Perforated extensible 3-D hyperbolic secant lens antenna for directive antenna applications using additive manufacturing
![Figure 1 from Assessment of LTCC-Based Dielectric Flat Lens Antennas and Switched-Beam Arrays for Future 5G Millimeter-Wave Communication Systems | Semantic Scholar Figure 1 from Assessment of LTCC-Based Dielectric Flat Lens Antennas and Switched-Beam Arrays for Future 5G Millimeter-Wave Communication Systems | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/82dc511fcfa8e4f30958a049ec64e47b854eebe9/2-Figure1-1.png)
Figure 1 from Assessment of LTCC-Based Dielectric Flat Lens Antennas and Switched-Beam Arrays for Future 5G Millimeter-Wave Communication Systems | Semantic Scholar
![Symmetry | Free Full-Text | Fully Metallic Flat Lens Based on Locally Twist-Symmetric Array of Complementary Split-Ring Resonators Symmetry | Free Full-Text | Fully Metallic Flat Lens Based on Locally Twist-Symmetric Array of Complementary Split-Ring Resonators](https://www.mdpi.com/symmetry/symmetry-11-00581/article_deploy/html/images/symmetry-11-00581-g004.png)
Symmetry | Free Full-Text | Fully Metallic Flat Lens Based on Locally Twist-Symmetric Array of Complementary Split-Ring Resonators
![GRIN Lenses for Millimeter-wave Communications and Sensing | Research | Microwave & Millimeter-wave Circuits and Systems | University of Notre Dame GRIN Lenses for Millimeter-wave Communications and Sensing | Research | Microwave & Millimeter-wave Circuits and Systems | University of Notre Dame](https://microwavelab.nd.edu/assets/391606/original/grin_1.jpg)
GRIN Lenses for Millimeter-wave Communications and Sensing | Research | Microwave & Millimeter-wave Circuits and Systems | University of Notre Dame
![Design and implementation of a terahertz lens-antenna for a photonic integrated circuits based THz systems | Scientific Reports Design and implementation of a terahertz lens-antenna for a photonic integrated circuits based THz systems | Scientific Reports](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs41598-022-05338-0/MediaObjects/41598_2022_5338_Fig1_HTML.png)
Design and implementation of a terahertz lens-antenna for a photonic integrated circuits based THz systems | Scientific Reports
![Cost-effective wideband dielectric planar lens antenna for millimeter wave applications | Scientific Reports Cost-effective wideband dielectric planar lens antenna for millimeter wave applications | Scientific Reports](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs41598-022-07911-z/MediaObjects/41598_2022_7911_Fig2_HTML.png)
Cost-effective wideband dielectric planar lens antenna for millimeter wave applications | Scientific Reports
![PDF] Design of a Perforated Flat Luneburg Lens Antenna Array for Wideband Millimeter-Wave Applications | Semantic Scholar PDF] Design of a Perforated Flat Luneburg Lens Antenna Array for Wideband Millimeter-Wave Applications | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/c1b6e9e07062c2ea364444ca8a404515af8e4249/1-Figure1-1.png)
PDF] Design of a Perforated Flat Luneburg Lens Antenna Array for Wideband Millimeter-Wave Applications | Semantic Scholar
![Lens antennas with flat-top radiation patterns: Benchmark of beam shaping techniques at the feed array level and lens shape level | Semantic Scholar Lens antennas with flat-top radiation patterns: Benchmark of beam shaping techniques at the feed array level and lens shape level | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/8c440c6b5e4fae5f55c5ee2710acb3e78ebca6b0/1-Figure1-1.png)
Lens antennas with flat-top radiation patterns: Benchmark of beam shaping techniques at the feed array level and lens shape level | Semantic Scholar
![High gain, wide-angle QCTO-enabled modified Luneburg lens antenna with broadband anti-reflective layer | Scientific Reports High gain, wide-angle QCTO-enabled modified Luneburg lens antenna with broadband anti-reflective layer | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-020-69631-6/MediaObjects/41598_2020_69631_Fig1_HTML.png)
High gain, wide-angle QCTO-enabled modified Luneburg lens antenna with broadband anti-reflective layer | Scientific Reports
Perforated extensible 3-D hyperbolic secant lens antenna for directive antenna applications using additive manufacturing
![Design and Performance Evaluation of a Dielectric Flat Lens Antenna for Millimeter-Wave Applications | Semantic Scholar Design and Performance Evaluation of a Dielectric Flat Lens Antenna for Millimeter-Wave Applications | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/2ca88e96001ff963a1848536eada46bca3fd54f3/1-Figure1-1.png)
Design and Performance Evaluation of a Dielectric Flat Lens Antenna for Millimeter-Wave Applications | Semantic Scholar
![State-of-Technology Update On GRIN/Luneburg Dielectric Lenses/Antennas for Microwave/mmWave Applications | 2022-02-01 | Microwave Journal State-of-Technology Update On GRIN/Luneburg Dielectric Lenses/Antennas for Microwave/mmWave Applications | 2022-02-01 | Microwave Journal](https://www.microwavejournal.com/ext/resources/2022/GRIN-Lenses-Survey/Figure-1--RF-lit-review.jpg)
State-of-Technology Update On GRIN/Luneburg Dielectric Lenses/Antennas for Microwave/mmWave Applications | 2022-02-01 | Microwave Journal
![2D flat Luneburg lens antenna for multibeam scanning application - Liu - 2019 - Electronics Letters - Wiley Online Library 2D flat Luneburg lens antenna for multibeam scanning application - Liu - 2019 - Electronics Letters - Wiley Online Library](https://ietresearch.onlinelibrary.wiley.com/cms/asset/b65d36ad-e42e-4294-99a0-48414ccbf036/ell2bf06749-fig-0002-m.jpg)