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Development of a flat-field spectrometer with a wideband Ni/C multilayer grating in the 1-3.5 keV range
https://repo.qst.go.jp/records/54781
https://repo.qst.go.jp/records/54781f5c6c617-38a8-4120-a6d2-ec79eb47f358
Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2017-07-04 | |||||
タイトル | ||||||
タイトル | Development of a flat-field spectrometer with a wideband Ni/C multilayer grating in the 1-3.5 keV range | |||||
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_5794 | |||||
資源タイプ | conference paper | |||||
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 |
今園, 孝志
× 今園, 孝志× 今園 孝志 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To develop a flat-field spectrometer with coverage of the 1–3.5 keV range, a wideband Ni/C multilayer grating was invented. The multilayer consists of two kinds of layer structures. One is a conventional periodic multilayer of thickness D1 = 5.6 nm, Ni thickness ratio to the multilayer period γ1 = 0.5 and the number of layers N1 = 79. Both the first and last layers are Ni. The other is a C/Ni bilayer of D2 = 8.4 nm, γ2 = 0.53 and N2 = 2. The first layer is C and then Ni. The aperiodic multilayer from the topmost C/Ni bilayer was coated on a laminar-type grating having an effective grating constant of 1/2400 mm, groove depth of 2.8 nm, and duty ratio (land width/groove period) of 0.5. In a preliminary experiment, the diffraction efficiency was in excess of 0.8% in the energy range of 2.1-3.3 keV and the maximum of 5.4% at 3.1 keV at a constant angle of incidence of 88.54°, which is considerably higher than that of an Au-coated grating before deposition of the multilayer. | |||||
書誌情報 |
AIP Conference Proceedings 巻 1741, 号 1, p. 040044-1-040044-4, 発行日 2016-07 |
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出版者 | ||||||
出版者 | AIP Publishing | |||||
ISBN | ||||||
識別子タイプ | ISBN | |||||
関連識別子 | 978-0-7354-1398-6 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.4952916 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://aip.scitation.org/doi/abs/10.1063/1.4952916 | |||||
関連名称 | http://aip.scitation.org/doi/abs/10.1063/1.4952916 |