Journal
BIOMEDICAL OPTICS EXPRESS
Volume 5, Issue 6, Pages 1799-1811Publisher
OPTICAL SOC AMER
DOI: 10.1364/BOE.5.001799
Keywords
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Funding
- Marie Curie IEF action [MC-IEF-299985]
- Science Foundation Ireland RFP [10/RFP/ECE2898]
- Fondazione Cura Mini-Invasiva Tumori ONLUS
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A linearly chirped fiber Bragg grating (LCFBG) has been used as a temperature sensor for online monitoring of radiofrequency thermal ablation (RFTA). The LCFBG acts as a distributed sensor, with spatial resolution of 75 mu m. A white-light setup that records the LCFBG spectrum estimates the temperature profile in real time. Three RFTA experiments have been performed ex-vivo on porcine liver measuring the radial temperature distribution during the heating process. The analysis of thermal maps quantifies the spatial heat distribution along the measurement axis and determines the ablation efficiency. (C) 2014 Optical Society of America
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