Ultraviolet ray irradiation duration for the pre-exposure of Gafchromic EBT2

The strength and density change of the ultraviolet (UV) ray of Gafchromic EBT2 were investigated. Previous studies suggested that UV-A rays can be substituted for the x-ray double-exposure technique to correct Gafchromic EBT2’s non-uniformity error. In this study, we aimed to determine the appropria...

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Veröffentlicht in:	Polish journal of medical physics and engineering 2018-12, Vol.24 (2), p.189-193
Hauptverfasser:	Katsuda, Toshizo, Gotanda, Rumi, Gotanda, Tatsuhiro, Akagawa, Takuya, Tanki, Nobuyoshi, Kuwano, Tadao, Noguchi, Atsushi, Yabunaka, Kouichi
Format:	Artikel
Sprache:	eng
Schlagworte:	computed tomography Density Error analysis Error correction Exposure Gafchromic film Histograms Irradiation Light emitting diodes non-uniformity Nonuniformity Pixels radiation measurement Sleeves Substitutes Ultraviolet radiation ultraviolet rays
Online-Zugang:	Volltext
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