Abstract #3649

Large volume distributed temperature measurements using MRI-compatible Raman spectroscopy

Paul de Bruin¹, Wouter Teeuwisse¹, Andrew Webb¹, and Rolf Hut²

¹Leiden University Medical Centre, Leiden, Netherlands, ²Technical University Delft, Delft, Netherlands

A new method of monitoring temperature non-invasively within an MRI scanner is introduced. This method is based on Raman backscattering, with the sensor consisting of a long length of thin optical fibre which can be arranged in any desired geometry. The major advantage over existing techniques is that a wide area of surface temperatures can be monitored simultaneously. Preliminary feasibility of the approach is shown here for localized and global temperature measurements.

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