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Fiber-optic chirped FBG for distributed thermal monitoring of ex-vivo radiofrequency ablation of liver
Date
2014
Abstract
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 μm. 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. ©2014 Optical Society of America
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Description
peer-reviewed
Publisher
Optical Society of America
Citation
Biomedical Optics Express;5 (6), pp. 1799-1811
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Tosi_2014_fiberoptic.pdf
Adobe PDF, 1.87 MB
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Funding Information
Marie Curie-Sklodowska Action (MCSA), Science Foundation Ireland (SFI)