@misc{oai:repo.qst.go.jp:00071750,
 author = {Hara, Yousuke and Furukawa, Takuji and Mizushima, Kota and Noda, Koji and Saotome, Naoya and Shirai, Toshiyuki and Takeshita, Eri and Tansho, Ryohei and Saraya, Yuichi and 原 洋介 and 古川 卓司 and 水島 康太 and 野田 耕司 and 早乙女 直也 and 白井 敏之 and 竹下 英里 and 丹正 亮平 and 皿谷 有一},
 month = {Sep},
 note = {For quality assurance (QA) of therapeutic ion beams, QA tool having high spatial resolution and quick verification is required. The imaging system with a fluorescent screen is suitable for QA procedure. We developed a quick verification system (NQA-SCN) using a fluorescent screen with a charge-coupled device (CCD) camera for the sake of two dimensional dosimetry. In carbon-ion therapy, the fluorescent light is decreased by suffering from quenching effect due to the increased linear energy transfer (LET) in the Bragg peak. For the use of three-dimensional dose verification, we performed a simple correction for quenching effect and several types of corrections for the optical artifact. In addition, NQA-SCN is attached with an accordion-type water phantom which makes it possible to easily change measurement depth. To evaluate the performance of NQA-SCN, we carried out experiments concerning QA procedures. In my presentation, we provide correction methods and detailed analysis of measured results., The 3rd International Beam Instrumentation Coference (IBIC2014)},
 title = {Development of three-dimensional dose verification system using a fluorescent screen in ion beam therapy},
 year = {2014}
}