JP2014202773A - ファラデー回転子及びこのファラデー回転子を用いた光アイソレータ - Google Patents
ファラデー回転子及びこのファラデー回転子を用いた光アイソレータ Download PDFInfo
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- JP2014202773A JP2014202773A JP2013075772A JP2013075772A JP2014202773A JP 2014202773 A JP2014202773 A JP 2014202773A JP 2013075772 A JP2013075772 A JP 2013075772A JP 2013075772 A JP2013075772 A JP 2013075772A JP 2014202773 A JP2014202773 A JP 2014202773A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 44
- 230000008033 biological extinction Effects 0.000 claims abstract description 45
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- 239000002245 particle Substances 0.000 claims description 24
- 238000000137 annealing Methods 0.000 abstract description 10
- 230000006866 deterioration Effects 0.000 abstract description 9
- 239000013078 crystal Substances 0.000 description 23
- 238000005259 measurement Methods 0.000 description 13
- 238000002955 isolation Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 7
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- 230000010287 polarization Effects 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
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- 239000000835 fiber Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000002223 garnet Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
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- 238000007517 polishing process Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
- B28B11/0845—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
- B28B11/0872—Non-mechanical reshaping of the surface, e.g. by burning, acids, radiation energy, air flow, etc.
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/003—Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
-
- 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
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3286—Gallium oxides, gallates, indium oxides, indates, thallium oxides, thallates or oxide forming salts thereof, e.g. zinc gallate
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Polarising Elements (AREA)
Abstract
散乱光の影響を相対的に低減でき、光アイソレータ全体の特性劣化を抑えて、少なくとも38dB以上の高い消光比を有するTGGセラミックス焼結体を用いたファラデー回転子及びこのファラデー回転子を用いた光アイソレータを提供することである。
【解決手段】
本発明は、平均粒径が0.2〜5.0μmのTGGセラミックス焼結体を用いた、透過ビーム径が0.3mm以上であるファラデー回転子であり、好ましくは、そのTGGセラミックス焼結体は、アニール処理されていることを特徴とする。
【選択図】図1
Description
この結果から、レーザービーム径Dが0.1mmの時では、粒界の影響によると思われる消光比の揺らぎが大きくなり、数値の安定性が悪くなることが確認された。
先ず、TGG結晶体については、CZ法にてφ1.5インチ径のTGG結晶体を育成し、両端部を切断し長さ20mmとした後に、研磨加工し、5mm□のエリアに見立てて13個所の測定点を設定した。図4に13個所の測定点を示す。この13個所のエリア中央部について、φ1.0mmビーム(1064nm)の消光比を測定したところ、消光比は33〜39dBであった。また、本結晶体を1200℃で24時間アニール処理を施して再度測定したところ、消光比は36〜41dBに向上した。表4に研磨加工後と熱処理後の消光比の測定値を示す。
2 偏光子
3 検光子
4 1/2波長板
5 磁石
Claims (4)
- 平均粒径が0.2〜5.0μmのTGGセラミックス焼結体を用いた、透過ビーム径が0.3mm以上であることを特徴とするファラデー回転子。
- 前記TGGセラミックス焼結体は、アニール処理されていることを特徴とする請求項1に記載のファラデー回転子。
- 前記セラミックス焼結体は、少なくとも38dB以上の消光比を有することを特徴とする請求項1又は2に記載のファラデー回転子。
