Double Star-Shaped Wideband Patch Antenna for THz Applications

Mandeep Singh, Simranjit Singh, Mandeep Singh

Abstract: This work provides a dual star-shaped patch for terahertz frequency operations that is attached at the opposite upper edges of the antenna's feedline. It does a thorough examination of the antenna's execution, taking into account important factors including gain (dB), VSWR, directivity (dB, return loss (dB), along with total bandwidth coverage (THz). A 90 ?m-thick polyimide substrate having a reduced dielectric constant (?r) about 3.5 is used in the structure of the antenna. The connection among the source to patch of the intended antenna is facilitated by a narrow microstrip line. The recommended antenna has an overall bandwidth about 0.250 THz and operates in the 1.011 THz to 1.262 THz frequency range. Resonance frequencies are found at 1.050, 1.126, and 1.198 THz across the whole operating band. It also achieves 8.10 dB of directivity as well as an overall gain about 7.09 dB throughout its frequency range.

Keywords: Microstrip antenna, Terahertz (THz) antenna, Antenna parameters, Polyimide, CST