Three-dimensional acoustic metamaterial Luneburg lenses for broadband and wide-angle underwater ultrasound imaging
Jungwoo Kim, Gunn Hwang, Seong-Jin Lee, Sang‐Hoon Kim, Semyung Wang
Topics & Concepts
Luneburg lensOpticsFocal lengthLens (geology)BroadbandUnderwaterOmnidirectional antennaMaterials scienceEllipsoidMetamaterialAcousticsTransducerPhysicsRefractive indexComputer scienceTelecommunicationsAntenna (radio)AstronomyGeologyOceanographyAcoustic Wave Phenomena ResearchUnderwater Acoustics ResearchMetamaterials and Metasurfaces Applications