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KMID : 1151820180120010079
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Journal of the Korean Society of Radiology
2018 Volume.12 No. 1 p.79 ~ p.83
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Measuring Absorbed Dose from Medical X-ray Equipment Using Optically Stimulated Luminescence Dots
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Jung Sook-Jin
Jin Gye-Hwan
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Abstract
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In this paper, we measured and analyzed the dose correction factor, absorbed dose linearity, peak voltage X-ray response, angular dependence. Exposure dose correction factor, absorbed dose linearity, and peak voltage linearity using the medical X-ray generator were all in accordance with IEC-62387-1 (2007). The reference to the dosimetry direction at 0, 30, and 60 degrees relative to baseline radiation exposure was -29% (± 30 °) and + 67% (± 60 °). The values measured at 30 ° were -8% lower than the standard and -18% lower than the standard at 60 °. Therefore, the effect of direction should be corrected when using OSL dot dosimeter.
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KEYWORD
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OSL Dots, Low Energy X-Ray, Dose Correction Factor, Absorbed Dose Linearity, Peak Voltage X-Ray Response, Angular Dependence
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