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28 September 2015 Multi FBG femtosecond laser inscription in FPI based pressure sensors for temperature distribution
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96342N (2015) https://doi.org/10.1117/12.2190008
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
Abstract
We present in this paper an optical fiber pressure and temperature sensor (OFPTS) with multi Fibre Bragg Grating (FBG) array. The sensor based on an extrinsic Fabry Perot interferometer and is fabricated from silica glass. A femtosecond laser (FSL) was used to inscribe multiple FBGs proximately close to the diaphragm, parallel to each other. This concepts allows a chain of FBGs with miniature active length which can be a significant important tool for medical application, like radio frequency ablation (RFA) cancer treatment.
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Sven Poeggel, Dinesbabu Duraibabu, Amedee Lacraz, Kyriacos Kalli, Daniele Tosi, Gabriel Leen, and Elfed Lewis "Multi FBG femtosecond laser inscription in FPI based pressure sensors for temperature distribution", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96342N (28 September 2015); https://doi.org/10.1117/12.2190008
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