Device for characterizing an interface of a structure and corresponding device
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United States of America Patent
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Apr 2, 2019
Grant Date -
Feb 16, 2017
app pub date -
Apr 24, 2015
filing date -
Apr 30, 2014
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Abstract
The present invention relates to a device (1) for characterizing an interface of a structure (6), said structure (6) comprising a solid first material and a second material, the materials being separated by said interface. The device (1) comprises:
- means (2) for generating a first mechanical wave;means (2) for forming Brillouin oscillations;means (10) for detecting time variation of the Brillouin oscillations;means (12) for responding to the time variation of the Brillouin oscillations to identify reflection of said first mechanical wave by said interface or transmission through said interface of a second mechanical wave interfering with the first mechanical wave; andmeans (13) for determining the variation in amplitude of the Brillouin oscillations before and after reflection or transmission by said interface.
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