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26 August 2010 Novel approach for simultaneous measurement of strain and temperature using a single tapered fiber Bragg grating
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Abstract
A novel approach for simultaneous measurement of strain and temperature with a single tapered fiber Bragg grating is proposed. This method is based on the fact that the reflectivity at central wavelength of FBG reflection changes with chirp (strain gradient). A diode laser is locked to the central wavelength of FBG reflection. Central wavelength of the FBG shifts with temperature. Change in reflectivity & wavelength of the diode laser were used to measure strain and temperature on the FBG respectively.
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Mahesh Kondiparthi "Novel approach for simultaneous measurement of strain and temperature using a single tapered fiber Bragg grating", Proc. SPIE 7813, Remote Sensing System Engineering III, 78130P (26 August 2010); https://doi.org/10.1117/12.871276
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