Sensitivity of Bragg grating imprinted in a three-mode elliptical core fiber to temperature and to strain

Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003. Pub Date : 2003-06-29 DOI:10.1109/ICTON.2003.1264635

E. Chmielewska, W. Urbańczyk, P. Hlubina

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Abstract

Sensing characteristics of Bragg grating imprinted in a three-mode elliptical core fiber were investigated in details. The grating sensitivities to temperature and to strain were measured for each polarization and spatial mode. The experimental results show that the grating sensitivity to temperature and strain is almost identical for all modes. We also modeled the sensitivity of the host elliptical core fiber to these two parameters. We noticed relatively good agreement between the sensitivities of the grating determined in our experiment and the calculated sensitivities of the host fiber for respective modes.

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三模椭圆芯光纤中的布拉格光栅对温度和应变的敏感性

详细研究了三模椭圆芯光纤印迹布拉格光栅的传感特性。测量了光栅在不同偏振模式和空间模式下对温度和应变的灵敏度。实验结果表明，在所有模态下，光栅对温度和应变的灵敏度几乎相同。我们还建立了宿主椭圆芯光纤对这两个参数的灵敏度模型。我们注意到在我们的实验中确定的光栅的灵敏度和计算的主光纤对各自模式的灵敏度之间有比较好的一致性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.

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