Optical fiber instrument system for detecting and decoupling twist effects
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United States of America Patent
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Apr 22, 2014
Grant Date -
Dec 20, 2012
app pub date -
Aug 24, 2012
filing date -
Apr 20, 2007
priority date (Note) -
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Abstract
An instrument system that includes an elongate body, an optical fiber, and a detector is provided. The elongate body is capable of being twisted. The optical fiber includes a first portion coupled to the elongate body and a second portion having a curved shape adapted to reduce transfer of twisting or bending from the elongate body to the second portion, the second portion having a strain sensor provided thereon. The detector is coupled to the optical fiber and adapted to receive a signal from the strain sensor.
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