Abstract

A miniaturised frequency selective surface (FSS) with λ 0 /7 × λ 0 /7 unit cell at the pass band centre frequency is presented for millimetre wave remote sensing. A resonant corner convoluted square ring (CCSR) is loaded with non-resonant cross dipole (CD) for tri-band spectral response. Rectangular patches integrated in the CCSR are used to optimise the coupling between the CD and CCSR to reject 50-60 GHz (B 1 ) and 170-195 GHz (B 3 ), and transmit 87-91 GHz (B 2 ). The FSS fabricated on 175 μm thick quartz with 3721 unit cells indicates polarisation and angle stable transmission response.

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