Smart fastener and smart insert for a fastener using fiber Bragg gratings to measure strain and temperature
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United States of America Patent
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Apr 30, 2013
Grant Date -
Dec 30, 2010
app pub date -
Jan 26, 2010
filing date -
Jan 30, 2009
priority date (Note) -
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Abstract
A measurement device including a fastener for use in attaching a first member to a second member, in which the fastener has an aperture extending through a length of the fastener, and a first optical fiber located within the aperture, in which the first optical fiber includes at least one fiber Bragg grating sensor. At least a portion of the first optical fiber can be secured within the aperture. A first end of the first optical fiber can be connected to an associated first optical connector and a second end of the first optical fiber can be connected to an associated second optical connector.
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