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Highly birefringent microstructured fibers with enhanced sensitivity to hydrostatic pressure
Tadeusz Martynkien1, Gabriela Statkiewicz-Barabach, Jacek Olszewski
1Institute of Physics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland. tadeusz.martynkien@pwr.wroc.pl
Optics Express
|July 20, 2010
Summary
New birefringent microstructured fibers show a fivefold increase in pressure sensitivity. These advanced optical fibers are ideal for developing novel hydrostatic pressure measurement systems.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Microstructured fibers offer unique optical properties.
- Polarimetric sensitivity is crucial for sensor development.
Purpose of the Study:
- To design and manufacture novel birefringent microstructured fibers.
- To enhance polarimetric sensitivity to hydrostatic pressure.
- To evaluate the potential for hydrostatic pressure measurement systems.
Main Methods:
- Fiber design and manufacturing.
- Experimental characterization of polarimetric sensitivity.
- Finite element simulations for validation.
Main Results:
- Achieved a 5-fold increase in polarimetric sensitivity to hydrostatic pressure.
- Measured sensitivity exceeding -43 rad/MPa x m at 1.55 microm.
- Demonstrated good agreement between simulations and experimental results.
- Observed very low sensitivity to temperature.
Conclusions:
- The developed fibers exhibit significantly enhanced pressure sensitivity.
- Low temperature sensitivity makes them suitable for pressure sensing.
- These fibers are promising candidates for microstructured fiber-based hydrostatic pressure measurement systems.
