Laboratory of Wireless Technologies

The project is aimed at the design and development of efficient methods for the analysis and control of electromagnetic and acoustic fields by means of appropriate structuring of materials using complex periodic / quasiperiodic structures (for instance, metamaterials, metasurfaces or metalines) as well as single subwave resonators. The laboratory will be focusing on controlling the near field in the presence of biological tissues and effects related to this, such as an increase of the local density of electromagnetic and acoustic states, the resonance transfer of energy, the creation of high values of wave vectors and near-field focusing. Another important goal is applying the proposed «near field tuning» methods to approach the theoretical limit characteristics of such medical technologies as magnetic resonance imaging (MRI), high intensity focused ultrasound (HIFU), wireless power supply to implanted medical devices (such as implantable cardioverter defibrillators).

Project objective: 

1. Developing theoretical and experimental tools that will allow to comprehensively understand the physical phenomena related to the interaction between close electromagnetic and acoustic fields with body tissues, including in-depth analysis of the fundamental limitations and the development of approaches to ensure future practical use.
2. Filling the existing gaps between theoretically known ideal distributions   of radiofrequency (RF) fields and electric currents and the design of real wearable antennas for RF-excitation in ultra-high-field MRI.
3. Considerably improving the quality of biomedical devices related to acoustic waves.
4. Developing a system consisting of three main parts: a wearable device collecting the power of radiofrequency signals of the surrounding space and transforming it to ultrasonic waves; a wearable acoustic transmitter combined with a power accumulation system and a focusing metalens; an implanted device incorporating an acoustic receiver.