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17 May 2011 Liquid crystal long-period fiber grating as a sensing element for electric field and temperature measurements
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Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77536L (2011) https://doi.org/10.1117/12.887546
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada
Abstract
The main goal of the presented work is to integrate a long-period fiber grating (LPFG) and liquid crystal (LC) material into a hybrid structure, called an LC-LPFG, in order to develop innovative devices for sensing physical quantities. For this purpose we used specially designed low-birefringence LC mixtures whose ordinary refractive index is lower than that of silica in a certain range of temperatures. This combination allowed us to dynamically change the propagation properties of the cladding modes in the LC-LPFGs by varying the temperature and the electric field. This design of LC-LPFGs exhibits extraordinary sensing properties.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Aleksandra Czapla, Wojtek J. Bock, Tomasz Woliński, Roman Dąbrowski, and Edward Nowinowski-Kruszelnicki "Liquid crystal long-period fiber grating as a sensing element for electric field and temperature measurements", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77536L (17 May 2011); https://doi.org/10.1117/12.887546
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