3 papers
physics.app-ph2025
Ultrasonic metamaterial at MHz frequencies using microstructured glass
Oscar Demeulenaere, Nikita Ustimenko, Athanasios G. Athanassiadis +3
Acoustic metamaterials enhance traditional material properties through microstructure engineering, providing new opportunities to shape sound fields in applications ranging from bi…
physics.class-ph2025
Lattice-induced sound trapping in biperiodic metasurfaces of acoustic resonators
Nikita Ustimenko, Andrey B. Evlyukhin, Vicky Kyrimi +2
A referential example of a physical system that supports bound states in the continuum (BICs) with an infinite quality factor ( factor) is a metasurface of discrete scatterers (…
physics.class-ph2025
Optimal multipole center for subwavelength acoustic scatterers
Nikita Ustimenko, Carsten Rockstuhl, Alexander V. Kildishev
The multipole expansion is a powerful framework for analyzing how subwavelength-size objects scatter waves in optics or acoustics. The calculation of multipole moments traditionall…