Broadband ultrasonic focusing in water with an ultra-compact metasurface lens
Focusing of ultrasonic waves in water plays an important role in various scenarios ranging from biomedical imaging to nondestructive testing. Acoustic metasurfaces have been largely explored for acoustic focusing, but they are generally narrowband and mainly implemented for airborne sound because of...
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| Main Authors: | , , , |
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| 格式: | Article |
| 語言: | English |
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2019
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| 在線閱讀: | https://hdl.handle.net/10356/85350 http://hdl.handle.net/10220/48895 |
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