Compact waveguide bandpass filter employing two-dimensional metallic photonic crystals for millimeter to terahertz frequencies

(整期优先)网络出版时间:2014-04-14
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Two-dimensionalmetallicphotoniccrystalslabswithsquarelatticeareproposedtobeusedforthedesignofwaveguidebandpassfiltersoperatinginmillimetertoterahertzregion.Filtercharacteristicsarestudiedwhenrodradiiandlatticeconstantsarechanged.Basedonthefrequencyscalingtechnique,aseriesofhigherfrequencyfiltershasbeendesigned.Byusinglaserdrillingandweldingprocessingtechniques,acompactwaveguidefilterembeddedinanEIA-WR10waveguidewithcentralfrequency145.5GHzand3-dBbandwidthof5.26GHzisfabricatedandmeasured.Themeasurementdataagreewellwiththesimulationprediction.