Simple and inexpensive micromachined aluminum microfluidic devices for acoustic focusing of particles and cells
Sign Up to like & getrecommendations! Published in 2018 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-018-1034-6
Abstract: AbstractWe introduce a new method to construct microfluidic devices especially useful for bulk acoustic wave (BAW)-based manipulation of cells and microparticles. To obtain efficient acoustic focusing, BAW devices require materials that have high acoustic impedance… read more here.
Keywords: micromachined aluminum; microfluidic devices; baw; aluminum ... See more keywords
Hydrodynamic flow cytometer performance enhancement by two-dimensional acoustic focusing
Sign Up to like & getrecommendations! Published in 2020 at "Biomedical Microdevices"
DOI: 10.1007/s10544-020-00481-9
Abstract: Conventional flow cytometers employ hydrodynamic focusing method to insure detection accuracy by forcing cells go through detected position. However, an increased flow velocity will significantly reduce detection precision due to a fact that cells will… read more here.
Keywords: acoustic focusing; performance; focusing; flow cytometer ... See more keywords
Dynamic acoustic focusing in photoacoustic transmitter
Sign Up to like & getrecommendations! Published in 2021 at "Photoacoustics"
DOI: 10.1016/j.pacs.2020.100224
Abstract: Abstract Photoacoustic transmitter represents a promising substitute for conventional piezoelectric counterparts. However, lack of easy and effective method for dynamically manipulating the focused acoustic field is a common and tricky problem faced by current photoacoustic… read more here.
Keywords: acoustic focusing; photoacoustic transmitter; transmitter; focusing photoacoustic ... See more keywords
Acoustic focusing effect based on artificial periodic structure
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DOI: 10.1063/1.5109603
Abstract: To achieve high-efficiency acoustic focusing, an artificial periodic acoustic structure composed of two-dimensional three-component cell arrays was used to manipulate the transmission wave fronts of acoustic waves, and the acoustic field characteristics were numerically simulated… read more here.
Keywords: acoustic wave; wave; effect; structure ... See more keywords
Broadband controllable acoustic focusing and asymmetric focusing by acoustic metamaterials
Sign Up to like & getrecommendations! Published in 2021 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/abeb2e
Abstract: The applications of acoustic focusing and acoustic asymmetric focusing (AAF) are severely constrained by the narrow frequency bandwidth. In this paper, we report broad bandwidth acoustic focusing lens and asymmetric acoustic focusing lens consisting of… read more here.
Keywords: acoustic focusing; asymmetric focusing; focusing lens; focusing asymmetric ... See more keywords
Bidirectional asymmetric acoustic focusing with two flat acoustic metasurfaces
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Physics B"
DOI: 10.1088/1674-1056/27/12/124302
Abstract: We design an asymmetric transmission system (ATS) with two flat acoustic metasurfaces (AMs) to yield bidirectional asymmetric acoustic focusing (BAAF). The acoustic waves could be focused on both sides of the ATS with different focal… read more here.
Keywords: flat acoustic; bidirectional asymmetric; asymmetric acoustic; acoustic focusing ... See more keywords
Low-Loss Unidirectional Acoustic Focusing Transducer in Thin-Film Lithium Niobate
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2020.3011624
Abstract: In this work, we present gigahertz low-loss unidirectional acoustic focusing transducers in thin-film lithium niobate. The design follows the anisotropy of fundamental symmetric (S0) waves in X-cut lithium niobate. The implemented acoustic delay line testbed… read more here.
Keywords: low loss; acoustic focusing; loss; unidirectional acoustic ... See more keywords
Research on the Processing Method of Acoustic Focusing Cavities Based on the Temperature Gradient
Sign Up to like & getrecommendations! Published in 2021 at "Applied Sciences"
DOI: 10.3390/app11125737
Abstract: Aiming at the key factors affecting the quality and efficiency of high-energy in-beam machining, this paper studies the broadband acoustic focusing effect based on a discrete temperature gradient. Firstly, the basic theory and mathematical model… read more here.
Keywords: temperature gradient; temperature; research processing; acoustic focusing ... See more keywords