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22 July 2004 Polarimetric sensitivity of a three-mode elliptical-core fiber to strain
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Proceedings Volume 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II; (2004) https://doi.org/10.1117/12.568908
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, 2003, Wilga, Poland
Abstract
We measured polarimetric sensitivity of a three-mode elliptical-core fiber to strain for all spatial modes. Phase and group modal birefringence were also determined for all modes to fully characterize the investigated fiber. Experimental results show a very high difference in fiber sensitivity to strain versus mode order. It changes the sign from negative for E11 mode to positive for E31 mode. This effect can be potentially employed in polarimetric strain sensors. We also modeled all measured parameters using Optiwave BPM-Cad and Cosmos/M software packages. The measured values of phase and group modal birefringence agree well with those obtained from calculations for all spatial modes. Unfortunately, we observed poor agreement between experimental and calculated values of strain sensitivity, which is most probably caused by the lack of reliable material constants for SiO2/GeO2 glasses.
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Ewa Chmielewska and Waclaw Urbanczyk "Polarimetric sensitivity of a three-mode elliptical-core fiber to strain", Proc. SPIE 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, (22 July 2004); https://doi.org/10.1117/12.568908
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