publication . Preprint . 2013

Optical measurement of acoustic radiation pressure of the near-field acoustic levitation through transparent object

Nakamura, Satoshi; Furusawa, Toshiaki; Sasao, Yasuhiro; Katsura, Kogure; Naoki, Kondo;
Open Access English
  • Published: 28 May 2013
Abstract
It is known that macroscopic objects can be levitated for few to several hundred micrometers by near-field acoustic field and this phenomenon is called near-field acoustic levitation (NFAL). Although there are various experiments conducted to measure integrated acoustic pressure on the object surface, up to now there was no direct method to measure pressure distribution. In this study we measured the acoustic radiation pressure of the near-field acoustic levitation via pressure-sensitive paint.
Subjects
free text keywords: Physics - Instrumentation and Detectors, Physics - Optics
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1) Christina M. McGraw, Hari Shroff, Gamal Khalil, James B. Callis : A device for testing oxygen sensors and films, Rev. Sci. Instrum. Vol.74 Num.12 (2003)

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