Sub-wavelength lateral detection of tissue-approximating masses using an ultrasonic metamaterial lens
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-19591-2
Abstract: Practically applied techniques for ultrasonic biomedical imaging employ delay-and-sum (DAS) beamforming which can resolve two objects down to 2.1λ within the acoustic Fresnel zone. Here, we demonstrate a phononic metamaterial lens (ML) for detection of… read more here.
Keywords: detection; tissue approximating; approximating masses; tissue ... See more keywords
Large-Aperture Metamaterial Lens Antenna for Multi-Layer MIMO Transmission for 6G
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3150037
Abstract: A metamaterial lens refers to a planar structure having multiple metamaterial unit cells capable of manipulating electromagnetic waves to improve antenna gains by changing their shape, geometry, size, or orientation. In this paper, we propose… read more here.
Keywords: metamaterial lens; aperture metamaterial; multi layer; lens antenna ... See more keywords
Analysis and Design of a Metamaterial Lens Antenna Using the Theory of Characteristic Modes
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Antennas and Propagation"
DOI: 10.1155/2018/6329531
Abstract: A new single-layer metamaterial lens antenna aimed to operate at 10 GHz is proposed in this paper. The lens antenna consists of twelve capacitively coupled unit cells distributed along a ring and illuminated by an open-ended… read more here.
Keywords: lens antenna; metamaterial lens; theory characteristic; characteristic modes ... See more keywords
Broadband birefringent metamaterial lens with bi-functional high-gain radiation and deflection properties.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.016265
Abstract: Birefringent metamaterial shows fantastic properties in controlling the propagation of electromagnetic wave. Based on the birefringent theory, a Ku-band birefringent metamaterial lens is proposed, which can radiate high gain TE wave with a TE wave… read more here.
Keywords: high gain; metamaterial lens; birefringent metamaterial; functional high ... See more keywords