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Proceedings Paper

Calibration of elongation of fiber Bragg gratings by laser interferometer
Author(s): Bretislav Mikel; Martin Cizek; Milan Holik; Ondrej Cip
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Paper Abstract

We present method of measurement of fiber Bragg gratings (FBG) stretching by laser interferometer. We are oriented to research, development and to methodology of the production and application of FBGs. The elongation of FBGs can calculated from frequency drift of the Bragg resonance wavelength and from the change of the grating period during stretching. The inhomogeneity of optical fibers and of the FBGs can induce change of the grating period (Bragg resonance wavelength) of FBG which can be nonlinear with elongation of the optical fiber with FBG. The calibration of FBGs will be used to preparation and to the realization of the technology of measurement of shape deformation of concrete buildings.

Paper Details

Date Published: 10 October 2013
PDF: 6 pages
Proc. SPIE 8916, Sixth International Symposium on Precision Mechanical Measurements, 89161I (10 October 2013); doi: 10.1117/12.2035731
Show Author Affiliations
Bretislav Mikel, Institute of Scientific Instruments (Czech Republic)
Martin Cizek, Institute of Scientific Instruments (Czech Republic)
Milan Holik, Brno Univ. of Technology (Czech Republic)
Ondrej Cip, Institute of Scientific Instruments (Czech Republic)


Published in SPIE Proceedings Vol. 8916:
Sixth International Symposium on Precision Mechanical Measurements
Shenghua Ye; Yetai Fei, Editor(s)

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