Characterization of Multiple-bend Optical Fiber Extensometer Design for Landslide Sensor

Authors

  • Aldo Novaznursyah Costrada Department of Physics, Faculty of Mathematics and Natural Science, Universitas Andalas, Padang., Indonesia
  • Sixtinah Deswilan Department of Physics, Faculty of Mathematics and Natural Science, Universitas Andalas, Padang., Indonesia
  • Badrul Mustafa Kemal Department of Civil Engineering, Faculty of Engineering, Universitas Andalas, Padang., Indonesia
  • Harmadi Harmadi Department of Physics, Faculty of Mathematics and Natural Science, Universitas Andalas, Padang., Indonesia

DOI:

https://doi.org/10.25077/jif.13.1.1-7.2021

Abstract

Design of multiple-bend extensometer based on optical fiber as landslide sensor has been characterized. Multiple-bending characterization has been done by varying the winding number of optical fiber FD-620-10 to obtain the photodiode's effective light intensity.  The light intensity in the extensometer was set by varying the laser diode resistance in the range (150 – 250) Ω.  The optimum sensitivity of 0.03984 V/cm was obtained for triple winding of optical fiber. The designed optical extensometer is able to monitor the displacement with an error of 0.59%. This result indicates that the designed extensometer is the more bending on optical fiber, the more its sensitivity and the bending loss.

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References

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Published

2021-02-28

How to Cite

Costrada, A. N., Deswilan, S., Kemal, B. M., & Harmadi, H. (2021). Characterization of Multiple-bend Optical Fiber Extensometer Design for Landslide Sensor. JURNAL ILMU FISIKA, 13(1), 1–7. https://doi.org/10.25077/jif.13.1.1-7.2021

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Research Article

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