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28 September 2015 Integrated liquid-filled directional coupler for temperature sensing
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963454 (2015) https://doi.org/10.1117/12.2194450
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
Abstract
A silicon nitride directional coupler filled with toluene is proposed as temperature sensor. This liquid material has a high thermo-optic coefficient, which allows large variations on its refractive index in function of temperature variations. Simulations were performed to obtain the sensor's sensitivities, which measured on the output ports (P2, P3) of the structure are 0:11392= °C and 0:11499= °C, respectively.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Felipe C. Salgado and Danilo H. Spadoti "Integrated liquid-filled directional coupler for temperature sensing", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963454 (28 September 2015); https://doi.org/10.1117/12.2194450
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