JP2021529981A - 光ファイバのメタ表面及び関連方法 - Google Patents
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
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- G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
-
- 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
- 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
- G02B1/007—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 made of negative effective refractive index materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/024—Optical fibres with cladding with or without a coating with polarisation maintaining properties
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
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- 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
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
- G02F1/3132—Digital deflection, i.e. optical switching in an optical waveguide structure of directional coupler type
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- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/294—Variable focal length devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
Description
本出願は、2018年6月19日に出願された米国仮特許出願第62/686,765号の利益を主張し、当該出願は参照によって本明細書に組み込まれる。
このような位相プロファイルによって、入射される平面波面は球状なものに変換され、焦点長さにおいて収束する。式(1)における固定された操作波長λ、φ(r、λ)は、各メタ表面要素内の位相変調として幾何学的位相を利用することによって取得することができる。円偏光の入射光と共鳴するメタ表面要素18の回転によって幾何学的位相を発生させる。有利に、メタ表面は、25±1μmのコア直径を有する純シリカで形成されたLMA−25等、大きいコアを有する比較的ラージモードエリア(LMA)PDF光ファイバ上に形成されてもよい。PCFの大きいコア面積によって、メタ表面アレー16上により多くのメタ表面要素8(例えば、1000+)を形成することができ、従来のシングルモードファイバを超えた集光性を達成する位相プロファイルを提供する。
Claims (21)
- 面を有する光ファイバであって、
前記光ファイバの面に係合されたメタ表面を有し、
前記メタ表面は複数のメタ表面要素のメタ表面アレーを有し、
前記メタ表面要素は、データに対して複数の回転角度において配置され、
前記光ファイバを通過する光は、それぞれの前記メタ表面要素の回転角度において、前記メタ表面要素を通過することができる、光ファイバ。 - 前記メタ表面は、印加された電圧に反応して、前記メタ表面要素を通過する光の特性を変調する、請求項1に記載の光ファイバ。
- 前記メタ表面は、印加された電圧に反応して、前記メタ表面要素を通過する光の焦点長さ、方向、位相シフト、振幅、波長またはそれらの組み合わせを変更するように、前記メタ表面を変調する、請求項1に記載の光ファイバ。
- 前記メタ表面は、導電体層を有し、
前記メタ表面要素は、前記導電体層の深さの少なくとも一部を通じて形成される、請求項1に記載の光ファイバ。 - 前記メタ表面は、金属層、絶縁層、伝導性酸化物層を有し、
前記伝導性酸化物層は印加された電圧に反応する、請求項1に記載の光ファイバ。 - 前記メタ表面アレーは、前記メタ表面要素を通過する光を円偏光させるように構成される、請求項1に記載の光ファイバ。
- 前記メタ表面は、前記メタ表面から焦点長さにおける焦点に光を集光するように構成される、請求項1に記載の光ファイバ。
- 前記メタ表面アレーは、前記メタ表面要素の周囲に第1アレー列を、前記データに対して固定された回転角度において配置された複数の前記メタ表面要素と共に、有する、請求項1に記載の光ファイバ。
- 面を有する光ファイバであって、
前記光ファイバの面に係合されたメタ表面を有し、
前記メタ表面は、前記光ファイバからの光が通過できる複数のメタ表面要素のメタ表面アレーを有し、
前記メタ表面要は、前記メタ表面要素を通過する光の特性を変調するように印加された電圧に反応するように構成される、光ファイバ。 - 前記メタ表面は、印加された電圧に反応して、前記メタ表面要素を通過する光の焦点長さ、方向、位相シフト、振幅、波長またはそれらの組み合わせを変更するように、前記メタ表面を変調する、請求項9に記載の光ファイバ。
- 前記メタ表面は、導電体層を有し、
前記メタ表面要素は、前記導電体層の深さの少なくとも一部を通じて形成される、請求項9に記載の光ファイバ。 - 前記メタ表面は、金属層、絶縁層、伝導性酸化物層を有し、
