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In this contribution, the paper presents the antenna design and implementation of a mechanically scanned and multiplexed terahertz imaging radar. By using of a quasi-optical waveguide, we can multiplex our signal into two different beams and double the time acquisition of the image without increasing the number of transceivers. Only few additional optical components are needed.
The development of a submillimeter imaging radar is useful for applications in national security, planetary exploration, and biomedicine. However, the extension to a multi-pixel heterodyne system presents a large integration challenge at this frequency range. A partial solution suggested in this paper is a compromise between the single pixel and multi-pixel system. To our knowledge, the idea of multiplexing...
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