proposed a method to realize three-dimensional (3D) gradient index (GRIN) devices requiring large refractive index (RI) range with broadband performance. By combining non-resonant GRIN woodpile photonic crystals structure in the metamaterial regime with a compound liquid medium, a wide RI range (1-6.32) was fulfilled flexibly. As a proof-of-principle for the low-loss and non-dispersive method, a 3D Eaton lens was designed and fabricated based on 3D printing process. Full-wave simulation and experiment validated its omnidirectional wave bending effects in a broad bandwidth covering Ku band (12 GHz-18 GHz).",

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AU - Yin, Ming

AU - Yong Tian, Xiao

AU - Ling Wu, Ling

AU - Chen Li, Di

PY - 2014/3/3

Y1 - 2014/3/3

N2 - We proposed a method to realize three-dimensional (3D) gradient index (GRIN) devices requiring large refractive index (RI) range with broadband performance. By combining non-resonant GRIN woodpile photonic crystals structure in the metamaterial regime with a compound liquid medium, a wide RI range (1-6.32) was fulfilled flexibly. As a proof-of-principle for the low-loss and non-dispersive method, a 3D Eaton lens was designed and fabricated based on 3D printing process. Full-wave simulation and experiment validated its omnidirectional wave bending effects in a broad bandwidth covering Ku band (12 GHz-18 GHz).

AB - We proposed a method to realize three-dimensional (3D) gradient index (GRIN) devices requiring large refractive index (RI) range with broadband performance. By combining non-resonant GRIN woodpile photonic crystals structure in the metamaterial regime with a compound liquid medium, a wide RI range (1-6.32) was fulfilled flexibly. As a proof-of-principle for the low-loss and non-dispersive method, a 3D Eaton lens was designed and fabricated based on 3D printing process. Full-wave simulation and experiment validated its omnidirectional wave bending effects in a broad bandwidth covering Ku band (12 GHz-18 GHz).

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JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

All-dielectric three-dimensional broadband Eaton lens with large refractive index range

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