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Multiple fiber loop strain rosettes in a single fiber using high resolution distributed sensing

Short Summary
Simple, circular loops in a single optical fiber bonded to a metal test sample are used to form multiple strain gauge rosettes. Using this technique, multiple rosettes can be formed in a single fiber to created distributed measurements of principal strains.
Abstract

Simple, circular loops in a single optical fiber   bonded to a metal test sample are used to form multiple strain gauge rosettes. 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. 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 unaltered low-bend-loss optical fiber.  Using this technique, multiple rosettes can be formed in a single fiber to created distributed measurements of principal strains.

Citation
D. K. Gifford et al., "Multiple Fiber Loop Strain Rosettes in a Single Fiber Using High Resolution Distributed Sensing," IEEE Sensors J., vol. 12, no. 1, pp. 55-63, Jan. 2012.
Link
Multiple fiber loop strain rosettes in a single fiber using high resolution distributed sensing

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Flame Detection/Characterization
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Currency Validation
Audio Processing
Counting
Light Level Sensing
Position Sensing Solutions
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Forum
Conflict Mineral Policy
ISO Certificate
Purchase Order quality clauses
Sales
Contact Sales for more information.
Terms & Conditions