Design of acoustic/elastic phase gradient metasurfaces: principles, functional elements, tunability, and coding
Acoustic/elastic metasurfaces as a kind of two-dimensional metamaterials are of
subwavelength thickness and show remarkable ability of acoustic/elastic wave …
subwavelength thickness and show remarkable ability of acoustic/elastic wave …
Meta-ring for enhancing emission efficiency of omnidirectional SH waves
HJ Kim, CI Park, K Kim, YY Kim - International Journal of Mechanical …, 2023 - Elsevier
The intensity of a wave emitted by a transducer affects its performance critically, especially
when the emitted wave is omnidirectional. However, the development of omnidirectional …
when the emitted wave is omnidirectional. However, the development of omnidirectional …
Design and micromanufacturing technologies of focused piezoelectric ultrasound transducers for biomedical applications
X Bai, D Wang, L Zhen, M Cui, J Liu… - … Journal of Extreme …, 2024 - iopscience.iop.org
Piezoelectric ultrasonic transducers have shown great potential in biomedical applications
due to their high acoustic-to-electric conversion efficiency and large power capacity. The …
due to their high acoustic-to-electric conversion efficiency and large power capacity. The …
Achromatic needle focusing with superresolution enabled by a ring-shaped acoustic metalens
L Fan, J Mei - Physical Review Applied, 2023 - APS
Superresolution metalenses that can realize a far-field needle focusing effect are highly
desired in various applications, such as medical diagnosing, ultrasonic detection, and …
desired in various applications, such as medical diagnosing, ultrasonic detection, and …
Broadband and high-numerical-aperture sharp focusing for waterborne sound with metagrating-based lens
J Mei, L Fan, X Hong - New Journal of Physics, 2022 - iopscience.iop.org
Metalens with broadband and high-efficiency focusing functionality is desired in various
underwater acoustic applications such as sonar and oceanography. Here we design and …
underwater acoustic applications such as sonar and oceanography. Here we design and …
[HTML][HTML] 声学/弹性相位梯度超表面设计: 原理, 功能基元, 可调和编码
陈阿丽, 汪越胜, 王艳锋, 周红涛, 袁思敏 - 力学进展, 2022 - lxjz.cstam.org.cn
声学/弹性超表面是一类亚波长厚度的二维超材料, 具有很强的声波/弹性波操控能力,
在声学成像, 通信, 隐身, 伪装, 振动/噪声控制, 能量收集, 无损检测等领域具有潜在的应用 …
在声学成像, 通信, 隐身, 伪装, 振动/噪声控制, 能量收集, 无损检测等领域具有潜在的应用 …
Advanced Ultrasound Energy Transfer Technologies using Metamaterial Structures
Wireless energy transfer (WET) based on ultrasound‐driven generators with enormous
beneficial functions, is technologically in progress by the valuation of ultrasonic …
beneficial functions, is technologically in progress by the valuation of ultrasonic …
[HTML][HTML] Airborne ultrasound focusing aperture with binary amplitude mask over planar ultrasound emissions
M Kitano, K Hasegawa - Journal of Applied Physics, 2023 - pubs.aip.org
Phased arrays of airborne ultrasound transducers are widely utilized as a key technology to
achieve mid-air convergence of intense ultrasound, which is applied to a variety of systems …
achieve mid-air convergence of intense ultrasound, which is applied to a variety of systems …
Influence of the prestressed layer on spherical transducer in sound radiation performance
X Zhang, X Lin, R Guo, C Yang, H Zhao… - Journal of Advanced …, 2022 - World Scientific
To improve the acoustic radiation performance of the spherical transducer, a prestressed
layer is formed in the transducer through fiber winding. The influence of the prestressed …
layer is formed in the transducer through fiber winding. The influence of the prestressed …
[HTML][HTML] Distinct thermal effect on biological tissues using subwavelength ultrasound metalens at megahertz
Ultrasound focusing plays an important role in biomedical therapy and diagnosis. Acoustic
metalens has showcased remarkable focusing performance but yet to be implemented to the …
metalens has showcased remarkable focusing performance but yet to be implemented to the …