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20 May 2013 Measurements of intermodal sensitivity of a two-mode holey fiber to strain, temperature, and hydrostatic pressure
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Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87940O (2013) https://doi.org/10.1117/12.2025799
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland
Abstract
The intermodal sensitivity of a two-mode birefringent holey fiber to strain, temperature and hydrostatic pressure is measured in the spectral domain. In an experimental setup comprising a broadband source, a polarizer, a twomode birefringent holey fiber under a variable physical parameter, an analyzer and a compact spectrometer, the spectral interferograms are resolved. These are characterized by the equalization wavelength at which spectral interference fringes have the largest period due to the zero group optical path difference between the fundamental, the LP01 mode and the higher-order, the LP11 mode. The spectral interferograms are processed to retrieve the phase as a function of the wavelength. From the retrieved phase functions corresponding to different values of the physical parameter, the intermodal sensitivity as a function of wavelength is obtained. Using this approach, the intermodal sensitivity to strain, temperature and hydrostatic pressure is measured for two orthogonal (x and y) polarizations.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Kadulová, P. Hlubina, J. Olszewski, T. Martynkien, P. Mergo, and W. Urbańczyk "Measurements of intermodal sensitivity of a two-mode holey fiber to strain, temperature, and hydrostatic pressure", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87940O (20 May 2013); https://doi.org/10.1117/12.2025799
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