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Optical detection of ultrasound at a distance using a confocal Fabry–Perot interferometer

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1063/1.96411
AuthorSearch for: 1
Affiliation
  1. National Research Council Canada
FormatText, Article
Abstract
A novel scheme to detect ultrasonic motion at the surface of a solid sample is presented. The surface of the sample is illuminated by a laser and the light scattered by the surface is received by a confocal Fabry–Perot interferometer which demodulates the Doppler shift produced by ultrasound. Experimental results, obtained at a distance of 1.5 m from a machined but not polished steel plate, and excited by ultrasound produced by a laser pulse, are presented.
Publication date
PublisherAIP
In
  • Applied Physics Letters 47, no. 1: 14–16.
LanguageEnglish
Peer reviewedYes
NPARC number23004097
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Record identifier60dc5bcb-9e50-4152-893e-6d3fce82ceda
Record created2018-09-27
Record modified2020-03-17
Date modified: