利用位错式数字间换能器产生空气声表面波

IF 6.1 2区工程技术 Q1 BIOCHEMICAL RESEARCH METHODS

Lab on a Chip Pub Date : 2024-09-10 DOI:10.1039/D4LC00371C

Zongjun Ma, Delai Kong, Wenfeng Cai, Zhenming Wang, Ming Cheng, Zixuan Wu, Xueqian Zhao, Mengjia Cen, Haitao Dai, Shifeng Guo and Yan Jun Liu

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引用次数: 0

摘要

我们提出了一种数字间换能器（IDT）的创新设计，通过错位电极结构实现了表面声波（SAW）的相位调制。通过设计这些错位 IDT 的尺寸和排列，可以产生一种新型空气声表面波，这种声表面波具有自加速、自弯曲和自修复特性。生成的空气声表面波的加速度为 0.081/cm。此外，利用生成的空气声表面波还可以精确地操纵颗粒和气泡。所提出的位错 IDT 可用于生成许多其他类型的声表面波，因此在声表面波整形、粒子操纵/分类和声学传感/检测等应用领域大有可为。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Generating Airy surface acoustic waves with dislocated interdigital transducers†

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Generating Airy surface acoustic waves with dislocated interdigital transducers†

We propose an innovative design for interdigital transducers (IDTs), enabling phase modulation of surface acoustic waves (SAWs) with a dislocated electrode structure. By designing the size and arrangement of these dislocated IDTs, a novel type of Airy SAWs can be generated, exhibiting self-accelerating, self-bending, and self-healing characteristics. The acceleration of the generated Airy SAW is 0.081 cm⁻¹. Furthermore, particles and bubbles can be precisely manipulated using the generated Airy SAW. The proposed dislocated IDTs could be used for generation of many other types of SAWs, hence holding great promise for applications including SAW shaping, particle manipulation/sorting, and acoustic sensing/detection.

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来源期刊

Lab on a Chip 工程技术-化学综合

CiteScore

11.10

自引率

8.20%

发文量

434

审稿时长

2.6 months

期刊介绍： Lab on a Chip is the premiere journal that publishes cutting-edge research in the field of miniaturization. By their very nature, microfluidic/nanofluidic/miniaturized systems are at the intersection of disciplines, spanning fundamental research to high-end application, which is reflected by the broad readership of the journal. Lab on a Chip publishes two types of papers on original research: full-length research papers and communications. Papers should demonstrate innovations, which can come from technical advancements or applications addressing pressing needs in globally important areas. The journal also publishes Comments, Reviews, and Perspectives.