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This contribution presents the progress towards developing an analytical electromagnetic tool for the characterization of THz antenna arrays under focusing systems.
An analytical spectral model to efficiently characterize direct power detectors located on the focal plane of focusing THz systems is presented. The model is obtained by extending a Fourier Optics like representation of the electromagnetic field in the focal plane to the THz domain and combining it with a recently developed equivalent network representation. This analytical model is then use to efficiently...
In this contribution we present the upgrade of an existing reflector antenna system to provide a THz imaging Radar with refocusing capabilities. The method used to perform this refocusing is based on a mechanical translation of the transceiver, and it allows a 50% change of the focusing distance with respect to the normal position (25 m) maintaining well focused beams and high efficiency. The refocusing...
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