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Evaluation and Application of a High-Resolution Fiber-Optic Strain Sensor

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We evaluated the measuring capabilities of a high-resolution fiber-optic strain sensor based on a miniaturized Fabry-Perot interferometer (FPI). We designed an opto-mechanical setup to experimentally evaluate theoretical analyses and verify its reliability. High-resolutions are needed to testing performance of new designs. Sensors must not alter design intent and be immune to electromagnetic interference. After calibration, results indicate a gage factor on the order of 40mV/236229, proving the capabilities of the fiber FPI for high-resolution measurements of strain. The fiber FPI has been proven to provide high-resolution measurements in conditions where conventional strain sensors may fail to provide reliable results.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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  • E-project-042810-230859
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Year
  • 2010
Date created
  • 2010-04-28
Location
  • Wuhan
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