Archivio Istituzionale della RicercaWe report a novel technique for estimating spatially distributed temperature profile, with a linearly chirped fiber Bragg grating (LCFBG) fiber-optic sensor, and its application in laser ablation of tissue. Our algorithm determines the temperature profile from LCFBG optical spectrum with sub-0.1mm resolution; a spectral flattening filter compensates for LCFBG spectral ripples, allowing operation with commercial gratings. A preliminary experimental analysis on LCFBG monitoring laser ablation of porcine liver has been carried out.
Linearly chirped fiber-optic Bragg grating as distributed temperature sensor for laser ablation / Korganbayev, Sanzhar; Zhakin, Nurlan; Tosi, Daniele; Gassino, Riccardo; Vallan, Alberto; Perrone, Guido; Napoleoni, Flavia; Schena, Emiliano; Saccomandi, Paola; Caponero, Michele. - STAMPA. - (2016), pp. 1-3. (Intervento presentato al convegno 15th IEEE Sensors Conference, SENSORS 2016 tenutosi a Orlando, FL, USA nel 30 Oct.-3 Nov. 2016) [10.1109/ICSENS.2016.7808610].
Linearly chirped fiber-optic Bragg grating as distributed temperature sensor for laser ablation
GASSINO, RICCARDO;VALLAN, Alberto;PERRONE, Guido;
2016
Abstract
We report a novel technique for estimating spatially distributed temperature profile, with a linearly chirped fiber Bragg grating (LCFBG) fiber-optic sensor, and its application in laser ablation of tissue. Our algorithm determines the temperature profile from LCFBG optical spectrum with sub-0.1mm resolution; a spectral flattening filter compensates for LCFBG spectral ripples, allowing operation with commercial gratings. A preliminary experimental analysis on LCFBG monitoring laser ablation of porcine liver has been carried out.
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https://hdl.handle.net/11583/2675158
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