Abstract

This paper presents a novel optically transparent antenna that utilizes Indium Tin Oxide-coated Polyethylene Terephthalate (ITO-PET) and Soda-lime-glass (SLG) substrate. It explores ITO-PET and SLG for transparent antenna fabrication, thoroughly evaluating the antenna’s performance in relation to ITO-PET’s conductivity. Operating in dual bands (1.6–2 GHz UHF and 3.25–4.95 GHz S-band), the antenna’s inventive design features a slotted circular structure with a modified ground plane, crucial for achieving dual-band functionality. Despite ITO-PET’s relatively low conductivity, the antenna outperforms expectations, exhibiting a wider bandwidth in the higher band and positive gain in both bands, conforming the potential of ITO-PET. The successful realization of this innovative concept is validated through the fabrication and measurement of the antenna prototype, signaling a new frontier in transparent antenna technology.

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