Japanese Journal of Radiation Safety Management
Online ISSN : 1884-9512
Print ISSN : 1347-1503
ISSN-L : 1347-1503
Measurement of Spatial Dose Distribution of High Radiation Field by Radiophotoluminescence Photography
Tomonori OKUMURA, Tatsuro MAEKAWA, Naoki ZUSHI, Fuminobu SATO, Kikuo SHIMIZU, Isao MURATA, Yushi KATO, Takayoshi YAMAMOTO, Toshiyuki IIDA
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Keywords: radiophotoluminescence glass dosimeter, gated intensified CCD camera, spatial dose distribution of high radiation field
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2016 Volume 15 Issue 1 Pages 40-45

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Abstract
 Radiophotoluminescence (RPL) photography has been proposed for the measurement of the spatial dose distribution of high radiation fields. A pulsed UV LED floodlight was prepared as an excitation light source for the RPL photography. The fluorescence image of RPL material was observed by a gated intensified CCD camera. In a preliminary experiment, several tens of spherical RPL detectors were placed near an intense 60Co source. The pulsed UV-LED illuminator and the gated intensified camera were pulse-operated to obtain the RPL photograph of the spherical RPL detectors. The spatial dose distribution was calculated from the brightness values of obtained RPL images.
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© 2016 Japanese Society of Radiation Safety Managenent
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