A spoof surface plasmon polariton waveguide with internal grooves and periodic gaps forms a bandpass filter centered near 1 THz with 0.25 THz bandwidth, confirmed by fabrication and measurement.
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physics.optics 1years
2026 1verdicts
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Design and Verification of a Terahertz Bandpass Filter using a Spoof Surface Plasmon Polariton Waveguide with Gapped Unit Cells
A spoof surface plasmon polariton waveguide with internal grooves and periodic gaps forms a bandpass filter centered near 1 THz with 0.25 THz bandwidth, confirmed by fabrication and measurement.