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Broadband Wide Angle Lens Implemented with Dielectric Metamaterials [PDF]
Sensors, 2011 The Luneburg lens is a powerful imaging device, exhibiting aberration free focusing for parallel rays incident from any direction. However, its advantages are offset by a focal surface that is spherical and thus difficult to integrate with standard ...
Vinh Nguyen, David Smith
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Modified Luneburg Lens Based on Metamaterials [PDF]
International Journal of Antennas and Propagation, 2015 We present the design, fabrication, and experimental characterization of a modified two-dimensional Luneburg lens based on bulk metamaterials. The lens is composed by a number of concentric layers.
Haibing Chen +8 more
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Negative Index Metamaterial Lens for Subwavelength Microwave Detection
Sensors, 2021 Metamaterials are engineered periodic structures designed to have unique properties not encountered in naturally occurring materials. One such unusual property of metamaterials is the ability to exhibit negative refractive index over a prescribed range ...
Srijan Datta +6 more
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Archives of Acoustics, 2022 This review article is concerned with metamaterials, i.e. specifically engineered structures with special properties for interaction with sounds. The research on and practical design of these materials have gained momentum in the last decade, when 3D ...
Bartłomiej Sztyler, Paweł Strumiłło
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Crystals, 2022 The design theory for electromagnetic metamaterials with negative refractive indices by using a distributed transmission-line model is introduced to the design of acoustic metamaterials, and a negative refractive index (NRI) acoustic lens is designed ...
Ibuki Takegami +3 more
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Application of metamaterials for the microwave antenna realizations [PDF]
Serbian Journal of Electrical Engineering, 2012 In this paper, the application of left-handed metamaterials for the realization of microwave antennas has been considered. Special emphasis is placed on lens antennas based on gradient-index metamaterials, and their advantages and enhanced ...
Asenov Tatjana +2 more
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Light People: Prof. Sir John Pendry, father of metamaterials, spoke about the future of meta
Light: Science & Applications, 2023 Editorial When consulting with the Marconi company in 1995, Prof. Sir John Pendry uncovered exotic structures that gave negative permittivity and negative permeability, respectively. In 1999, Prof.
Chenzi Guo, Yu Luo
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All-angle reflectionless negative refraction with ideal photonic Weyl metamaterials
Light: Science & Applications, 2022 A robust negative index flat lens which collects all energy launched from the source is constructed with the ideal photonic Weyl metamaterials.
Yachao Liu +3 more
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Recent Advances in Non-Traditional Elastic Wave Manipulation by Macroscopic Artificial Structures
Applied Sciences, 2020 Metamaterials are composed of arrays of subwavelength-sized artificial structures; these architectures give rise to novel characteristics that can be exploited to manipulate electromagnetic waves and acoustic waves. They have been also used to manipulate
Jeonghoon Park, Dongwoo Lee, Junsuk Rho
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Research and development of microwave meta-antenna technology
Zhongguo Jianchuan Yanjiu, 2022 The development of antenna technology has always been restricted by its essential physical limits, but the advancement of artificial structures with unique electric properties, namely metamaterials, offers great opportunities for improving the ...
Zhi Ning CHEN
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