- 請求項1乃至3の何れかに記載のファラデー回転子を用いたことを特徴とする光アイソレータ。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013075772A JP6132429B2 (ja) | 2013-04-01 | 2013-04-01 | ファラデー回転子及び光アイソレータの製造方法 |
EP14780069.2A EP2983035B1 (en) | 2013-04-01 | 2014-01-09 | Faraday rotator and light isolator using faraday rotator |
PCT/JP2014/050196 WO2014162754A1 (ja) | 2013-04-01 | 2014-01-09 | ファラデー回転子及びこのファラデー回転子を用いた光アイソレータ |
DK14780069.2T DK2983035T3 (da) | 2013-04-01 | 2014-01-09 | Faraday-rotator og lysisolator med faraday-rotator |
US14/781,324 US20160054598A1 (en) | 2013-04-01 | 2014-01-09 | Faraday rotator and optical isolator based on this faraday rotator |
CN201480017523.5A CN105247405B (zh) | 2013-04-01 | 2014-01-09 | 法拉第转子及使用该法拉第转子的光隔离器 |
TW103111789A TWI490554B (zh) | 2013-04-01 | 2014-03-28 | 法拉第轉子及使用該法拉第轉子的光隔離器 |
US15/354,552 US10168556B2 (en) | 2013-04-01 | 2016-11-17 | Faraday rotator and optical isolator based on this faraday rotator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013075772A JP6132429B2 (ja) | 2013-04-01 | 2013-04-01 | ファラデー回転子及び光アイソレータの製造方法 |
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Publication Number | Publication Date |
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JP2014202773A true JP2014202773A (ja) | 2014-10-27 |
JP6132429B2 JP6132429B2 (ja) | 2017-05-24 |
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JP2013075772A Active JP6132429B2 (ja) | 2013-04-01 | 2013-04-01 | ファラデー回転子及び光アイソレータの製造方法 |
Country Status (7)
Country | Link |
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US (2) | US20160054598A1 (ja) |
EP (1) | EP2983035B1 (ja) |
JP (1) | JP6132429B2 (ja) |
CN (1) | CN105247405B (ja) |
DK (1) | DK2983035T3 (ja) |
TW (1) | TWI490554B (ja) |
WO (1) | WO2014162754A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018048035A (ja) * | 2016-09-20 | 2018-03-29 | 住友金属鉱山株式会社 | ファラデー素子の製造方法、及びファラデー素子 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110471199B (zh) * | 2019-07-29 | 2021-03-09 | 中国科学技术大学 | 基于光自旋轨道耦合和法拉第效应的隔离器 |
WO2021188171A1 (en) * | 2020-03-20 | 2021-09-23 | Micro Harmonics Corporation | Hybrid circulator |
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JPH05127123A (ja) * | 1991-10-31 | 1993-05-25 | Hoya Corp | 光アイソレータ |
JPH071414U (ja) * | 1993-06-07 | 1995-01-10 | 信越化学工業株式会社 | 光アイソレータ |
JPH08240791A (ja) * | 1995-03-03 | 1996-09-17 | Tdk Corp | 光学部品、及びそれを用いた光アイソレータ並びに光サーキュレータ |
JP2006292799A (ja) * | 2005-04-06 | 2006-10-26 | Sumitomo Metal Mining Co Ltd | ファラデー回転子の製造方法及び該回転子が組込まれた光アイソレータ |
JP2007058161A (ja) * | 2005-07-29 | 2007-03-08 | Kyocera Corp | 光アイソレータ及び光モジュール |
JP2008001556A (ja) * | 2006-06-22 | 2008-01-10 | Konoshima Chemical Co Ltd | 透光性希土類ガリウムガーネット焼結体及びその製造方法と光学デバイス |
JP2009143751A (ja) * | 2007-12-12 | 2009-07-02 | Konoshima Chemical Co Ltd | 透光性希土類ガリウムガーネット焼結体及びその製造方法と磁気光学デバイス |
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WO2004067813A1 (ja) * | 2003-01-29 | 2004-08-12 | Tdk Corporation | 磁性ガーネット単結晶膜形成用基板、光学素子およびその製造方法 |
