Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

High-Efficiency Polarizer Reflectarray Antennas for Data Transmission Links from a CubeSat

Version 1 : Received: 30 June 2021 / Approved: 1 July 2021 / Online: 1 July 2021 (11:18:48 CEST)

A peer-reviewed article of this Preprint also exists.

Martinez-de-Rioja, E.; Martinez-de-Rioja, D.; López-Sáez, R.; Linares, I.; Encinar, J.A. High-Efficiency Polarizer Reflectarray Antennas for Data Transmission Links from a CubeSat. Electronics 2021, 10, 1802. Martinez-de-Rioja, E.; Martinez-de-Rioja, D.; López-Sáez, R.; Linares, I.; Encinar, J.A. High-Efficiency Polarizer Reflectarray Antennas for Data Transmission Links from a CubeSat. Electronics 2021, 10, 1802.

Journal reference: Electronics 2021, 10, 1802
DOI: 10.3390/electronics10151802

Abstract

This paper presents two designs of high-efficiency polarizer reflectarray antennas able to generate a collimated beam in dual-circular polarization using a linearly polarized feed, with application to high-gain antennas for data transmission links from a Cubesat. First, an 18 cm x 18 cm polarizer reflectarray operating in the 17.2 - 22.7 GHz band has been designed, fabricated and tested. The measurements of the prototype show an aperture efficiency of 52.7% for right-handed circular polarization (RHCP) and 57.3% for left-handed circular polarization (LHCP), both values higher than those previously reported in related works. Then, a dual-band polarizer reflectarray is presented for the first time, which operates in dual-CP in the frequency bands of 20 and 30 GHz. The proposed antenna technology enables a reduction of the complexity and cost of the feed chain to operate in dual-CP, as a linear-to-circular polarizer is no longer required. This property, combined with the lightweight, flat profile and low fabrication cost of printed reflectarrays, makes the proposed antennas good candidates for Cubesat applications.

Subject Areas

broadband; circular polarization; CubeSat; dual band; high-gain antenna; polarizer; reflectarray; satellite communications

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