JP7427387B2 - 光学素子 - Google Patents
光学素子 Download PDFInfo
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- JP7427387B2 JP7427387B2 JP2019147611A JP2019147611A JP7427387B2 JP 7427387 B2 JP7427387 B2 JP 7427387B2 JP 2019147611 A JP2019147611 A JP 2019147611A JP 2019147611 A JP2019147611 A JP 2019147611A JP 7427387 B2 JP7427387 B2 JP 7427387B2
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- 230000003287 optical effect Effects 0.000 title claims description 85
- 238000003475 lamination Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 356
- 239000010408 film Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 19
- 239000011347 resin Substances 0.000 description 17
- 229920005989 resin Polymers 0.000 description 17
- 239000010954 inorganic particle Substances 0.000 description 15
- 230000035945 sensitivity Effects 0.000 description 13
- 238000004088 simulation Methods 0.000 description 11
- 239000002131 composite material Substances 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000011856 silicon-based particle Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- SKJCKYVIQGBWTN-UHFFFAOYSA-N (4-hydroxyphenyl) methanesulfonate Chemical compound CS(=O)(=O)OC1=CC=C(O)C=C1 SKJCKYVIQGBWTN-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/118—Anti-reflection coatings having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/003—Light absorbing elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
[第1実施形態]
[第2実施形態]
[第3実施形態]
[第4実施形態]
[第5実施形態]
積層体Pは、全体として、平面視において円形状をなしている。積層体Pの中央部分には、平面視で円形状の第1のペア層群7Aが配置され、積層体Pの外縁部分には、第1のペア層群7Aを囲むように、平面視で環形状の第2のペア層群7Bが配置されている。
[変形例]
[テラヘルツ波の波長と屈折率層の厚さとの関係についての考察]
Claims (6)
- テラヘルツ波に対する屈折率が互いに異なる第1屈折率層及び第2屈折率層を含む積層体を備え、
前記積層体は、前記第1屈折率層と前記第2屈折率層とからなるペア層が複数積層されたペア層群を有し、
前記第1屈折率層の厚さ及び前記第2屈折率層の厚さは、いずれも前記テラヘルツ波の波長よりも小さく、
前記ペア層のそれぞれは、前記第1屈折率層と前記第2屈折率層との厚さの比に応じて前記テラヘルツ波に対する所定の実効屈折率を有し、
前記積層体を支持する本体部を更に有し、
前記積層体において、前記テラヘルツ波に対する第1の実効屈折率を有する第1のペア層群と、前記テラヘルツ波に対する第2の実効屈折率を有する第2のペア層群とが交互に積層され、
前記第1屈折率層の厚さ及び前記第2屈折率層の厚さは、いずれも当該光学素子に入射する前記テラヘルツ波の波長の1/10以下となっている光学素子。 - テラヘルツ波に対する屈折率が互いに異なる第1屈折率層及び第2屈折率層を含む積層体を備え、
前記積層体は、前記第1屈折率層と前記第2屈折率層とからなるペア層が複数積層されたペア層群を有し、
前記ペア層群は、前記第1屈折率層と前記第2屈折率層の厚さとの比が互いに等しい複数のペア層を含み、
前記ペア層のそれぞれは、前記第1屈折率層と前記第2屈折率層との厚さの比に応じて前記テラヘルツ波に対する所定の実効屈折率を有し、
前記第1屈折率層の厚さ及び前記第2屈折率層の厚さは、いずれも当該光学素子に入射する前記テラヘルツ波の波長の1/10以下となっている光学素子。 - 前記積層体を支持する本体部を更に有し、
前記ペア層群において、前記テラヘルツ波に対する前記ペア層の実効屈折率が前記本体部に近いペア層であるほど前記テラヘルツ波に対する前記本体部の屈折率に近づく請求項2記載の光学素子。 - 前記積層体を支持する本体部を更に有し、
前記ペア層群において、前記テラヘルツ波に対する前記ペア層の実効屈折率が互いに等しくなっている請求項2記載の光学素子。 - 前記積層体において、前記テラヘルツ波に対して互いに異なる実効屈折率を有する複数のペア層群が前記ペア層の積層方向に交差する方向に分布している請求項2記載の光学素子。
- 前記第1屈折率層の厚さ及び前記第2屈折率層の厚さは、いずれも当該光学素子に入射する前記テラヘルツ波の波長の1/100以下となっている請求項1~5のいずれか一項記載の光学素子。
Priority Applications (4)
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JP2019147611A JP7427387B2 (ja) | 2019-08-09 | 2019-08-09 | 光学素子 |
US16/984,497 US20210041600A1 (en) | 2019-08-09 | 2020-08-04 | Optical element |
CN202010783557.2A CN112346157A (zh) | 2019-08-09 | 2020-08-06 | 光学元件 |
JP2023198545A JP2024009218A (ja) | 2019-08-09 | 2023-11-22 | 光学素子 |
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JP2019147611A JP7427387B2 (ja) | 2019-08-09 | 2019-08-09 | 光学素子 |
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JP2023198545A Division JP2024009218A (ja) | 2019-08-09 | 2023-11-22 | 光学素子 |
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JP2021028673A JP2021028673A (ja) | 2021-02-25 |
