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We introduce a novel antenna concept suitable for future integrated arrays at terahertz frequencies. The antenna consists of an extended hemispherical lens antenna fed by a leaky wave waveguide feed that can be integrated with sensors and detectors such as Schottky diodes. In this antenna architecture, a couple of TE/TM leaky wave modes are excited in a resonant cavity formed by a waveguide opening...
A set of antenna geometries for future integrated arrays at terahertz frequencies, based on two fabrication techniques is presented. The first technique consists in an advanced laser micro-fabrication, allowing fabricating advanced 3D geometries but may not be cost-efficient for large arrays. The second one is based in photolithographic processes, allowing the fabrication of arrays on a single wafer...
In the present contribution, an ellipsoidal reflector antenna fed by a leaky wave array has been studied for imaging applications at submillimeter waves. The array geometry is easy to manufacture at these frequencies and presents better spill over efficiency and more symmetric patterns than conventional horn arrays. At the present time, two arrays aiming at large and small FD ratios are being manufactured...
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