Analysis of multi-faceted reflectarrays based-on Cassegrain optics
Subject:
reflectarrays
dual-reflector configurations
satellite communications
Publication date:
Abstract:
This contribution presents a compact multi-faceted reflectarray in a Cassegrain configuration. The reflectarray surface is comprised of five identical panels arranged edge to edge following a cylindrical parabolic profile. The antenna provides dual linear polarization (LP) and it operates in Kaband, generating a broadside beam pattern. The performance of this antenna is assessed and compared with two alternative approaches: a single-facet reflectarray and a multi-faceted structure with three identical panels. The proposed multifaceted structure achieves the best in-band performance, with a 60% enhancement in the gain–bandwidth product compared to the single-facet case and a 10% improvement compared to the multi-faceted approach based on three panels
This contribution presents a compact multi-faceted reflectarray in a Cassegrain configuration. The reflectarray surface is comprised of five identical panels arranged edge to edge following a cylindrical parabolic profile. The antenna provides dual linear polarization (LP) and it operates in Kaband, generating a broadside beam pattern. The performance of this antenna is assessed and compared with two alternative approaches: a single-facet reflectarray and a multi-faceted structure with three identical panels. The proposed multifaceted structure achieves the best in-band performance, with a 60% enhancement in the gain–bandwidth product compared to the single-facet case and a 10% improvement compared to the multi-faceted approach based on three panels
Description:
Simposio Nacional de la Union Científica Internacional de Radio (URSI) (38th. 2023. Cáceres, Spain)
ISBN:
Patrocinado por:
This work was supported in part by MICIN/AEI/10.13039/501100011033 within the projects PID2020-114172RB-C21 and TED2021-130650B-C22; by Gobierno del Principado de Asturias under project AYUD/2021/51706; and by Spanish Ministry of Education under grant FPU18/0575