The paper deals with the analytical description of the sensitivity and dynamic characteristics of the birefringent fiber temperature response usable for realization of thermal field disturbance sensors. The response is given by changing the phase shift development between two polarization modes in birefringent fiber, caused by body heat transfer of different temperatures. The aim is to analyze sensitivity and dynamic behaviors, which are significant when optical fiber is used as a sensor of temperature field disturbance. The result shows a very good match with measured time responses, especially due to a specific arrangement for suppressing the influence of conduction and convection.
Martin Kyselak, Filip Dvorak, Cestmir Vlcek, and Jan Maschke, "Analysis of the sensitivity and dynamic characteristics of the birefringent fiber temperature response for realization of the thermal field disturbance sensor," Proc. SPIE 10528, Optical Components and Materials XV, 105280K (Presented at SPIE OPTO: January 30, 2018; Published: 22 February 2018); https://doi.org/10.1117/12.2289606.
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