New scientific publication: FILAMAG-F for compact radar systems

Reading time: 4 min

HYMAG'IN presents a new scientific publication exploring the use of FILAMAG-F, our 3D-printable magnetic filament, to reduce mutual coupling between radar antennas. This work highlights the potential of additive manufacturing for designing more compact RF systems.

Modern radar systems, particularly in applications such as drones, automotive systems, and short-range sensing, must meet increasingly strict requirements in terms of size and integration. When several antennas are placed close to each other, electromagnetic interactions may occur. This phenomenon, known as mutual coupling, can degrade the isolation between antennas and affect the overall performance of the radar system.

In this study, our teams propose a solution based on FILAMAG-F, one of the materials developed by HYMAG'IN for electromagnetic applications. Thanks to its absorbing properties and compatibility with additive manufacturing, this material enables the design of structures capable of limiting electromagnetic interactions between antennas.

A 3D-printed absorbing structure was designed and integrated between two radar antennas in order to reduce their coupling. This approach highlights the potential of additive manufacturing for developing electromagnetic solutions adapted to the integration constraints of RF systems.

The first results presented in the article show that integrating this structure can significantly reduce the coupling between antennas while preserving their radiation performance. Experimental measurements also confirm the potential of this approach for designing more compact radar systems. 

Focusing on the frequency band around 2.45 GHz, the measurements demonstrate that the presence of the FILAMAG-F component improves the isolation between antennas while maintaining the antenna impedance response and radiation characteristics. 

This publication highlights HYMAG'IN’s expertise in the development of magnetic materials and innovative electromagnetic solutions, and opens new perspectives for the integration of miniaturized RF technologies.

To learn more about the methodology, simulations, and detailed results, read the full scientific article.