Active holographic tweezers based on spiraling interdigitated transducers

Recently, our team demonstrated the selective manipulations of microparticles [Baudoin et al., Sci. Adv. 5, eaav1967 (2019)] and cells [Baudoin et al., Nat. Commun. 11, 4244 (2020)] in a standard microscopy environment with active holographic tweezers based on spiraling interdigitated transducers. I...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2022-04, Vol.151 (4), p.A121-A121
Main Authors: Baudoin, Michael, Al Sahely, Roudy, Gong, Zhixiong, Bou Matar, Olivier, Gerbedoen, Jean-Claude, Smagin, Nikolay, Chutani, Ravinder
Format: Article
Language:English
Online Access:Get full text
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Summary:Recently, our team demonstrated the selective manipulations of microparticles [Baudoin et al., Sci. Adv. 5, eaav1967 (2019)] and cells [Baudoin et al., Nat. Commun. 11, 4244 (2020)] in a standard microscopy environment with active holographic tweezers based on spiraling interdigitated transducers. In this talk, we will present (i) the ultra-high frequency (250 MHz) selective manipulation of 4 μm beads with nanoNewton forces and (ii) first results on the the 3D manipulation of particles and in particular their axial displacement without any motion of the transducer, by tuning the driving frequency [Gong et al., Phys. Rev. Appl. 16, 024034 (2021)]. We will also introduce a new mixed finite element/angular spectrum code, which enables to understand the underlying physic and opens perspectives to improve the tweezers design.
ISSN:0001-4966
1520-8524
DOI:10.1121/10.0010844