WEKO3
アイテム
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Development of three-dimensional dose verification system using a fluorescent screen in ion beam therapy
https://repo.qst.go.jp/records/71750
https://repo.qst.go.jp/records/7175029553398-840a-4200-be4b-f72f3de3ce29
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-06-30 | |||||
タイトル | ||||||
タイトル | Development of three-dimensional dose verification system using a fluorescent screen in ion beam therapy | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Hara, Yousuke
× Hara, Yousuke× Furukawa, Takuji× Mizushima, Kota× Noda, Koji× Saotome, Naoya× Shirai, Toshiyuki× Takeshita, Eri× Tansho, Ryohei× Saraya, Yuichi× 原 洋介× 古川 卓司× 水島 康太× 野田 耕司× 早乙女 直也× 白井 敏之× 竹下 英里× 丹正 亮平× 皿谷 有一 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 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. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The 3rd International Beam Instrumentation Coference (IBIC2014) | |||||
発表年月日 | ||||||
日付 | 2014-09-17 | |||||
日付タイプ | Issued |