Acoustic radiation force on micrometer-size particles

K. Yasuda, T. Kamakura

研究成果: Article査読

41 被引用数 (Scopus)

抄録

The acoustic radiation force on micrometer-sized polystyrene spheres was measured through observation of the sphere movement in a 500 kHz ultrasonic standing wave. The known spatial distribution of the force allowed verification of the correlation between the sphere velocity and the force. It was found that the linear dependency of the force on the cube of the sphere radius, as predicted by Yosioka, began to fail when the sphere radius was below 5 μm. This can be accounted for by the presence of a shell layer surrounding the sphere, which increased the effective radius of the sphere. This may point to applications of the acoustic radiation force in the handling of moicrospheres smaller than hitherto thought possible.

本文言語English
ページ(範囲)1771-1773
ページ数3
ジャーナルApplied Physics Letters
71
13
DOI
出版ステータスPublished - 1997 9 29
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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