JP6579371B2 - ラミナー型回折格子 - Google Patents
ラミナー型回折格子 Download PDFInfo
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- JP6579371B2 JP6579371B2 JP2015166542A JP2015166542A JP6579371B2 JP 6579371 B2 JP6579371 B2 JP 6579371B2 JP 2015166542 A JP2015166542 A JP 2015166542A JP 2015166542 A JP2015166542 A JP 2015166542A JP 6579371 B2 JP6579371 B2 JP 6579371B2
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Description
ラミナー型ベース上に、
目的電磁波の浸透深さよりも厚い屈折率nmの金属膜が被覆され、
該金属膜の上に該目的電磁波の浸透深さよりも薄い屈折率noの酸化物膜が被覆されており、
1 > no > nmである
ことを特徴とする。
ラミナー型ベース上に、
目的電磁波の浸透深さよりも厚い屈折率nmの金属膜が被覆され、
該金属膜の上に該目的電磁波の浸透深さよりも薄い屈折率nfのフッ化物膜が被覆されており、
1 > nf > nmである
ことを特徴とする。
xd=λ/{2π√(n1 2sin2α−n2 2)} …(1)
2、12…金属層
13…酸化物層、フッ化物層
Claims (8)
- ラミナー型ベース上に、
目的電磁波の浸透深さよりも厚い屈折率nmの金属膜が被覆され、
該金属膜の上に該目的電磁波の浸透深さよりも薄い屈折率noの酸化物膜が被覆されており、
1 > no > nmである
ことを特徴とするラミナー型回折格子。 - 前記金属膜が金(Au)、白金(Pt)、ニッケル(Ni)のいずれかから成ることを特徴とする請求項1に記載のラミナー型回折格子。
- 前記金属膜が2種以上の異種の金属の膜が積層されたものであることを特徴とする請求項1又は2に記載のラミナー型回折格子。
- 前記酸化物膜が酸化チタン(TiO2)又は酸化セリウム(CeO2)から成ることを特徴とする請求項1〜3のいずれかに記載のラミナー型回折格子。
- ラミナー型ベース上に、
目的電磁波の浸透深さよりも厚い屈折率nmの金属膜が被覆され、
該金属膜の上に該目的電磁波の浸透深さよりも薄い屈折率nfのフッ化物膜が被覆されており、
1 > nf > nmである
ことを特徴とするラミナー型回折格子。 - 前記金属膜が金(Au)、白金(Pt)、ニッケル(Ni)のいずれかから成ることを特徴とする請求項5に記載のラミナー型回折格子。
- 前記金属膜が2種以上の異種の金属の膜が積層されたものであることを特徴とする請求項5又は6に記載のラミナー型回折格子。
- 前記フッ化物膜がフッ化リチウム(LiF)から成ることを特徴とする請求項5〜7のいずれかに記載のラミナー型回折格子。
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Publications (3)
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JP2017044556A JP2017044556A (ja) | 2017-03-02 |
JP2017044556A5 JP2017044556A5 (ja) | 2018-10-04 |
JP6579371B2 true JP6579371B2 (ja) | 2019-09-25 |
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US6749936B2 (en) * | 2001-12-20 | 2004-06-15 | Flex Products, Inc. | Achromatic multilayer diffractive pigments and foils |
JP2008090030A (ja) * | 2006-10-03 | 2008-04-17 | Japan Atomic Energy Agency | 高効率耐熱性多層膜回折格子 |
JP6700649B2 (ja) * | 2013-11-13 | 2020-05-27 | 株式会社島津製作所 | 回折格子 |
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