Song et al., 2019 - Google Patents
Asymmetric absorption in acoustic metamirror based on surface impedance engineeringSong et al., 2019
View PDF- Document ID
- 13181244163249233346
- Author
- Song A
- Li J
- Peng X
- Shen C
- Zhu X
- Chen T
- Cummer S
- Publication year
- Publication venue
- Physical Review Applied
External Links
Snippet
Asymmetric wave manipulation has attracted growing interest due to its great importance in practical applications. We design and demonstrate a planar acoustic metamirror for realizing asymmetric sound absorption with a controllable retroreflection coefficient, which is absent …
- 238000010521 absorption reaction 0 title abstract description 49
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
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