Wireless communication technology, apparatuses, and methods
E Alpman, AL Amadjikpe, O Asaf, K Azadet… - US Patent …, 2022 - Google Patents
Millimeter wave (mmWave) technology, apparatuses, and methods that relate to
transceivers, receivers, and antenna structures for wireless communications are described …
transceivers, receivers, and antenna structures for wireless communications are described …
Transformation optics: From classic theory and applications to its new branches
In the modern world, the ability to manipulate and control electromagnetic waves has greatly
changed people's lives. Novel optical and electromagnetic phenomena and devices will …
changed people's lives. Novel optical and electromagnetic phenomena and devices will …
Wide-angle ceramic retroreflective luneburg lens based on quasi-conformal transformation optics for mm-wave indoor localization
This paper presents a quasi-conformal transformation optics (QCTO) based three-
dimensional (3D) retroreflective flattened Luneburg lens for wide-angle millimeter-wave …
dimensional (3D) retroreflective flattened Luneburg lens for wide-angle millimeter-wave …
Multi-mode antennas for ultra-wide-angle scanning millimeter-wave arrays
G Federico, Z Song, G Theis, D Caratelli… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
In this paper, a novel multi-mode millimeter-wave antenna array with enhanced scan range
and reduced scan losses is presented. The individual array element consists of a …
and reduced scan losses is presented. The individual array element consists of a …
Reconfigurable phased array antenna consisting of high-gain high-tilt circularly polarized four-arm curl elements for near horizon scanning satellite applications
A 2× 2 phased array consisting of beam reconfigurable four-arm right-handed circularly
polarized (RHCP) curl unit elements antenna is presented. This array is designed at test …
polarized (RHCP) curl unit elements antenna is presented. This array is designed at test …
A metamaterial-free omnidirectional invisibility cloak based on thrice transformations inside optic-null medium
Y Liu, F Sun, Y Yang, Y Hao, S Liang, Z Wang - Optics & Laser Technology, 2023 - Elsevier
A full space omnidirectional cloak with an optic-null medium (ONM) shell and an isotropic
homogeneous restoring core is designed by thrice coordinate transformations inside ONM …
homogeneous restoring core is designed by thrice coordinate transformations inside ONM …
Experimental demonstration of conformal phased array antenna via transformation optics
J Lei, J Yang, X Chen, Z Zhang, G Fu, Y Hao - Scientific reports, 2018 - nature.com
Transformation Optics has been proven a versatile technique for designing novel
electromagnetic devices and it has much wider applicability in many subject areas related to …
electromagnetic devices and it has much wider applicability in many subject areas related to …
Surface transformation multi-physics for controlling electromagnetic and acoustic waves simultaneously
A multi-physics null medium that performs as a perfect endoscope for both electromagnetic
and acoustic waves is designed by transformation optics, which opens a new way to control …
and acoustic waves is designed by transformation optics, which opens a new way to control …
Wide-angle scanning planar array with quasi-hemispherical-pattern elements
A compact quasi-hemispherical-pattern antenna, two linear wide-angle scanning arrays,
and a planar wide-angle scanning array are proposed. To increase the field-of-view …
and a planar wide-angle scanning array are proposed. To increase the field-of-view …
Optical Surface Transformation: Changing the optical surface by homogeneous optic-null medium at will
A new theory on designing electromagnetic/optical devices is proposed, namely, an optical
surface transformation (OST). One arbitrary surface can establish the corresponding …
surface transformation (OST). One arbitrary surface can establish the corresponding …