Article | REF: E1042 V1

Acoustic, electromagnetic and seismic metamaterials - For nano- to metric-scale waves

Authors: Stéphane BRÛLÉ, Stefan ENOCH, Sébastien GUENNEAU

Publication date: May 10, 2022

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5. Glossary

acoustic diode; diode acoustique

Device that allows sound to pass in one direction but blocks it completely in the opposite direction.

dioptre; diopter

In optics, the surface separating two homogeneous, isotropic transparent media with different refractive indices.

epicenter; epicenter

Projection on the Earth's surface of the hypocenter or focus, the point where the rupture in the Earth's crust originates during an earthquake.

onde évanescente; evanescent wave

A plane wave whose amplitude decreases exponentially with distance from the source.

Rayleigh waves; ondes de Rayleigh

Waves propagating at the interface between a solid and vacuum (or air).

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