JP5393271B2 (ja) * | 2009-06-09 | 2014-01-22 | 信越化学工業株式会社 | 酸化物及び磁気光学デバイス |
TWI481562B (zh) * | 2010-10-13 | 2015-04-21 | Shinetsu Chemical Co | Oxide and magnetic optics |
CN102096210A (zh) * | 2010-11-22 | 2011-06-15 | 福建福晶科技股份有限公司 | 一种宽波段使用的法拉第光隔离器 |
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CN201945766U (zh) * | 2011-01-30 | 2011-08-24 | 福建中策光电科技有限公司 | Tgg法拉第旋光器 |
WO2012124754A1 (ja) * | 2011-03-16 | 2012-09-20 | 信越化学工業株式会社 | 透明セラミックス及びその製造方法並びに磁気光学デバイス |
JP5999853B2 (ja) * | 2012-07-06 | 2016-09-28 | 神島化学工業株式会社 | 透光性希土類ガリウムガーネットセラミックスとその製造方法及びファラデー回転子 |
CN102976716A (zh) * | 2012-12-17 | 2013-03-20 | 福建福晶科技股份有限公司 | 一种铽镓石榴石透明陶瓷的制备方法 |
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2013
- 2013-04-01 JP JP2013075772A patent/JP6132429B2/ja active Active
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2014
- 2014-01-09 DK DK14780069.2T patent/DK2983035T3/da active
- 2014-01-09 WO PCT/JP2014/050196 patent/WO2014162754A1/ja active Application Filing
- 2014-01-09 US US14/781,324 patent/US20160054598A1/en not_active Abandoned
- 2014-01-09 EP EP14780069.2A patent/EP2983035B1/en active Active
- 2014-01-09 CN CN201480017523.5A patent/CN105247405B/zh active Active
- 2014-03-28 TW TW103111789A patent/TWI490554B/zh not_active IP Right Cessation
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2016
- 2016-11-17 US US15/354,552 patent/US10168556B2/en active Active
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JPH05127123A (ja) * | 1991-10-31 | 1993-05-25 | Hoya Corp | 光アイソレータ |
JPH071414U (ja) * | 1993-06-07 | 1995-01-10 | 信越化学工業株式会社 | 光アイソレータ |
JPH08240791A (ja) * | 1995-03-03 | 1996-09-17 | Tdk Corp | 光学部品、及びそれを用いた光アイソレータ並びに光サーキュレータ |
JP2006292799A (ja) * | 2005-04-06 | 2006-10-26 | Sumitomo Metal Mining Co Ltd | ファラデー回転子の製造方法及び該回転子が組込まれた光アイソレータ |
JP2007058161A (ja) * | 2005-07-29 | 2007-03-08 | Kyocera Corp | 光アイソレータ及び光モジュール |
JP2008001556A (ja) * | 2006-06-22 | 2008-01-10 | Konoshima Chemical Co Ltd | 透光性希土類ガリウムガーネット焼結体及びその製造方法と光学デバイス |
JP2009143751A (ja) * | 2007-12-12 | 2009-07-02 | Konoshima Chemical Co Ltd | 透光性希土類ガリウムガーネット焼結体及びその製造方法と磁気光学デバイス |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018048035A (ja) * | 2016-09-20 | 2018-03-29 | 住友金属鉱山株式会社 | ファラデー素子の製造方法、及びファラデー素子 |
Also Published As
Publication number | Publication date |
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EP2983035A1 (en) | 2016-02-10 |
US20170192258A1 (en) | 2017-07-06 |
TW201445188A (zh) | 2014-12-01 |
US10168556B2 (en) | 2019-01-01 |
EP2983035A4 (en) | 2016-12-07 |
TWI490554B (zh) | 2015-07-01 |
WO2014162754A1 (ja) | 2014-10-09 |
EP2983035B1 (en) | 2021-08-18 |
US20160054598A1 (en) | 2016-02-25 |
CN105247405B (zh) | 2019-05-31 |
CN105247405A (zh) | 2016-01-13 |
JP6132429B2 (ja) | 2017-05-24 |
DK2983035T3 (da) | 2021-09-27 |
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