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19 April 2013 Microparticle transport and concentration with surface acoustic waves
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Abstract
We describe lithium niobate SAW devices and PDMS microfluidic channels with which we study microparticle movement. We generate standing surface acoustic waves (with wavelengths of 200 micrometers) and show that microparticles (between 5 and 35 micrometers in diameter) move to nodes or antinodes. We report measurements of device response in the presence and absence of the microfluidic channel, which we combine with finite element simulation modeling to extract estimates of the PDMS damping.
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Irving J. Oppenheim, Erin R. Dauson, David W. Greve, and Kelvin B. Gregory "Microparticle transport and concentration with surface acoustic waves", Proc. SPIE 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, 86921D (19 April 2013); https://doi.org/10.1117/12.2008936
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