JP6911085B2 - 高い耐ソラリゼーション性を有する高透過性ガラス、それらの使用およびそれらの製造方法 - Google Patents
高い耐ソラリゼーション性を有する高透過性ガラス、それらの使用およびそれらの製造方法 Download PDFInfo
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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Images
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/18—Stirring devices; Homogenisation
- C03B5/193—Stirring devices; Homogenisation using gas, e.g. bubblers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/225—Refining
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
- C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
- C03C3/115—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron
- C03C3/118—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron containing aluminium
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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
- G02B6/02—Optical fibres with cladding with or without a coating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
特に、コアとクラッドガラスの間の境界でのコアとクラッドガラスの間の反応、例えば、拡散または結晶化は、起こってはならず、これらは、ファイバーコア内の誘導光の内部全反射を妨げ、それによって減衰を増加させるであろう。さらに、結晶化によって、ファイバーの機械的安定性が損なわれる。さらに、ガラス製造の間に清澄剤として機能するか、または汚染物質としてガラスに導入される多価成分が、放射源を使用すると、分光透過率に変化をもたらす。この効果はソラリゼーションと呼ばれる。
この出願に記載されているガラスは、低温で清澄されなければならないが、その理由は、そうでなければ、ガラスにおける白金の含有量が高くなりすぎるためである。As2O3およびSb2O3が、好ましい清澄剤として提案されている。これらの清澄剤の使用により、優れた耐ソラリゼーション性は、達成できない。スズによる清澄は、推奨される選択肢ではない。
さらに、ガラスは、高純度で製造されるべきであり、それらは、特にアルカリ溶液に対する、良好な耐性を特徴とすべきである。アルカリ溶液に対する耐性は、医療分野における前記ガラスの使用にとって重要である。これらの分野では、アルカリ溶液が、しばしば、洗浄剤として使用される。
その理由は、SiO2が化学的清澄剤として用いられるからである。したがって、好ましくは、清澄プロセスの間にバブリングは実施されない。
in glass by a colorimetric method」、Glass Technol、1999、40(1)、24−8)。それゆえに、減衰が、代理のパラメータとして用いられなければならない。
したがって、特定の態様において、本発明のガラスは、9.2質量%までのBaOを含むにすぎない。
この場合、特に、La2O3、ZrO2および/またはHfO2が好ましい。また、Ta2O5も、本発明に従って、添加され得る。
しかし、別の態様は、Ga2O3を含まない。
− 溶融部において混合物を溶融する工程、
− 溶融物を、清澄部において清澄する工程、
− 清澄工程の後、溶融物を、調質部において酸化ガスでバブリングする工程、を含む。
しかし、高すぎる温度は、より大きな値のFe2+/Fe3+の比−したがって、より大きな割合の還元型を生じる。この効果は、清澄温度の値が、好ましくは2000℃、さらに好ましくは1900℃、特に好ましくは1800℃を超えないという対策により、軽減されるであろう。
したがって、これは結果として、700dB/kmのような大きさだけ、全IR波長領域における本発明によるガラスの減衰を減少させ、これは特に、光ファイバーの長さが長い用途で利点がある。
本発明による組成範囲を考慮して得られるガラス溶融物は、このような伝導度を示す。
本発明によるガラスの製造のために、避けられない不純物にかかわりなく、通常の原材料による組成物を、高周波加熱スカル生成ルツボに入れ、1500〜1580℃で3時間に渡って溶融した。溶融物を1550〜1630℃の温度に加熱し、次に、45分間、清澄した。次に、温度を、1540℃に下げ、バブリングを、酸素を用いて、30分間、実施した。次いで、温度を、15〜20分間かけて、1450℃に下げ、ガラスをキャストした。660℃から先では、ガラスブロックの冷却は、それが周囲温度に達するまで、10K/hの速度で行った。
むしろ、ソラリゼーションの挙動に関する最適条件、および清澄効果に関する最適条件が存在する。これらの2つの最適条件は、同じではないので、良好な清澄プロセスと、より少ないソラリゼーションとの間の平均が、見出されなければならなかった。
Claims (14)
- その前記減衰が、1050nmの波長で50dB/kmから<400dB/kmまでである、請求項1に記載のガラス。
- その前記減衰が、1050nmの波長で400〜1300dB/kmである、請求項1に記載のガラス。
- 前記ガラスが、<200ppbの濃度でMnOを含む、請求項1〜3の何れか1項に記載のガラス。
- 前記ガラスが、PbO、As2O3およびSb2O3を含まない、請求項1〜4の何れか1項に記載のガラス。
- SiO2対B2O3の質量比が、5を超える、請求項1〜5の何れか1項に記載のガラス。
- スズの全含有量に対して、5%以下のSn2+の割合を有する、請求項1〜6の何れか1項に記載のガラス。
- 少なくとも0.01〜1質量%以下のSnO2含有量を有する、請求項1〜7の何れか1項に記載のガラス。
- 少なくとも0.12質量%のSnO2含有量を有する、請求項1〜8の何れか1項に記載のガラス。
- BaO対ZnOの、質量比が、少なくとも0.01で、22の値を超えない請求項1〜9の何れか1項に記載のガラス。
- a.溶融容器においてガラス混合物を溶融する工程、
b.溶融物を、清澄容器において清澄する工程、
を含む、請求項1〜10の何れか1項に記載のガラスの製造方法。 - 方法は、清澄プロセスの後、前記溶融物を、調質容器において酸化ガスでバブリングするさらなる工程を含む、請求項11に記載のガラスの製造方法。
- コアガラスとしての請求項1〜10の何れか1項に記載のガラスと、前記コアガラスを覆っているクラッドガラスとを含む光ファイバー。
- 光ファイバーにおけるコアガラスとしての、請求項1〜10の何れか1項に記載のガラスの使用。
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JP6328562B2 (ja) | 2018-05-23 |
EP3782961B1 (de) | 2023-12-20 |
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EP2802544B1 (de) | 2020-11-11 |
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CN104039725B (zh) | 2019-06-25 |
JP2018024572A (ja) | 2018-02-15 |
EP3782961A3 (de) | 2021-03-03 |
US20140376868A1 (en) | 2014-12-25 |
EP2802544A1 (de) | 2014-11-19 |
CN110357442B (zh) | 2021-11-23 |
US20190152841A1 (en) | 2019-05-23 |
EP3782961A2 (de) | 2021-02-24 |
US10759692B2 (en) | 2020-09-01 |
DE102012100233B4 (de) | 2014-05-15 |
JP6935263B2 (ja) | 2021-09-15 |
US20210276915A1 (en) | 2021-09-09 |
JP2015508385A (ja) | 2015-03-19 |
CN110357442A (zh) | 2019-10-22 |
DE102012100233A1 (de) | 2013-07-18 |
CN104039725A (zh) | 2014-09-10 |
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