Optical-fiber strain sensors with asymmetric etched structures.

  title={Optical-fiber strain sensors with asymmetric etched structures.},
  author={Masoud Vaziri and Chin Lung Chen},
  journal={Applied optics},
  volume={32 31},
Optical-fiber strain gauges with asymmetric etched structures have been analyzed, fabricated, and tested. These sensors are very sensitive with a gauge factor as high as 170 and a flat frequency response to at least 2.7 kHz. The gauge factor depends on the asymmetry of the etched structures and the number of etched sections. To understand the physical principles involved, researchers have used structural analysis programs based on a finite-element method to analyze fibers with asymmetric etched… CONTINUE READING

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