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5/17/2017  |   9:35 AM - 10:00 AM   |  3

Thermal characterization of materials via a Blu-ray based scanning fluorescence microscope

An increasing need for cleaner energy production has renewed interest in nuclear energy. To make nuclear energy safer, there is a need for thermal measurements of new materials, including nuclear fuels. Our project is a proposed sensor design based on a commercial Blu-ray player to provide spatially resolved measurements of thermal properties. Recent advancements in non-contact thermometry with quantum dot photoluminescence and improved accuracy of the reconstructed temperature with neural networks allow the thermal response of the material to be more accurately determined. Current methods are costly, and lack the spatial resolution to measure properties necessary to model the strong radial temperature variations in a nuclear fuel rod. We will make this thermal property instrument from a modified Blu-ray player to both sense and induce temperature changes in the materials at a fraction of the cost of other thermal characterization instruments. The motors in the Blu-ray player are also capable of the fine motor controlled required in these applications. The player’s infrared laser diode provides periodic heating to the sample, and its blue laser induces fluorescence in quantum dots on the sample’s surface. The photodiode in the player will capture the emitted light to determine the surface temperature after calibrating the device. Thermal wave models will relate the difference in the amplitude and phase of these waves to determine the thermal properties of the material.

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Sam Hayden (POC,Primary Presenter), BYU, sam.h.hayden@gmail.com;
Ryker Haddock (Co-Presenter), BYU, haddock.ryker@gmail.com;
Troy Munro (POC), BYU, troy.munro@byu.edu;






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