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What is Ultrasparse Acoustic Absorbers Explained about?
The document discusses the development of ultrasparse acoustic absorbers that allow fluid flow and visible-light control while achieving high acoustic absorption. By utilizing a sparsely arranged array of lossy and lossless resonators, the researchers demonstrate perfect absorption at resonance with a volume-filling ratio of less than 5%. Experimental results show that these absorbers can exceed 90% absorption and enable functionalities such as air-flow-direction control and optical cloaking.
- Author
- 7tnjssdxt9
- Language
- EN