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Polarimetric optical fiber sensors of a new generation for industrial applications

100%
Woliński T. R., Lesiak P., Domański A. W.
Bulletin of the Polish Academy of Sciences: Technical Sciences
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2008
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vol. 56
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issue 2
2
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Longitudinal Strain Induced Birefringence in Highly Birefringent Fiber for Dynamic Compensation of Polarization Mode Dispersion

100%
Domański A., Lesiak P., Woliński T.
Acta Physica Polonica A
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2003
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vol. 103
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issue 2-3
221-227
EN
The paper addresses a compensation method of polarization mode dispersion based on longitudinal strain applied to a highly birefringent fiber introduced as apart from optical fiber link. As an introduction a short overview of the polarization mode dispersion compensation methods known up-to-now is done. Dependence of polarization mode dispersion on longitudinal strain is discussed. Some results of experiment with birefringence changes due to longitudinal strain in the bow-tie highly birefringent fiber necessary for dynamic polarization mode dispersion are presented.
3
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Polarimetric and Bragg Optical Fiber Sensors for Stress Distribution and Temperature Measurements in Composite Materials

76%
Lesiak P., Szeląg M., Mileńko K., Woliński T., Domański A., Jędrzejewski K., Boczkowska A.
Acta Physica Polonica A
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2011
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vol. 120
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issue 4
698-701
EN
Composite structures are made from two or more constituent materials with significantly different physical or chemical properties and they remain separate and distinct in a macroscopic level within the finished structure. This feature allows us for introducing an optical fiber sensors matrix into the composite material. These sensors can demonstrate stress distribution inside a tested material influenced by external tensions. Two types of the optical fiber sensors, placed into one fiber simultaneously, are used as s matrix structure. One of them is based on application of the Bragg grating structure written inside the core of the fiber. Longitudinal stress modifies changes parameters of the Bragg grating and in the same, spectral characteristics of the light transmitted through the fiber. The second one is based on application of highly birefringent fibers which under external stress introduce polarization changes in the output light. These sensors placed into one fiber give a possibility to the measure two external tensions separately.
4
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Influence of Angular Orientation of the Embedded Highly Birefringent Fiber on PMD Changes under Axial Stress

64%
Budaszewski D., Lesiak P., Plaga R., Rajan G., Semenova Y., Farrell G., Boczkowska A., Domański A., Woliński T.
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EN
In the paper we present results of the research on polarization mode dispersion changes inside the polarimetric optical fiber sensors based on highly birefringent optical fibers embedded into composite materials with different angular orientations of the optical axes. Based on measurements made for different types of highly birefringent optical fiber sensors we have shown that strain sensitivities after lamination process are different in comparison to the data obtained before lamination. Our results indicate that polarization mode dispersion in side-hole highly birefringent fibers under axial stress strongly depends on fiber orientation in the composite material suggesting that orientation of the polarization axes of the highly birefringent fiber can be responsible for behavior of the fiber inside the composite material.
5
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Polarimetric Optical Fiber Sensors for Dynamic Strain Measurement in Composite Materials

52%
Domański A., Bieda M., Lesiak P., Makowski P., Szeląg M., Poczęsny T., Prokopczuk K., Sobotka P., Chychłowski M., Sierakowski M., Woliński T.
Acta Physica Polonica A
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2013
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vol. 124
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issue 3
399-401
EN
Polarimetric optical fiber sensors possess possibility of temperature compensation, dynamic and integral system of strain monitoring, as well as low cost of photo-detecting elements. In the paper we present results of the sensor analysis with different kinds of birefringent optical fibers leading to an optimal setup for dynamic strain monitoring in composite materials. A great attention is put on parameters of the light sources like coherence and width of spectrum and their influence on dynamics of the strain sensor.
6
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Comparison of Bragg and Polarimetric Optical Fiber Sensors for Stress Monitoring in Composite Materials

52%
Domanski A., Lesiak P., Milenko K., Budaszewski D., Chychlowski M., Ertman S., Tefelska M., Wolinski T., Jedrzejewski K., Lewandowski L., Jasiewicz W., Helsztynski J., Boczkowska A.
Acta Physica Polonica A
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2009
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vol. 116
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issue 3
294-297
EN
Composite structures are made of two or more components with significantly different physical or chemical properties and they remain separate and distinct in a macroscopic level within the finished structure. This feature allows for introducing optical fiber sensors into the composite material. These sensors can demonstrate stress distribution inside tested material influenced by external tensions. Two types of the optical fiber sensors are used as the 3D structure. One of them is based on application of fiber Bragg grating inside the core of the fiber. Longitudinal stress changes parameters of the Bragg grating and simultaneously, spectral characteristics of the light transmitted through the fiber. The second one is based on application of highly birefringent fibers which, under external stress, introduce polarization changes of the output light.
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