JP2012256049A - シングルモード光ファイバ - Google Patents
シングルモード光ファイバ Download PDFInfo
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 51
- 238000005253 cladding Methods 0.000 claims abstract description 127
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 50
- 239000000835 fiber Substances 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 52
- 239000000377 silicon dioxide Substances 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 238000005452 bending Methods 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 14
- 230000008021 deposition Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 208000035217 Ring chromosome 1 syndrome Diseases 0.000 claims description 10
- 208000032825 Ring chromosome 2 syndrome Diseases 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 13
- 239000006185 dispersion Substances 0.000 description 13
- 239000000758 substrate Substances 0.000 description 12
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 102100022582 (3R)-3-hydroxyacyl-CoA dehydrogenase Human genes 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101001045206 Homo sapiens (3R)-3-hydroxyacyl-CoA dehydrogenase Proteins 0.000 description 1
- 101001095815 Homo sapiens E3 ubiquitin-protein ligase RING2 Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920006240 drawn fiber Polymers 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
- G02B6/03666—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - + - +
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03688—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 5 or more layers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/23—Double or multiple optical cladding profiles
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
【解決手段】シングルモード光ファイバが、中心から周囲に、半径(a)及び−0.5x10−3〜0.5x10−3の外側クラッド(Dncl)との屈折率差(Dn1)を有するコアと、半径(rring1)及び外側クラッドとの屈折率差(Dninner)を有する内側陥没クラッドと、21μm〜35μmの内径(rring1)、外径(rring2)及び−0.5x10−3〜0.5x10−3の外側クラッドとの屈折率差(Dnring)を有するリングと、半径(rout)及び外側クラッドとの屈折率差(Dnout)を有する外側陥没クラッドとを有する。ファイバは、0.12μm〜0.2μmのリングの幅(Wring)に対するコアの体積の比率を有し、外側陥没クラッドは、15μm2〜30μm2の体積を有する。大容量の低コスト・プリフォームを得ることができる。
【選択図】図2
Description
コアが、半径と、−0.5x10−3〜0.5x10−3の外側クラッドとの屈折率差とを有し、
内側陥没クラッドが、半径と、外側クラッドとの屈折率差とを有し、
リングが、21μm〜35μm、より好ましくは24μm〜35μmの内径、外径、及び−0.5x10−3〜0.5x10−3の外側クラッドとの屈折率差を有し、
外側陥没クラッドが、半径と、外側クラッドとの屈折率差とを有し、
リングの幅に対するコアの体積の比率が、0.12μm〜0.2μmであり、
外側陥没クラッドが、15μm3〜30μm3の体積を有する。
コアが、3.5μm〜7.5μmの半径を有し、
内側陥没クラッドが、−6x10−3〜−2.7x10−3の外側クラッドとの屈折率差を有し、
外側陥没クラッドが、−6x10−3〜−2x10−3の外側クラッドとの屈折率差を有し、
外側陥没クラッドが、−2x10−3〜2x10−3の内側陥没クラッドとの屈折率差を有し、
リングの内径とコアの半径との比率が、2.5〜8であり、
外側陥没クラッドが、17μm3〜25μm3の体積を有し、
ファイバが、更に、内側陥没内側クラッド内に設けられたトレンチを更に有し、前記トレンチが、外側クラッドとの屈折率差を有し、内径と外径が、内側陥没クラッドの半径より小さく、
コア及び/又はリングが、純粋シリカで作成され、
漏れ損失が、1550nmで0.005dB/km未満であり、
ケーブル遮断波長が、1550nm未満、好ましくは1530nm未満、より好ましくは1260nm未満であり、
半径10mmでの曲げ損失が、1550nmで5dB/m未満と1625nmで10dB/m未満であることのうちの1つ以上を有することができる。
