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Temperature and strain measurement by combining ILFE and bragg grating optical fiber sensors

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Abstract

This paper presents two optical fiber sensor configurations that are capable of simultaneously measuring temperature and strain. These sensor configurations use serial and parallel combinations of in-line fiber etalon (ILFE) and in-fiber Bragg grating sensors, along with wavelength division multiplexing concepts. The results obtained while simultaneously varying the temperature over 130°C and strain field over 1500 με showed favorable agreement with thermistors and resistance strain gages.

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Authors and Affiliations

  1. 3M Bragg Gratings Technologies, 206 West Newberry Road, 06002-1331, Bloomfield, CT

    H. Singh

  2. Smart Materials and Structures Research Center, University of Maryland, 20742, College Park, MD

    J. S. Sirkis (Associate Professor)

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  1. H. Singh
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  2. J. S. Sirkis
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Singh, H., Sirkis, J.S. Temperature and strain measurement by combining ILFE and bragg grating optical fiber sensors. Experimental Mechanics 37, 414–419 (1997). https://doi.org/10.1007/BF02317307

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  • DOI: https://doi.org/10.1007/BF02317307

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