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Strain measurements of a fiber loop rosette using high spatial resolution Rayleigh scatter distributed sensing

Short Summary
Strain rosettes are demonstrated using fiber loops and 160 micron spatial resolution strain.
Abstract

Strain is measured with high spatial resolution on fiber loops bonded to a metal test sample to form a fiber rosette. Strain measurements are made using an Optical Backscatter Reflectometer to detect changes in the phase of the Rayleigh Scatter of the fiber with 160 μm spatial resolution along the length of the fiber. Using this experimental set-up, applied strain levels as well as the axis along which the loads are applied are measured. Thermal gradients are also detected. The high spatial resolution and strain sensitivity of this technique enable highly functional fiber rosettes formed of small diameter loops of standard low-bend-loss optical fiber.

Citation
D. K. Gifford et al., "Strain Measurements of a Fiber Loop Rosette using High Spatial Resolution Rayleigh Scatter Distributed Sensing," Fourth European Workshop Optical Fibre Sensors, Porto, Portugal, 2010, pp. 765333-765333.
Link
Strain measurements of a fiber loop rosette using high spatial resolution Rayleigh scatter distributed sensing

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Light Level Sensing
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Contact Sales for more information.
Terms & Conditions