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28 August 2019Strain sensing in rapidly rotating mechanical structures
A concept for fiber optic measurement of strain in rotating structures where the fiber cannot access the central rotation axis is described. Various interrogation techniques are considered, and the use of a fast spectrometer-based interrogator is preferred. An automated algorithm for optical alignment while the structure is rotating is described.
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S. Zilberman, G. Berkovic, Ehud Shafir, R. Alimi, Z. Wies, I. Shmueli, Y. Ben-Hemo, "Strain sensing in rapidly rotating mechanical structures," Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 111990A (28 August 2019); https://doi.org/10.1117/12.2539676