Enhanced and reduced transmission of acoustic waves with bubble meta-screens

Details Enhanced and reduced transmission of acoustic waves with bubble meta-screens Enhanced and reduced transmission of acoustic waves with bubble meta-screens

2011-11-05

arxiv.org/abs/1111.1309v1

Physics

Classical Physics

Scientific paper

We present a class of sonic meta-screens for manipulating air-borne acoustic
waves at ultrasonic or audible frequencies. Our screens consist of periodic
arrangements of air bubbles in water or possibly embedded in a soft elastic
matrix. They can be used for soundproofing, but also for exalting transmission
at an air/water interface or even to achieve enhanced absorption.

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