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1 Optica Applicata

1 Jian S.
1 Liu Y.
1 Ning T.
1 Pei L.
1 Tan Z.
1 Wang Q.
1 Zheng J.

1 2005

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Package for fiber Bragg gratings (FBG) and a comparative study on their polarization mode dispersion (PMD) at varying temperature

Ning T., Pei L., Liu Y., Tan Z., Wang Q., Zheng J., Jian S.

Optica Applicata

2005

Vol. 35, nr 2

277-282

A temperature-compensated material of fiber Bragg grating (FBG), which has negative thermal -expansion coefficient has been presented. The temperature coefficient of FBGs' center wavelength is less than 0.0005 nm/°C after three-layer-structure temperature-compensated package under tension. For the first time, PMD of FBG with and without temperature compensation has been detailedly studied and measured from -20 to 60°C. The measured result shows that the PMD changes a little at varying temperature, which means that the package did not affect the PMD characteristic of FBG.