[EN] We investigate the dispersion of phononic crystal waveguides formed by evanescent coupling of a chain of defect cavities and supporting slow-wave propagation. These coupled-resonator acoustic waveguides (CRAWs) are ...
Romero García, Vicente; Krynkin, A.; García-Raffi, L. M.; Umnova, O.; Sánchez Pérez, Juan Vicente(Elsevier, 2013-01-07)
An acoustic metamaterial made of a two-dimensional (2D) periodic array of multi-resonant acoustic scatterers is analyzed both experimentally and theoretically. The building blocks consist of a combination of elastic beams ...