JP7427387B2 true JP7427387B2 (ja) | 2024-02-05 |
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JP (2) | JP7427387B2 (ja) |
CN (1) | CN112346157A (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000150950A (ja) | 1998-11-17 | 2000-05-30 | Nec Corp | 導波路型受光素子 |
US20070258029A1 (en) | 2004-12-15 | 2007-11-08 | Fujifilm Corporation | Phase Difference Compensator, Light Modurating System, Liquid Crystal Display and Liquid Crystal Projector |
JP2007322738A (ja) | 2006-05-31 | 2007-12-13 | Murata Mfg Co Ltd | テラヘルツ帯光学フィルタ、その設計方法および製造方法 |
JP2011221391A (ja) | 2010-04-13 | 2011-11-04 | Asahi Glass Co Ltd | テラヘルツ帯用光学素子 |
JP2015172617A (ja) | 2014-03-11 | 2015-10-01 | 日本真空光学株式会社 | テラヘルツ帯光学素子 |
Family Cites Families (12)
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JPS60216301A (ja) * | 1984-04-11 | 1985-10-29 | Canon Inc | 半導体薄膜レンズ |
JPS59201003A (ja) * | 1983-04-28 | 1984-11-14 | Canon Inc | 半導体薄膜レンズ |
US4583822A (en) * | 1984-10-31 | 1986-04-22 | Rockwell International Corporation | Quintic refractive index profile antireflection coatings |
JPH06160921A (ja) * | 1992-11-24 | 1994-06-07 | Nippon Steel Corp | 光結合素子及び波長変換器 |
JP4274147B2 (ja) * | 2004-06-18 | 2009-06-03 | ソニー株式会社 | 光学多層膜及び反射型スクリーン |
WO2007077658A1 (ja) * | 2005-12-28 | 2007-07-12 | Murata Manufacturing Co., Ltd. | テラヘルツ帯光学フィルタ、その設計方法および製造方法 |
FR2937425B1 (fr) * | 2008-10-22 | 2010-12-31 | Commissariat Energie Atomique | Structure de filtrage optique en longueur d'onde et capteur d'images associe |
CN103064141B (zh) * | 2013-01-28 | 2015-06-03 | 中国科学院苏州纳米技术与纳米仿生研究所 | 太赫兹带通滤波器 |
JP6432270B2 (ja) * | 2014-10-14 | 2018-12-05 | 岩崎電気株式会社 | 波長選択フィルター及び光照射装置 |
CN109521504B (zh) * | 2017-09-20 | 2021-02-05 | 苏州大学 | 一种太赫兹波吸收结构 |
CN109975905B (zh) * | 2017-12-28 | 2022-06-24 | Agc株式会社 | 近红外线截止滤波器 |
CN118190158A (zh) * | 2019-03-06 | 2024-06-14 | 松下知识产权经营株式会社 | 光检测装置、光检测系统及滤波器阵列 |
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2019
- 2019-08-09 JP JP2019147611A patent/JP7427387B2/ja active Active
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2020
- 2020-08-04 US US16/984,497 patent/US20210041600A1/en active Pending
- 2020-08-06 CN CN202010783557.2A patent/CN112346157A/zh active Pending
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- 2023-11-22 JP JP2023198545A patent/JP2024009218A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000150950A (ja) | 1998-11-17 | 2000-05-30 | Nec Corp | 導波路型受光素子 |
US20070258029A1 (en) | 2004-12-15 | 2007-11-08 | Fujifilm Corporation | Phase Difference Compensator, Light Modurating System, Liquid Crystal Display and Liquid Crystal Projector |
JP2007322738A (ja) | 2006-05-31 | 2007-12-13 | Murata Mfg Co Ltd | テラヘルツ帯光学フィルタ、その設計方法および製造方法 |
JP2011221391A (ja) | 2010-04-13 | 2011-11-04 | Asahi Glass Co Ltd | テラヘルツ帯用光学素子 |
JP2015172617A (ja) | 2014-03-11 | 2015-10-01 | 日本真空光学株式会社 | テラヘルツ帯光学素子 |
Non-Patent Citations (1)
Title |
---|
Iwao Hosako,"Multilayer optical thin films for use at terahertz frequencies: method of fabrication",Applied Optics,2005年06月20日,Vol. 44, No. 18,p. 3769-3773,https://opg.optica.org/ao/fulltext.cfm?uri=ao-44-18-3769&id=84288 |
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CN112346157A (zh) | 2021-02-09 |
US20210041600A1 (en) | 2021-02-11 |
JP2021028673A (ja) | 2021-02-25 |
JP2024009218A (ja) | 2024-01-19 |
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