JP2019184782A - ファラデー回転子、光アイソレータ、及びファラデー回転子の製造方法 - Google Patents
ファラデー回転子、光アイソレータ、及びファラデー回転子の製造方法 Download PDFInfo
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- C01F17/00—Compounds of rare earth metals
- C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
- C01F17/32—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 oxide or hydroxide being the only anion, e.g. NaCeO2 or MgxCayEuO
- C01F17/34—Aluminates, e.g. YAlO3 or Y3-xGdxAl5O12
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B19/00—Liquid-phase epitaxial-layer growth
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B19/00—Liquid-phase epitaxial-layer growth
- C30B19/02—Liquid-phase epitaxial-layer growth using molten solvents, e.g. flux
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B19/00—Liquid-phase epitaxial-layer growth
- C30B19/02—Liquid-phase epitaxial-layer growth using molten solvents, e.g. flux
- C30B19/04—Liquid-phase epitaxial-layer growth using molten solvents, e.g. flux the solvent being a component of the crystal composition
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B19/00—Liquid-phase epitaxial-layer growth
- C30B19/06—Reaction chambers; Boats for supporting the melt; Substrate holders
- C30B19/062—Vertical dipping system
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B19/00—Liquid-phase epitaxial-layer growth
- C30B19/12—Liquid-phase epitaxial-layer growth characterised by the substrate
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/28—Complex oxides with formula A3Me5O12 wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
-
- 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
- G02F1/0009—Materials therefor
- G02F1/0036—Magneto-optical materials
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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
- G02F1/01—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
- G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
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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
- G02F1/01—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
- G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/093—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 magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
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- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
白金ルツボの中に、Tb4O7:3.9mol%、Lu2O3:0.1mol%、Al2O3:37.0mol%、BaCo3:38.0mol%、B2O3:21.0mol%の比率で、原料及びフラックスを入れて、1300℃で溶融させ、攪拌した。その後、1040℃まで降温して、直径3インチ、厚み1.0mmのY3Al5O12(YAG)結晶から成る基板を原料溶液の液面に浸漬させて、1040℃から1020℃に降温させながら結晶をエピタキシャル成長させた。
実施例1と同様に液相エピタキシャル成長によって結晶を育成し、そのベルデ定数と光透過率を測定した。結晶育成の諸条件、及び、ベルデ定数と光透過率の測定結果を表1〜5に示す。
102 ファラデー回転子
103 磁石
104 偏光子
105 検光子
Claims (10)
- (Tb3−x−yRxBiy)Al5O12(Rは、Y,Er,Yb,Luから選ばれた1種以上の元素であり、0<x、0≦yである)で表されるガーネット型結晶から成るファラデー回転子。
- (Tb3−x−yRxBiy)Al5O12(Rは、Y,ランタノイド(La,Ce,Pr,Nd,Pm,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu)から選ばれた1種以上の元素であり、0≦x、0<yである)で表されるガーネット型結晶から成るファラデー回転子。
- 0<yである請求項1に記載のガーネット型結晶から成るファラデー回転子。
- 前記ガーネット型結晶が、Dy3Al5O12結晶から成る基板に、原料溶液を接触させて液相エピタキシャル成長させることで製造されることを特徴とする請求項3に記載のファラデー回転子。
- Tb3Al5O12で表されるガーネット型結晶よりも光透過率が大きな請求項3に記載のガーネット型結晶から成るファラデー回転子。
- x≦2.0である請求項1から5の何れかに記載のガーネット型結晶から成るファラデー回転子。
- y≦1.0である請求項1から6の何れかに記載のガーネット型結晶から成るファラデー回転子。
- 請求項1から7の何れかに記載のファラデー回転子を用いることを特徴とする光アイソレータ。
- 原料を調整して(Tb3−x−yRxBiy)Al5O12(Rは、Y,Er,Yb,Luから選ばれた1種以上の元素であり、0<x、0<yである)で表されるガーネット型結晶を成長させる工程と、
前記ガーネット型結晶に加工を施す工程と
を含むファラデー回転子の製造方法。 - 前記ガーネット型結晶を成長させる工程は、Dy3Al5O12結晶から成る基板に、原料溶液を接触させて液相エピタキシャル成長させることで前記ガーネット型結晶を成長させることを特徴とする請求項9に記載のファラデー回転子の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2018074723A JP7063694B2 (ja) | 2018-04-09 | 2018-04-09 | ファラデー回転子の製造方法 |
CN201910228782.7A CN110359093A (zh) | 2018-04-09 | 2019-03-25 | 法拉第转子,光隔离器和制造法拉第转子的方法 |
US16/372,407 US20190309440A1 (en) | 2018-04-09 | 2019-04-02 | Faraday rotator, optical isolator, and method of manufacturing faraday rotator |
CA3039431A CA3039431A1 (en) | 2018-04-09 | 2019-04-05 | Faraday rotator, optical isolator, and method of manufacturing faraday rotator |
EP19167986.9A EP3553211A1 (en) | 2018-04-09 | 2019-04-08 | Faraday rotator, optical isolator, and method of manufacturing faraday rotator |
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JP2018074723A JP7063694B2 (ja) | 2018-04-09 | 2018-04-09 | ファラデー回転子の製造方法 |
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JP7063694B2 JP7063694B2 (ja) | 2022-05-09 |
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JP6894865B2 (ja) * | 2018-04-09 | 2021-06-30 | 信越化学工業株式会社 | ガーネット型結晶の製造方法 |
US11428914B1 (en) | 2018-12-20 | 2022-08-30 | Electro-Optics Technology, Inc. | Small, high power optical isolator |
CN113755172B (zh) * | 2021-10-26 | 2023-11-14 | 长江大学 | 一种荧光粉及其制备方法 |
CN114773048B (zh) * | 2022-05-05 | 2023-06-27 | 闽都创新实验室 | 一种复合陶瓷材料的制备方法及其应用 |
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2018
- 2018-04-09 JP JP2018074723A patent/JP7063694B2/ja active Active
-
2019
- 2019-03-25 CN CN201910228782.7A patent/CN110359093A/zh active Pending
- 2019-04-02 US US16/372,407 patent/US20190309440A1/en not_active Abandoned
- 2019-04-05 CA CA3039431A patent/CA3039431A1/en active Pending
- 2019-04-08 EP EP19167986.9A patent/EP3553211A1/en not_active Withdrawn
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JP7063694B2 (ja) | 2022-05-09 |
CN110359093A (zh) | 2019-10-22 |
EP3553211A1 (en) | 2019-10-16 |
CA3039431A1 (en) | 2019-10-09 |
US20190309440A1 (en) | 2019-10-10 |
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