Preliminary characterization of metal-packaged fiber Bragg gratings under fatigue loading

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Abstract

This paper presents preliminary results for metal-packaged fiber Bragg grating strain and temperature sensors designed specifically for structural health monitoring in civil engineering applications. The laboratory experiments show that the in-house manufactured metal-packaged sensors are sufficiently resilient, under dynamic loading, to successfully undergo a million cycle fatigue test without adverse deterioration in performance. In addition, from the thermal characterization of the devices, a conclusion can be drawn that the metal-packaged sensors offer superior performance over sensors assembled using epoxy bonding. These early results are very promising, inspiring confidence in the adopted methodologies, and giving the mandate to proceed with more detailed laboratory testing to evaluate reliability and lifetime of the transducers in the future work.

Original languageEnglish
Title of host publication2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)
Place of PublicationPiscataway, NJ.
PublisherIEEE
Number of pages4
ISBN (Electronic)9781509035960
DOIs
Publication statusPublished - 5 Jul 2017
Event2017 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2017 - Torino, Italy
Duration: 22 May 201725 May 2017

Conference

Conference2017 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2017
CountryItaly
CityTorino
Period22/05/1725/05/17

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Keywords

  • fatigue loading
  • Fiber Bragg grating sensors
  • metallic encapsulation
  • optical strain sensors
  • optical temperature sensors

Cite this

Fusiek, G., Rubert, T., Niewczas, P., McAlorum, J., & Perry, M. (2017). Preliminary characterization of metal-packaged fiber Bragg gratings under fatigue loading. In 2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) [7969945] Piscataway, NJ.: IEEE. https://doi.org/10.1109/I2MTC.2017.7969945