前記伝導性酸化物層は、印加された電圧に反応し、前記伝導性酸化物層の性能特性を変更する、請求項9に記載の光ファイバ。 - 前記メタ表面要素は、データに対する複数の回転角度において配置され、
前記光ファイバを通過する光は、それぞれの前記メタ表面要素の回転角度において前記メタ表面要素を通過することができる、請求項9に記載の光ファイバ。 - 前記メタ表面アレーは、前記メタ表面要素を通過する光を円偏光させるように構成される、請求項9に記載の光ファイバ。
- 光ファイバから出る入射光を変更する方法であって、
光を、前記光ファイバの面上に形成された複数のメタ表面要素を有するメタ表面を通過させることと、
前記メタ表面要素の直前の光と比較して、前記メタ表面要素を通過する光の特性を変更することと、
を有する、方法。 - 光の特性を変更することは、前記メタ表面要素を通過する光の焦点長さ、方向、位相シフト、振幅、波長またはそれらの組み合わせを変更することを有する、請求項15に記載の方法。
- 光の特性を変更することは、前記メタ表面に電圧を印加することを有する、請求項15に記載の方法。
- 前記メタ表面に電圧を印加することは、前記メタ表面の部分に複数の電圧を印加することを有する、請求項17に記載の方法。
- 前記メタ表面要素は、データに対して複数の回転角度において配置され、
前記光ファイバを通過する光を、それぞれの回転角度において前記メタ表面要素を通過させることをさらに有する、請求項15に記載の方法。 - 前記メタ表面要素を通過する光を、焦点に収束させることをさらに有する、請求項19に記載の方法。
- 前記メタ表面アレーは、前記メタ表面要素を通過する光を円偏光させる、請求項15に記載の方法。
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US201862686765P | 2018-06-19 | 2018-06-19 | |
US62/686,765 | 2018-06-19 | ||
PCT/US2019/037605 WO2019246012A1 (en) | 2018-06-19 | 2019-06-18 | Metasurface on optical fiber and related method |
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CN (1) | CN112567268A (ja) |
AU (1) | AU2019288154A1 (ja) |
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US11237103B2 (en) * | 2018-05-31 | 2022-02-01 | Socovar Sec | Electronic device testing system, electronic device production system including same and method of testing an electronic device |
US11888233B2 (en) * | 2020-04-07 | 2024-01-30 | Ramot At Tel-Aviv University Ltd | Tailored terahertz radiation |
CN115698791A (zh) * | 2020-05-29 | 2023-02-03 | 贝勒大学 | 光纤上的可调谐纳米电路和波导系统及方法 |
CN113820853B (zh) * | 2020-06-18 | 2022-09-23 | 华为技术有限公司 | 多平面光转换器的加工方法和多平面光转换器 |
CN112649915B (zh) * | 2020-12-25 | 2022-08-02 | 东北石油大学 | 一种支持114个oam模式传输的光子晶体光纤 |
CN112965171B (zh) * | 2021-02-05 | 2022-12-20 | 华南师范大学 | 光纤准直器制作方法 |
US11982885B2 (en) * | 2021-07-20 | 2024-05-14 | Huawei Technologies Co., Ltd. | Electrically tunable metasurface |
CN113884468B (zh) * | 2021-09-30 | 2023-08-08 | 北京理工大学 | 一种基于超颖表面的光纤湿度传感器及其制作方法 |
WO2024008792A1 (en) * | 2022-07-08 | 2024-01-11 | Ams-Osram Ag | Critical dimension measurements of metasurfaces |
CN115349806B (zh) * | 2022-08-04 | 2024-05-07 | 精微视达医疗科技(苏州)有限公司 | 一种基于超透镜的超细胆胰管光学探头 |
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CN115903130B (zh) * | 2022-11-28 | 2023-09-01 | 之江实验室 | 基于逆向设计的超表面透镜锥型波导及其波前整形方法 |
CN116430490A (zh) * | 2023-04-13 | 2023-07-14 | 湖南科技大学 | 一种石墨烯-介电超表面结构、可切换图形阵列及其应用 |
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US20190383982A1 (en) | 2019-12-19 |
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EP3811126A1 (en) | 2021-04-28 |
CN112567268A (zh) | 2021-03-26 |
US10838129B2 (en) | 2020-11-17 |
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