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Publicações

2019

Scalable High-Gaussicity Split-Block Diagonal Horn Antenna for Integration with Sub-THz Devices

Autores
Santos, HM; Lima, ED; Pinho, P; Pessoa, LM; Moro Melgar, D; Salgado, HM;

Publicação
2019 49TH EUROPEAN MICROWAVE CONFERENCE (EUMC)

Abstract
In this paper we propose a high-gaussicity spline-profiled horn antenna, which is scalable in length and aperture to achieve higher gains whilst retaining a high Gaussian efficiency. A novel approach is used where a PSO is used for optimizing the spline, using the gaussicities at the operating frequencies as the objective function, which further improves side-lobe level and cross-polarization when compared to the state-of-the-art. With the proposed method, which was validated through FEM simulations in HFSS, reflection coefficients below -15 dB, gains greater than 25 dBi and gaussicities above 91% were obtained in the entire WR-3 band.