JP7474103B2 - 光学素子の製造方法、及び、光学素子 - Google Patents
光学素子の製造方法、及び、光学素子 Download PDFInfo
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- JP7474103B2 JP7474103B2 JP2020071532A JP2020071532A JP7474103B2 JP 7474103 B2 JP7474103 B2 JP 7474103B2 JP 2020071532 A JP2020071532 A JP 2020071532A JP 2020071532 A JP2020071532 A JP 2020071532A JP 7474103 B2 JP7474103 B2 JP 7474103B2
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- 230000003287 optical effect Effects 0.000 title claims description 83
- 238000004519 manufacturing process Methods 0.000 title claims description 43
- 239000000758 substrate Substances 0.000 claims description 61
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 33
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 26
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 22
- 235000012239 silicon dioxide Nutrition 0.000 claims description 18
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 13
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 13
- 239000004408 titanium dioxide Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 239000003989 dielectric material Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- 238000000231 atomic layer deposition Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- 238000004380 ashing Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
Images
Classifications
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- 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
- G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
- G02F1/133507—Films for enhancing the luminance
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
Description
Claims (7)
- 基板上に、前記基板と対向する第一面と前記第一面の反対側に位置する第二面とを有する接合層を形成することと、
前記接合層の前記第二面上にレジスト層を形成することで、前記レジスト層によって覆われた第一部分と前記レジスト層から露出した第二部分とを前記第二面に形成することと、
前記レジスト層が前記第二面上に設けられている状態において誘電体を堆積することで、前記第二部分を覆うと共に前記レジスト層に接する誘電体層を形成することと、
前記誘電体層を形成した後に前記レジスト層を取り除くことによって、前記誘電体からなる複数の構造体を前記接合層の前記第二面上に形成することと、を有し、
前記接合層と前記構造体とは、同一の材料によって形成される、光学素子の製造方法。 - 各前記構造体は、前記第二面に交差する第一方向に前記第二面から延在する柱形状に形成される、請求項1に記載の光学素子の製造方法。
- 各前記構造体は、前記第二面に沿った第二方向における各前記構造体の最大長さが200nm以下になるように形成される、請求項1又は2に記載の光学素子の製造方法。
- 各前記構造体は、前記第二面に交差する第一方向における各前記構造体の最大長さに対する、前記第二面に沿った第二方向における各前記構造体の最大長さの比率が0.06~0.40になるように形成される、請求項1~3のいずれか一項に記載の光学素子の製造方法。
- 前記複数の構造体は、前記第二面に二次元配列されるように形成され、
前記複数の構造体と当該複数の構造体の各々が設けられている前記接合層とによって、メタマテリアルが形成され、
前記メタマテリアルにおいて、互いに隣り合う前記構造体の各々が設けられている前記接合層は、互いに連続するように形成される、請求項1~4のいずれか一項に記載の光学素子の製造方法。 - 前記基板は、石英によって形成されている、請求項1~5のいずれか一項に記載の光学素子の製造方法。
- 前記接合層は、二酸化ハフニウム、二酸化チタン、二酸化ケイ素、窒化ケイ素、ケイ素、及びヒ化ガリウムの少なくとも1つによって形成され、
前記誘電体は、二酸化ハフニウム、二酸化チタン、二酸化ケイ素、窒化ケイ素、ケイ素、及びヒ化ガリウムの少なくとも1つを含んでいる、請求項1~6のいずれか一項に記載の光学素子の製造方法。
Priority Applications (2)
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JP2020071532A JP7474103B2 (ja) | 2020-04-13 | 2020-04-13 | 光学素子の製造方法、及び、光学素子 |
US17/226,662 US11977204B2 (en) | 2020-04-13 | 2021-04-09 | Method for producing optical element and optical element |
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JP2020071532A JP7474103B2 (ja) | 2020-04-13 | 2020-04-13 | 光学素子の製造方法、及び、光学素子 |
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JP2021167914A JP2021167914A (ja) | 2021-10-21 |
JP7474103B2 true JP7474103B2 (ja) | 2024-04-24 |
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Publication number | Priority date | Publication date | Assignee | Title |
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SG10202004257WA (en) * | 2015-11-24 | 2020-06-29 | Harvard College | Atomic layer deposition process for fabricating dielectric metasurfaces for wavelengths in the visible spectrum |
US11927769B2 (en) | 2022-03-31 | 2024-03-12 | Metalenz, Inc. | Polarization sorting metasurface microlens array device |
WO2023207891A1 (zh) * | 2022-04-25 | 2023-11-02 | 深圳迈塔兰斯科技有限公司 | 光学系统 |
Citations (2)
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JP2013120873A (ja) | 2011-12-08 | 2013-06-17 | Ricoh Co Ltd | 波長可変レーザ光源装置 |
US20150288318A1 (en) | 2013-09-11 | 2015-10-08 | Prf | Refractory plasmonic metamaterial absorber and emitter for energy harvesting |
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SG10202004257WA (en) | 2015-11-24 | 2020-06-29 | Harvard College | Atomic layer deposition process for fabricating dielectric metasurfaces for wavelengths in the visible spectrum |
WO2020101568A1 (en) * | 2018-11-15 | 2020-05-22 | Agency For Science, Technology And Research | Meta-lens structure and method of fabricating the same |
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- 2020-04-13 JP JP2020071532A patent/JP7474103B2/ja active Active
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JP2013120873A (ja) | 2011-12-08 | 2013-06-17 | Ricoh Co Ltd | 波長可変レーザ光源装置 |
US20150288318A1 (en) | 2013-09-11 | 2015-10-08 | Prf | Refractory plasmonic metamaterial absorber and emitter for energy harvesting |
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US20210318466A1 (en) | 2021-10-14 |
US11977204B2 (en) | 2024-05-07 |
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