Recovery methods for temperature distribution using fiber Bragg grating

W. Wójcik; P. Kisała; G. Mantyka; K. Sobańska

doi:10.1117/12.804531

13 June 2008 Recovery methods for temperature distribution using fiber Bragg grating

W. Wójcik, P. Kisała, G. Mantyka, K. Sobańska

Proceedings Volume 7120, Optical Fibers and Their Applications 2008; 71200Q (2008) https://doi.org/10.1117/12.804531
Event: Optical Fibers and Their Applications 2008, 2008, Bialowieza, Poland

Abstract

In this work the conception of the fiber Bragg grating (FBG) application in the capacity of the temperature distribution sensor, on the grating length, is presented. In the method of temperature distribution measurement, by using of FBG element, the key issue is an estimation of the grating periods distribution (and connected with this estimation - temperature distribution) from measured grating transmission spectrum (an inverse problem). The article presents measurements results used for evaluation of selected methods for solving an inverse problem, which can be used in temperature distribution recovery from FBG spectrum. We have also presented utility evaluation results of the selected methods for numerical solution of the inverse problem for temperature distribution recovery.

Citation Download Citation

W. Wójcik, P. Kisała, G. Mantyka, and K. Sobańska "Recovery methods for temperature distribution using fiber Bragg grating", Proc. SPIE 7120, Optical Fibers and Their Applications 2008, 71200Q (13 June 2008); https://doi.org/10.1117/12.804531

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KEYWORDS

Fiber Bragg gratings

Inverse problems

Temperature metrology

Algorithms

Data modeling

Mathematical modeling

Sensors

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