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This work explores a rapid design and manufacturing approach to realize complex 3D pillar type filter and transmission line structures for applications in the 220 GHz–325 GHz range, which cannot be economically reproduced by conventional machining processes or present rapid prototyping methods. The significance of this investigation is that at THz frequencies, the exact conductor shape and surface...
We designed and manufactured terahertz (THz) waveguide high-pass filters (HPFs) with cutoff frequencies exceeding those of known analogs. These HPFs will be used in a proposed system for measuring spectra of single THz pulses or of the pulses radiated with a low-repetition rate. The system restores the pulse spectrum from measured amplitudes of the initial pulse and of the pulses, transmitted through...
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