Two-Dimensional Manipulation in Mid-Air Using a Single Transducer Acoustic Levitator

Harri WijayaQuan Zhou


We report a single transducer acoustic levitator capable of manipulating objects in two-dimensions. The levitator consists of a centrally actuated vibrating plate and a flat reflector. We show that the levitation position of the object depends not only on the vibration frequency, but also on the tilting angle between the plate and the reflector. Additionally, new levitation positions can be created by actuating the plate with a composite signal of two frequencies using frequency switching. Based on recorded levitation positions, such single transducer acoustic levitator can manipulate a cluster of levitated microspheres in predefined trajectories, with mean position error of 155 ± 84 µm.


May 6, 2010·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Daisuke Koyama, Kentaro Nakamura
Jul 17, 2013·Proceedings of the National Academy of Sciences of the United States of America·Daniele ForestiDimos Poulikakos
Nov 12, 2013·Scientific Reports·Daniele ForestiDimos Poulikakos
Oct 28, 2015·Nature Communications·Asier MarzoSriram Subramanian
Dec 17, 2015·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Ryota KashimaMami Matsukawa
Feb 2, 2016·Scientific Reports·Thomas VasileiouAldo Ferrari
Mar 17, 2016·The Journal of Physical Chemistry Letters·Annela M SeddonChristian Pfrang
May 7, 2016·Scientific Reports·Soichiro Tsujino, Takashi Tomizaki
Sep 10, 2016·Nature Communications·Quan ZhouVille Liimatainen
Mar 3, 2017·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Gilles P L ThomasEmilio Carlos Nelli Silva
Mar 25, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Zhen ChenXingguo Geng
Jan 5, 2018·Lab on a Chip·Umesh S JonnalagaddaRahul S Tare
Jul 28, 2018·Nature Communications·Steven Peiran ZhangTony Jun Huang
Dec 19, 2018·Proceedings of the National Academy of Sciences of the United States of America·Asier Marzo, Bruce W Drinkwater

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