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Proceedings Paper

Polarimetric sensitivity of a three-mode elliptical-core fiber to strain
Author(s): Ewa Chmielewska; Waclaw Urbanczyk
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Paper 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.

Paper Details

Date Published: 22 July 2004
PDF: 6 pages
Proc. SPIE 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, (22 July 2004); doi: 10.1117/12.568908
Show Author Affiliations
Ewa Chmielewska, Wroclaw Univ. of Technology (Poland)
Waclaw Urbanczyk, Wroclaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 5484:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II
Ryszard S. Romaniuk, Editor(s)

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