Polarimetric sensitivity of a three-mode elliptical-core fiber to strain

Ewa Chmielewska; Waclaw Urbanczyk

doi:10.1117/12.568908

22 July 2004 Polarimetric sensitivity of a three-mode elliptical-core fiber to strain

Ewa Chmielewska, Waclaw Urbanczyk

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.

Citation Download Citation

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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