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Conceptual design of imaging bolometer for use of computed tomography in JT-60SA
https://repo.qst.go.jp/records/48539
https://repo.qst.go.jp/records/48539394cb63b-25ae-4982-9eb6-d1d1207d67f9
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-02-22 | |||||
タイトル | ||||||
タイトル | Conceptual design of imaging bolometer for use of computed tomography in JT-60SA | |||||
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_6501 | |||||
資源タイプ | journal article | |||||
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 |
佐野, 竜一
× 佐野, 竜一× 向井清史× Peterson, Byron× 福本, 正勝× 星野, 一生× 佐野 竜一× 福本 正勝× 星野 一生 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An InfraRed imaging Video Bolometer (IRVB) system in JT-60SA has been designed for the two-dimensional (2D) Computed Tomography (CT) analysis of radiation. To achieve complete viewing of the whole poloidal cross section for plasmas having a low aspect ratio, a new IRVB concept, which has two sets of a pin-hole camera systems viewing two different directions, has been introduced. Fields of View (FoVs) of the IRVB have been successfully designed by moving apertures to be sufficient for CT use without installation in tangential ports. The size of the aperture, which determines the width of the sightline of the IRVB channels, has also been optimized with respect to the reconstruction error with well-established solvers of tomography. The optimization indicates that the 7 mm square aperture is the best for this system and the CT measurement without this optimization can become degraded. A synthetic image using an estimated radiation profile shows that the Signal to Noise (S/N) ratio of the designed IRVB is large enough to identify the incident radiation power. The result indicates that the designed IRVB can be used for the 2D CT measurement of radiation in JT-60SA. | |||||
書誌情報 |
Review of Scientific Instruments 巻 88, 号 5, p. 053506-1-053506-10, 発行日 2017-05 |
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出版者 | ||||||
出版者 | AIP Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0034-6748 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.4983779 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://scitation.aip.org/content/aip/journal/rsi/88/5/10.1063/1.4983779 | |||||
関連名称 | http://scitation.aip.org/content/aip/journal/rsi/88/5/10.1063/1.4983779 |