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Measuring the atomic scattering factors near the iridium L-edges for the Athena silicon pore optics reflector
https://oist.repo.nii.ac.jp/records/2101
https://oist.repo.nii.ac.jp/records/2101a35ee877-61c0-4779-b093-5f862af00268
名前 / ファイル | ライセンス | アクション |
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014001_1 (2.0 MB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-05-19 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Measuring the atomic scattering factors near the iridium L-edges for the Athena silicon pore optics reflector | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | x-ray optics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Athena | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | silicon pore optics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | atomic scattering factors | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | iridium. | |||||
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 | |||||
著者(英) |
Awaki, Hisamitsu
× Awaki, Hisamitsu× Maeda, Yoshitomo× Matsumoto, Hironori× Svendsen, Sara× Bavdaz, Marcos× Collon, Maximilien× Asakura, Kazunori× Christensen, Finn E.× Ferreira, Desiree D. M.× Guainazzi, Matteo× Hoshino, Masato× Ide, Shuntaro× Ishibashi, Kazunori× Kan, Wansu× Massahi, Sonny× Miyazawa, Takuya× Shimizu, Sadayuki× Shortt, Brian× Takehara, Yusuke× Tamura, Keisuke× Uesugi, Kentaro× Willingale, Richard× Yoneyama, Tomokage× Yoshida, Atsushi |
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書誌情報 |
en : Journal of Astronomical Telescopes, Instruments, and Systems 巻 7, 号 1, p. 014001, 発行日 2021-01-06 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Athena, a future high-energy mission, is expected to consist of a large aperture x-ray mirror with a focal length of 12 m. The mirror surface is to be coated with iridium and a low Z overcoat. To define the effective area of the x-ray telescope, the atomic scattering factors of iridium with an energy resolution less than that (2.5 eV) of the x-ray integral field unit are needed. We measured the reflectance of the silicon pore optics mirror plate coated with iridium in the energy range of 9 to 15 keV and that near the iridium L-edges in steps of 10 and 1.5 eV, respectively, at the synchrotron beamline SPring-8. The L3, L2, and L1 edges were clearly detected around 11,215, 12,824, and 13,428 eV, respectively. The measured scattering factors were ∼3 % smaller than the corresponding values reported by Henke et al., likely due to the presence of an overlayer on the iridium coating, and were consistent with those measured by Graessle et al. The angular dependence of the reflectivity measured indicates that the iridium surface was extremely smooth, with a surface roughness of 0.3 nm. | |||||
出版者 | ||||||
出版者 | SPIE | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2329-4124 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2329-4221 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1117/1.JATIS.7.1.014001 | |||||
権利 | ||||||
権利情報 | © The Author(s). | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.spiedigitallibrary.org/journals/Journal-of-Astronomical-Telescopes-Instruments-and-Systems/volume-7/issue-01/014001/Measuring-the-atomic-scattering-factors-near-the-iridium-L-edges/10.1117/1.JATIS.7.1.014001.full?SSO=1 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |