JP2016153919A - 分光用の回折格子構造体 - Google Patents
分光用の回折格子構造体 Download PDFInfo
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- JP2016153919A JP2016153919A JP2016099401A JP2016099401A JP2016153919A JP 2016153919 A JP2016153919 A JP 2016153919A JP 2016099401 A JP2016099401 A JP 2016099401A JP 2016099401 A JP2016099401 A JP 2016099401A JP 2016153919 A JP2016153919 A JP 2016153919A
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- diffraction grating
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- 230000005540 biological transmission Effects 0.000 claims abstract description 159
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
- 208000032369 Primary transmission Diseases 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 38
- 239000000758 substrate Substances 0.000 description 24
- 238000004458 analytical method Methods 0.000 description 10
- 238000002834 transmittance Methods 0.000 description 9
- 230000010287 polarization Effects 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- 208000032370 Secondary transmission Diseases 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1833—Diffraction gratings comprising birefringent materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
-
- H01L31/02168—
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- H01L31/0236—
-
- H01L31/056—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Photovoltaic Devices (AREA)
- Spectrometry And Color Measurement (AREA)
- Optical Filters (AREA)
Abstract
Description
Claims (14)
- 基材及び回折格子から成る回折格子構造体であって、
前記回折格子が、交互に並んだリッジ部と溝とを含み、該リッジ部と溝とが、長方形の断面を有し、
前記交互に並んだリッジ部と溝とが、p=1.81λ〜1.87λの回折格子の周期、r=0.29〜0.39のフィルファクタ、及びh=1.25λ〜1.35λの回折格子の高さ、又はp=1.81λ〜1.87λの回折格子の周期、r=0.20〜0.30のフィルファクタ、及びh=1.30λ〜1.40λの回折格子の高さを画成する、回折格子構造体。 - 前記回折格子の屈折率が前記基材の屈折率よりも高い、請求項1に記載の回折格子構造体。
- 前記回折格子構造体の1次透過の角度が30°〜60°である、請求項2に記載の回折格子構造体。
- 前記1次透過の角度が50°であり、前記回折格子が二酸化チタンであり且つ前記基材が石英ガラスである、請求項3に記載の回折格子構造体。
- 青色を強めるためにλが450nmである、請求項1に記載の回折格子構造体。
- 緑色を強めるためにλが550nmである、請求項1に記載の回折格子構造体。
- 赤色を強めるためにλが700nmである、請求項1に記載の回折格子構造体。
- カップリング用途のためにλが1550nmである、請求項1に記載の回折格子構造体。
- 前記基材が石英ガラスであり、前記交互に並んだリッジ部と溝とが前記基材から延在し且つ石英ガラス/空気界面を形成する、請求項1に記載の回折格子構造体。
- 前記交互に並んだリッジ部と溝とが、p=1.84λの回折格子の周期、r=0.34のフィルファクタ、及びh=1.3λの回折格子の高さを画成する、請求項1に記載の回折格子構造体。
- 前記交互に並んだリッジ部と溝とが、p=1.84λの回折格子の周期、r=0.25のフィルファクタ、及びh=1.35λの回折格子の高さを画成する、請求項1に記載の回折格子構造体。
- 長方形の断面を有する溝及びリッジ部を備えた回折格子を提供するステップであって、交互に並んだ前記溝及びリッジ部が、p=1.81λ〜1.87λの回折格子の周期、r=0.29〜0.39のフィルファクタ、及びh=1.25λ〜1.35λの回折格子の高さ、又はp=1.81λ〜1.87λの回折格子の周期、r=0.20〜0.30のフィルファクタ、及びh=1.30λ〜1.40λの回折格子の高さを画成する、ステップと、
該回折格子に対してほぼ垂直に入射する無偏光の光ビームを提供するステップと、
該光ビームの0次透過における回折効率が最小となるように前記無偏光の光ビームを分けるステップと
を含む、光ビームを分ける方法。 - 1次透過の角度が少なくとも40°である、請求項12に記載の方法。
- 1次透過の角度が50°である、請求項12に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/638,334 US8675279B2 (en) | 2009-12-15 | 2009-12-15 | Grating structure for dividing light |
US12/638,334 | 2009-12-15 |
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JP2010279843A Division JP5940763B2 (ja) | 2009-12-15 | 2010-12-15 | 分光用の回折格子構造体 |
Publications (2)
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JP2016153919A true JP2016153919A (ja) | 2016-08-25 |
JP6189998B2 JP6189998B2 (ja) | 2017-08-30 |
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JP2010279843A Expired - Fee Related JP5940763B2 (ja) | 2009-12-15 | 2010-12-15 | 分光用の回折格子構造体 |
JP2015046256A Withdrawn JP2015135514A (ja) | 2009-12-15 | 2015-03-09 | 分光用の回折格子構造体 |
JP2016099401A Expired - Fee Related JP6189998B2 (ja) | 2009-12-15 | 2016-05-18 | 分光用の回折格子構造体 |
JP2017018383A Withdrawn JP2017138597A (ja) | 2009-12-15 | 2017-02-03 | 分光用の回折格子構造体 |
JP2018220460A Active JP6791935B2 (ja) | 2009-12-15 | 2018-11-26 | 分光用の回折格子構造体 |
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JP2015046256A Withdrawn JP2015135514A (ja) | 2009-12-15 | 2015-03-09 | 分光用の回折格子構造体 |
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JP2018220460A Active JP6791935B2 (ja) | 2009-12-15 | 2018-11-26 | 分光用の回折格子構造体 |
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US (2) | US8675279B2 (ja) |
JP (5) | JP5940763B2 (ja) |
Families Citing this family (13)
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US20140211314A1 (en) * | 2006-02-22 | 2014-07-31 | Optoplex Corporation | Efficiency of a deep grating |
US8072684B2 (en) * | 2010-01-25 | 2011-12-06 | Toyota Motor Engineering & Manufacturing North America, Inc. | Optical device using laterally-shiftable diffraction gratings |
FI125270B (en) * | 2012-09-20 | 2015-08-14 | Teknologian Tutkimuskeskus Vtt Oy | Optical device with diffractive grating |
BE1021974B1 (fr) * | 2013-09-03 | 2016-02-01 | Agc Glass Europe | Feuille de verre texturee a motifs rectilignes |
FR3023977B1 (fr) * | 2014-07-16 | 2017-11-24 | Thales Sa | Module photovoltaique comprenant une optique de concentration avec des motifs sub-longueurs d'onde et generateur solaire pour satellite comprenant ledit module |
WO2016185602A1 (ja) * | 2015-05-21 | 2016-11-24 | ナルックス株式会社 | 回折光学素子 |
US10468448B2 (en) * | 2017-11-30 | 2019-11-05 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor image sensor and method for forming the same |
CN108649091A (zh) * | 2018-04-25 | 2018-10-12 | 榆林学院 | 一种太阳能电池光伏组件 |
JP7266275B2 (ja) * | 2018-10-04 | 2023-04-28 | 国立研究開発法人理化学研究所 | 石英製の格子構造体および回折格子の製造方法 |
US10775158B2 (en) * | 2018-11-15 | 2020-09-15 | Applied Materials, Inc. | System and method for detecting etch depth of angled surface relief gratings |
KR102375853B1 (ko) * | 2019-04-25 | 2022-03-17 | 주식회사 엘지화학 | 회절 도광판 및 회절 도광판의 제조 방법 |
WO2020218784A1 (ko) * | 2019-04-25 | 2020-10-29 | 주식회사 엘지화학 | 회절 도광판 및 회절 도광판의 제조 방법 |
WO2021020337A1 (ja) * | 2019-07-26 | 2021-02-04 | 富士フイルム株式会社 | バックライトユニットおよび液晶表示装置 |
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2009
- 2009-12-15 US US12/638,334 patent/US8675279B2/en not_active Expired - Fee Related
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2010
- 2010-12-15 JP JP2010279843A patent/JP5940763B2/ja not_active Expired - Fee Related
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2014
- 2014-01-31 US US14/169,656 patent/US9500785B2/en not_active Expired - Fee Related
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2015
- 2015-03-09 JP JP2015046256A patent/JP2015135514A/ja not_active Withdrawn
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2016
- 2016-05-18 JP JP2016099401A patent/JP6189998B2/ja not_active Expired - Fee Related
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2017
- 2017-02-03 JP JP2017018383A patent/JP2017138597A/ja not_active Withdrawn
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2018
- 2018-11-26 JP JP2018220460A patent/JP6791935B2/ja active Active
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JP6791935B2 (ja) | 2020-11-25 |
JP2011128619A (ja) | 2011-06-30 |
JP2017138597A (ja) | 2017-08-10 |
JP6189998B2 (ja) | 2017-08-30 |
US9500785B2 (en) | 2016-11-22 |
US8675279B2 (en) | 2014-03-18 |
JP2019113836A (ja) | 2019-07-11 |
JP5940763B2 (ja) | 2016-06-29 |
US20110139234A1 (en) | 2011-06-16 |
US20140144506A1 (en) | 2014-05-29 |
JP2015135514A (ja) | 2015-07-27 |
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