UKMMN Metamaterial Picture Competition 2022

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Amongst the antenna designs that yield an ultrawideband (UWB) response with an omnidirectional spatial coverage, the planar inverted cone antenna (PICA) has emerged as one of the most promising designs in the last two decades. A PICA is composed of a semicircle, which is extended into an inverted cone from the flat side. Moreover, due to the flat profile, the PICA exhibits mechanical stability due to which it is increasingly being used for commercial applications. we presented for the first time in literature a fabricated and experimentally measured, novel and simple ultrawideband omnidirectional 1×4 THz PICA array with a 37.9 % bandwidth with a central frequency of 0.92 THz.

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