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https://hdl.handle.net/10356/152955
Title: | Three dimensional acoustic tweezers with vortex streaming | Authors: | Li, Junfei Crivoi, Alexandru Peng, Xiuyuan Shen, Lu Pu, Yunjiao Fan, Zheng Cummer, Steven A. |
Keywords: | Engineering::Mechanical engineering | Issue Date: | 2021 | Source: | Li, J., Crivoi, A., Peng, X., Shen, L., Pu, Y., Fan, Z. & Cummer, S. A. (2021). Three dimensional acoustic tweezers with vortex streaming. Communications Physics, 4(1), 113-. https://dx.doi.org/10.1038/s42005-021-00617-0 | Project: | A1983c0030 | Journal: | Communications Physics | Abstract: | Acoustic tweezers use ultrasound for contact-free manipulation of particles from millimeter to sub-micrometer scale. Particle trapping is usually associated with either radiation forces or acoustic streaming fields. Acoustic tweezers based on single-beam focused acoustic vortices have attracted considerable attention due to their selective trapping capability, but have proven difficult to use for three-dimensional (3D) trapping without a complex transducer array and significant constraints on the trapped particle properties. Here we demonstrate a 3D acoustic tweezer in fluids that uses a single transducer and combines the radiation force for trapping in two dimensions with the streaming force to provide levitation in the third dimension. The idea is demonstrated in both simulation and experiments operating at 500 kHz, and the achieved levitation force reaches three orders of magnitude larger than for previous 3D trapping. This hybrid acoustic tweezer that integrates acoustic streaming adds an additional twist to the approach and expands the range of particles that can be manipulated. | URI: | https://hdl.handle.net/10356/152955 | ISSN: | 2399-3650 | DOI: | 10.1038/s42005-021-00617-0 | Schools: | School of Mechanical and Aerospace Engineering | Rights: | © 2021 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | MAE Journal Articles |
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Three dimensional acoustic tweezers with vortex streaming.pdf | 1.28 MB | Adobe PDF | View/Open |
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