Current status and future prospect of RPL glass dosimeter

Silver-activated phosphate glass has long been used as passive-type solid state dosimeter for both individual and environmental dose monitoring. The principle is classified as radio-photoluminescence (RPL) whose mechanism is different from TSL and OSL. The RPL dosimeter has excellent characteristics...

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Bibliographic Details
Published in:Radiation measurements 2020-08, Vol.136, p.106363, Article 106363
Main Authors: Yamamoto, Takayoshi, Yanagida-Miyamoto, Yuka, Iida, Toshiyuki, Nanto, Hidehito
Format: Article
Language:English
Subjects:
Bead-type
Build-up phenomena
Glass dosimeter (GD)
Radio-photoluminescence (RPL)
Real time measurement
Sheet-type
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Summary:Silver-activated phosphate glass has long been used as passive-type solid state dosimeter for both individual and environmental dose monitoring. The principle is classified as radio-photoluminescence (RPL) whose mechanism is different from TSL and OSL. The RPL dosimeter has excellent characteristics such as stable sensitivity, negligible fading and reliable repeatability in radiation dose measurement. In Japan it is named “Glass Badge” and has come into wide use in individual dose monitoring services. In order to contribute to restoration of the contaminated area in Fukushima new-type glass dosimeters have been developed and the fruits of this work have led to various applications. •The principle of radio-photoluminescence (RPL) is described.•Application of RPL to radiation dosimetry as glass badges is introduced.•The bead-type and sheet-type glass dosimeters are useful for restoration of Fukushima.•Lots of other applications are described such as real-time measurement and human phantom.
ISSN:1350-4487
1879-0925
DOI:10.1016/j.radmeas.2020.106363