Metasurfaces comprise an array of pillars in a lattice. The dimensions of the pillars and the
spacing are varied to obtain desired optical properties. The dispersionless metasurfaces can …

US10267956B2 - Multi-wavelength optical dielectric metasurfaces - Google Patents
US10267956B2 - Multi-wavelength optical dielectric metasurfaces - Google Patents Multi-wavelength …

Monitoring and compensating for environmental and other conditions affecting antenna
elements of an antenna is described. The conditions may affect radio frequency (RF) liquid …

An array of scattering and/or reflector antennas are configured to produce a series of beam
patterns, where in some embodiments the scattering antenna and/or the reflector antenna …

Structures for scattering light at multiple wavelengths are disclosed. Scattering elements are
fabricated with different geometric dimensions and arrangements, to scatter or focus light at …

A method for beam forming includes providing multiple instances of holographic
metasurface antennas (HMAs), a reference wave source coupled to the HMAs, and a …

A switchable patch antenna comprises a planar conductor having an aperture (hole) formed
in the middle of the planar conductor. Radiation of a sinusoidal signal is controlled by …

(57) ABSTRACT A system for evaluating the performance of beam forming antennas based
on correlations of signal to noise measurements of individual scattering elements in the …

Metasurfaces comprise an array of meta-atoms in a stretchable polymer. The dimensions
and shapes of the meta-atoms and the spacing are varied to obtain desired optical …

A system for transmitting and receiving wireless signals through a physical barrier, such as
walls or windows, to wireless computing devices that are located internal to a structure that …