A novel fiber Bragg grating wavelength demodulation system based on F-P etalon

Gang Yang; Jinghong Guo; Guoliang Xu; Lidong Lv; Guojie Tu; Lan Xia

doi:10.1117/12.2071859

24 October 2014 A novel fiber Bragg grating wavelength demodulation system based on F-P etalon

Gang Yang, Jinghong Guo, Guoliang Xu, Lidong Lv, Guojie Tu, Lan Xia

Proceedings Volume 9270, Optoelectronic Devices and Integration V; 92700V (2014) https://doi.org/10.1117/12.2071859
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

This paper designs and implies a high precision FBG demodulation system which based on F-P etalon. In order to reduce the influence of the temperature drift effect, the peristaltic effect, and the nonlinear effect of F-P filter in traditional tunable filter method, F-P etalon is added as dynamical calibration and wavelength reference. Meanwhile segmentation demodulation which uses ASE spectral characteristics is applied to achieve high accuracy of the center wavelength of FBG. The experiment shows that the stability, resolution are 0.65pm, 0.23pm, respectively. Key words: fiber optics; fiber Bragg grating sensor system; tunable Fabry-Perot filter; F-P etalon; spectrum segmentation demodulation

Citation Download Citation

Gang Yang, Jinghong Guo, Guoliang Xu, Lidong Lv, Guojie Tu, and Lan Xia "A novel fiber Bragg grating wavelength demodulation system based on F-P etalon", Proc. SPIE 9270, Optoelectronic Devices and Integration V, 92700V (24 October 2014); https://doi.org/10.1117/12.2071859

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