metasurface antennas
Wideband Active Region Metasurface Antennas
... modulated metasurface antennas for ...of metasurface holographic antennas and, during his Post- Doctoral appointments, towards the characterization, optimization and synthesis of multi-band ...
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Metasurface antennas embedded in small circular cavities for telemetry applications
... Six layers of RO3010 are used at the aperture of the cavity, and the total cavity thickness is h c = 14 mm. The metasurface is composed of only two strips which are much smaller than the wavelength, as described ...
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Metasurface Antennas: New Models, Applications and Realizations
... MTS antennas which possess high-efficiency (for both broadside and squinted beams), shaped beam, broadband, dual-band and dual-beam, respectively; these prototypes extend considerably the class of applications ...
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Millimeter-Wave and Sub-THz Modulated Metasurface Antennas
... MTS antennas stand out for providing an unprecedented control of the aperture fields with low-profile and lightweight ...of antennas, a surface-wave (SW) is gradually radiated, owing to its interaction with ...
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Method of Moments Simulation of Modulated Metasurface Antennas With a Set of Orthogonal Entire-Domain Basis Functions
... Abstract—A family of orthogonal, and entire-domain basis functions (named Fourier-Bessel) is proposed for the analysis of circular modulated metasurface (MTS) antennas. In the structures at hand, the MTS is ...
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Flat Gain Broad-Band Metasurface Antennas
... PERTURE ANTENNAS based on modulated metasurfaces (MTSs) [1]-[4] have recently drawn considerable ...of antennas arises from the interaction between a surface wave (SW) and the spatially modulated tensor ...
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Additive Manufactured Metal-Only Modulated Metasurface Antennas
... cations antennas is of crucial importance in any ...phased-array antennas are particularly difficult to adapt to SmallSats and CubeSats, whose number of launches keeps increasing ...
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Dual-Band Beams Generation with Metasurface based on the EFIE
... V. C ONCLUSION We have presented an algorithm to generate shaped beams (in amplitude, phase and polarization) at multiple frequencies with modulated metasurface antennas. The method relies on the resolution ...
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Quasi-Optical Excitation of a Circularly-Polarized Metasurface Antenna at K-band
... Terms—Metasurface antennas, leaky waves, circular polarization, satellite communications, ...high-gain antennas with circular polarization and beam steering ...reflector antennas [1] or ...
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Multi-Beam Si/GaAs Holographic Metasurface Antenna at W-Band
... shaping metasurface antenna has recently gained significant traction ...[12]-[18]. Metasurface antennas have also been identified as good candidates for small platforms such as CubeSats/SmallSats ...
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A Deep Learning Approach for Objective-Driven All-Dielectric Metasurface Design
... Although previous DNN-based approaches have yielded promising results in predicting amplitude responses of certain metasurface or nanophotonic devices (17, 21-24), accurate phase prediction has yet to be ...
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Low-Profile Antennas for Aircraft Communication Systems
... electrical properties, customized materials have found their way in many applications related to antenna design. MDM placed on Perfect Electric Conductor (PEC) ground can help to make ultra-wideband (UWB) antenna with ...
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Optical antennas for harvesting solar radiation energy
... 53 | P a g e Antenna is an important component of any wireless system. For the antenna to be designed at this higher end of the spectrum (THz band), special tools are needed from its realization to characterization. The ...
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Eigenvalue-Based Spectrum SensingWith Two Receive Antennas
... Several detection techniques were explored by researchers in the last decade [2]. Among these, Energy detector (ED) is the most popular technique because of the fact that it is simple, non-coherent, and need no prior ...
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Long-lifetime coherence in a quantum emitter induced by a metasurface
... the metasurface is optically equivalent to a spherical mirror, and has the same Green tensor or scattered field value at the position of the atom; generally speaking, since the decay rate modification depends on ...
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Metasurface-assisted massive backscatter wireless communication with commodity Wi-Fi signals
... programmable metasurface configuration is of course not static—otherwise by definition no information could be ...programmable metasurface consists of a two-dimensional (2D) array of electronically ...
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Optimized 3D metasurface for maximum light deflection at visible range
... In conclusion, we used our global optimization tech- niques to optimize 3D gradient metasurface. Our results reveal that we can get up to 87% of diffraction efficiency by optimizing 12 different parameters using ...
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Active learning of deep surrogates for PDEs: application to metasurface design
... a metasurface c in 3D and d in 2D, which is optimized to scatter light in a prescribed ...the metasurface and generate the field anywhere in the far ...
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Reconfigurable antennas radiations using plasma Faraday cage
... 1 INTRODUCTION Plasma refers to the fourth state of matter. When the plasma inside a container (tube in our case) is energized (state ON), the media performs like a conductive element capable to reflect radio signals ...
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An ultra-thin double-functional metasurface patch antenna for UHF RFID applications
... To sum up, thanks to its ultra-thin thickness and the degree of freedom in the overall physical size by selecting the number of unit-cell array, with a simple engineering in the structure, similar designs can be created ...
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