OPTICAL DEVICE FOR INTERFEROMETRIC ANALYSIS OF THE CONDITION OF THE INTERNAL SURFACE OF A TUBE
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United States of America Patent
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Issued Date -
May 7, 2015
app pub date -
Aug 13, 2012
filing date -
Aug 16, 2011
priority date (Note) -
Abandoned
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Abstract
The invention relates to an optical device for interferometric analysis of the condition of the internal surface of a tube (11). The device comprises an optical fibre (3), the free end of which is pointed and then bevelled at the single core thereof and the bevelled surface is metalised (10), such that only part of the surface of the fibre core participates in reflecting the incident beam perpendicularly to the axis of the fibre.
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