Abstract: A dielectric element includes a bottom surface, a top surface, and a plurality of cells formed vertically between the bottom surface and the top surface. Each cell of the plurality of cells includes a cell sidewall that extends below the top surface toward the bottom surface. The cell sidewall forms an aperture in the top surface and tapers from the top surface toward a center of a respective cell. Each cell sidewall is formed of a dielectric material.

Abstract: A dielectric element includes a bottom surface, a top surface, and a plurality of cells formed vertically between the bottom surface and the top surface. Each cell of the plurality of cells includes a cell sidewall that extends below the top surface toward the bottom surface. The cell sidewall forms an aperture in the top surface and tapers from the top surface toward a center of a respective cell. Each cell sidewall is formed of a dielectric material.

Abstract: A real time inspection and correction system and method for additive manufacturing process is described. The method may include operating a direct writing device configured to deposit material on a substrate through a tip to provide a portion of a product according to initial parameter values, receiving a hyperspectral image frame including a plurality of spectral images of the deposited material, processing the received hyperspectral image frame to determine a characteristic of the deposited material comparing the determined characteristic with a target characteristic determining at least one corrective parameter value to conform the determined characteristic to the target characteristic updating at least one of the initial parameter values with the corrective parameter values, and operating the direct writing device to deposit additional material on the substrate according to the corrective parameter value.

Abstract: A method and apparatus for tuning a metamaterial cell. A set of electromagnetic properties of a tunable element associated with the metamaterial cell may be tuned. A resonance of the metamaterial cell may be adjusted in response to the set of electromagnetic properties being tuned. A range of frequencies over which the metamaterial cell provides a negative index of refraction may be changed in response to the resonance of the metamaterial cell changing.

Abstract: A real time inspection and correction system and method for additive manufacturing process is described. The method may include operating a direct writing device configured to deposit material on a substrate through a tip to provide a portion of a product according to initial parameter values, receiving a hyperspectral image frame including a plurality of spectral images of the deposited material, processing the received hyperspectral image frame to determine a characteristic of the deposited material comparing the determined characteristic with a target characteristic determining at least one corrective parameter value to conform the determined characteristic to the target characteristic updating at least one of the initial parameter values with the corrective parameter values, and operating the direct writing device to deposit additional material on the substrate according to the corrective parameter value.

Abstract: A method and apparatus for managing a magnetic permeability of a core. The apparatus comprises a core and a plurality of electrodes positioned relative to the core. The core comprises a plurality of liquid crystals and a plurality of magnetic nanoparticles. Changing a voltage applied to the plurality of electrodes changes a magnetic permeability of the core.

Abstract: A method and apparatus for tuning a metamaterial cell. A set of electromagnetic properties of a tunable element associated with the metamaterial cell may be tuned. A resonance of the metamaterial cell may be adjusted in response to the set of electromagnetic properties being tuned. A range of frequencies over which the metamaterial cell provides a negative index of refraction may be changed in response to the resonance of the metamaterial cell changing.

Abstract: A method and apparatus for managing a magnetic permeability of a core. The apparatus comprises a core and a plurality of electrodes positioned relative to the core. The core comprises a plurality of liquid crystals and a plurality of magnetic nanoparticles. Changing a voltage applied to the plurality of electrodes changes a magnetic permeability of the core.