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in this contribution, a new room-temperature terahertz source is proposed for overcoming the power limitations inherent to photomixer-based generators. Specifically, a manufactured vertical “large area emitters” is described and analyzed by proposing a Hertzian dipole array model. An estimation of its radiation pattern is included and will be compared with experimental measurements.
Arrays of coherently driven photomixers with antenna (antenna emitter arrays, AEAs) have been evaluated as a possibility to overcome the power limitations of individual conventional photomixers with antenna (“antenna emitters”, AEs) for the generation of CW THz radiation. In this paper “large area emitters” (LAEs) are proposed as an alternative approach. In this antenna-free new scheme of photomixing,...
We discuss two different approaches to overcome the power limitations of CW THz generation imposed to conventional photomixers. The increase in power achievable by using arrays of AEs is studied. Then “large area emitters” are proposed as an alternate approach to overcome the power limitations. In this antenna-free new scheme of photomixing, the THz radiation originates directly from the acceleration...
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