[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Wu et al., 2020 - Google Patents

Orbital angular momentum (OAM) mode-reconfigurable discrete dielectric lens operating at 300 GHz

Wu et al., 2020

View PDF
Document ID
17935040975984399454
Author
Wu G
Chan K
Qu S
Tong K
Chan C
Publication year
Publication venue
IEEE Transactions on Terahertz Science and Technology

External Links

Snippet

A novel three-dimensional printed discrete dielectric lens (DDL) antenna with orbital angular momentum (OAM) mode reconfigurability operating at 300 GHz is proposed in this article. The antenna consists of a stationary lower DDL and an upper in-plane rotatable DDL, fed by …
Continue reading at discovery.ucl.ac.uk (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q21/00—Aerial arrays or systems
    • H01Q21/06—Arrays of individually energised active aerial units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters
    • H01Q15/242—Polarisation converters
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q21/00—Aerial arrays or systems
    • H01Q21/06—Arrays of individually energised active aerial units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised active aerial units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q19/00—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic
    • H01Q19/06—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • H01Q19/062—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q21/00—Aerial arrays or systems
    • H01Q21/24—Combinations of aerial elements or aerial units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q1/00—Details of, or arrangements associated with, aerials
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q21/00—Aerial arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0018—Space- fed arrays
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q19/00—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic
    • H01Q19/10—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system using mechanical relative movement between primary active elements and secondary devices of aerials or aerial systems
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q25/00—Aerials or aerial systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant aerials
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave

Similar Documents

Publication Publication Date Title
Wu et al. Orbital angular momentum (OAM) mode-reconfigurable discrete dielectric lens operating at 300 GHz
Li et al. Design of a broadband metasurface Luneburg lens for full-angle operation
Miao et al. 140 GHz high-gain LTCC-integrated transmit-array antenna using a wideband SIW aperture-coupling phase delay structure
Ataloglou et al. Microwave Huygens’ metasurfaces: Fundamentals and applications
Afzal et al. Dielectric phase-correcting structures for electromagnetic band gap resonator antennas
Qin et al. A four-mode OAM antenna array with equal divergence angle
Wu et al. 3-D printed terahertz lens to generate higher order Bessel beams carrying OAM
Fan et al. Development of a high gain 325–500 GHz antenna using quasi-planar reflectors
Lou et al. High-efficiency metalens antenna using Huygens’ metasurface with glide symmetric I-shape metal strips
Katare et al. Realization of split beam antenna using transmission-type coding metasurface and planar lens
Huang et al. A 2-D multibeam half Maxwell fish-eye lens antenna using high impedance surfaces
Wu et al. Millimeter-wave holographic flat lens antenna for orbital angular momentum multiplexing
Li et al. Design of programmable transmitarray antenna with independent controls of transmission amplitude and phase
Lian et al. Uniplanar high-gain 2-D scanning leaky-wave multibeam array antenna at fixed frequency
Liao et al. Chiral metasurface enabled circularly polarized OAM-generating folded transmitarray antenna with high-gain low-profile and broadband characteristics
Vidarsson et al. Conformal parallel plate waveguide polarizer integrated in a geodesic lens antenna
Lu et al. Fully metallic anisotropic lens crossover-in-antenna based on parallel plate waveguide loaded with uniform posts
Chen et al. Microwave metalens antennas
Zhu et al. Dual-band aperture-shared high gain antenna for millimeter-wave multi-beam and sub-6 GHz communication applications
Guo et al. Antenna and array technologies for future wireless ecosystems
Cheng et al. Planar Luneburg lens based on the high impedance surface for effective Ku-band wave focusing
Dussopt et al. Millimeter-Wave Gaussian-Beam Transmitarray Antennas for Quasi-Optical $ S $-Parameter Characterization
Ma et al. Broadband vortex beams generation with narrow divergence angle using polarization insensitive metasurface
Kakhki et al. Dual complementary source magneto-electric dipole antenna loaded with split ring resonators
Vuyyuru et al. Efficient synthesis of passively loaded finite arrays for tunable anomalous reflection