Difference between revisions of "OSLs"

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Radiation dose profiling of the TriMeV accelerator at the Idaho Accelerator Center (IAC) began with an array of Optically Stimulated Luminescence dosimeters (OSLs). The plastic casing of the OSLs are an average of 10.09mm in width with a standard deviation of 0.01mm, 9.99mm in height with a standard deviation of 0.02mm, and 1.96mm in depth with a standard deviation of 0.02mm. The OSL crystal is made of carbon doped aluminum oxide and is 5.01mm in diameter on average. This leads to an average surface area of 19.68 square mm.  
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To determine the average dose per pulse of the 25b linac at the Idaho Accelerator Center, Nanodot Optically Stimulated Luminescence Dosimeters (OSLs) are employed. Nanodot OSLs are 1cm by 1cm plastic squares with an inlaid, circular carbon-doped aluminum oxide crystal. The average diameter of the crystals is 0.501cm with a thickness of 0.03cm, as listed by the manufacturer. ''Thickness could not be tested without destruction of the OSLs at the current time''
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The OSLs are dosed with a single shot from the TriMeV accelerator and the analyzed in the OSL reader. The OSL reader uses a photomultiplier tube, OSL sensitivity as determined by the manufacturer, and a calibration factor to determine the dose.
 
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Revision as of 04:40, 6 June 2018

To determine the average dose per pulse of the 25b linac at the Idaho Accelerator Center, Nanodot Optically Stimulated Luminescence Dosimeters (OSLs) are employed. Nanodot OSLs are 1cm by 1cm plastic squares with an inlaid, circular carbon-doped aluminum oxide crystal. The average diameter of the crystals is 0.501cm with a thickness of 0.03cm, as listed by the manufacturer. Thickness could not be tested without destruction of the OSLs at the current time




Mounted Array for 50cm Shot.JPG




Thesis

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