付着管を提供する段階と、
リングを構成する付着管の内側に層付着を行って、コアと内側陥没クラッドを構成する段階と、
第2の陥没クラッドを提供する段階と、
外側クラッドを提供して、それにより光学プリフォームを提供する段階と、
プリフォームの第1端を加熱することによってファイバを線引きする段階とを含む。
一実施形態によれば、方法は、更に、付着管を部分的に取り除く段階を含む。
一実施形態によれば、第2の陥没クラッドは、ドープ管によるスリーブ化、ドープ・シリカによるオーバークラッド化、ドープ・シリカによる外部蒸着のうちの1つによって作成される。
Claims (15)
- 中心から周囲に向かって、コアと、内側陥没クラッドと、リングと、外側陥没クラッドと、外側クラッドと、を有するシングルモード光ファイバであって、
前記コアは、半径(a)と、−0.5x10−3〜0.5x10−3の外側クラッド(Dncl)との屈折率差(Dn1)とを有し、
前記内側陥没クラッドは、半径(rring1)と、外側クラッド(Dncl)との屈折率差(Dninner)とを有し、
前記リングは、21μm〜35μm、好ましくは24μm〜35μmの内径(rring1)、外径(rinner2)、及び−0.5x10−3〜0.5x10−3の外側クラッド(Dncl)との屈折率差(Dnring)を有し、
前記外側陥没クラッドは、半径(rout)と、外側クラッド(Dncl)との屈折率差(Dnout)とを有し、
前記リングの幅(Wring)に対するコアの体積(Vcore)の比率は、0.12μm〜0.2μmであって、
前記外側陥没クラッドは、15μm3〜30μm3の体積(Vout)を有し、
- 前記コアは、3.5μm〜7.5μmの半径(a)を有する、請求項1に記載のシングルモード光ファイバ。
- 前記内側陥没クラッドは、−6x10−3〜−2.7x10−3の外側クラッド(Dncl)との屈折率差(Dninner)を有する、請求項1または2に記載のシングルモード光ファイバ。
- 前記外側陥没クラッドが、−6x10−3〜−2x10−3の外側クラッド(Dncl)との屈折率差(Dnout)を有する、請求項1〜3のいずれかに記載のシングルモード光ファイバ。
- 前記外側陥没クラッドが、−2x10−3〜2x10−3の内側陥没クラッド(Dninner)との屈折率差(Dnout)を有する、請求項1〜4のいずれかに記載のシングルモード光ファイバ。
- 前記リングの前記内径と前記コアの前記半径との比率(rring1/a)は、2.5〜8である、請求項1〜5のいずれかに記載のシングルモード光ファイバ。
- 前記外側陥没クラッドが、17μm3〜25μm3の体積(Vout)を有する、請求項1〜6のいずれかに記載のシングルモード光ファイバ。
- 前記内側陥没内側クラッド内に提供されたトレンチを更に有し、前記トレンチは、前記外側クラッド(Dncl)との屈折率差(Dn3)を有し、内径(b)と外径(c)は、前記内側陥没クラッドの半径(rring1)より小さい、請求項1〜7のいずれかに記載のシングルモード光ファイバ。
- 前記コア及び/又は前記リングは、純粋シリカで作成された、請求項1〜8のいずれかに記載のシングルモード光ファイバ。
- 1550nmで0.005dB/km未満の漏れ損失を有する、請求項1〜9のいずれかに記載のシングルモード光ファイバ。
- 1550nm未満、好ましくは1530nm未満で、より好ましくは1260nm未満のケーブル遮断波長を有する、請求項1〜10のいずれかに記載のシングルモード光ファイバ。
- 10mmの半径で、1550nmで5dB/m未満と1625nmで10dB/m未満の曲げ損失を有する、請求項1〜11のいずれかに記載のシングルモード光ファイバ。
- 請求項1〜12のいずれかに記載の特徴を有する光ファイバを製造する方法であって、
付着管を提供する段階と、
前記リングを構成する前記付着管の内側に層付着を行って、前記コアと前記内側陥没クラッドを構成する段階と、
前記第2の陥没クラッドを提供する段階と、
前記外側クラッドを提供して、光学プリフォームを提供する段階と、
前記プリフォームの第1端を加熱することによって前記ファイバを線引きする段階と、
を含む方法。 - 前記付着管を部分的に取り除く段階を更に含む、請求項13に記載の方法。
- 前記第2の陥没クラッドは、ドープ管によるスリーブ化、ドープト・シリカによるオーバークラッド化、ドープ・シリカによる外部蒸着のうちの1つによって形成される、請求項13又は14に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP11305726.9 | 2011-06-09 | ||
EP11305726.9A EP2533082B1 (en) | 2011-06-09 | 2011-06-09 | Single mode optical fiber |
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JP2012256049A true JP2012256049A (ja) | 2012-12-27 |
JP5881213B2 JP5881213B2 (ja) | 2016-03-09 |
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JP2012130459A Active JP5881213B2 (ja) | 2011-06-09 | 2012-06-08 | シングルモード光ファイバ |
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US (1) | US8798424B2 (ja) |
EP (1) | EP2533082B1 (ja) |
JP (1) | JP5881213B2 (ja) |
KR (1) | KR101908735B1 (ja) |
CN (1) | CN102819063B (ja) |
AU (1) | AU2012203319B2 (ja) |
DK (1) | DK2533082T3 (ja) |
ES (1) | ES2451369T3 (ja) |
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US9014525B2 (en) | 2009-09-09 | 2015-04-21 | Draka Comteq, B.V. | Trench-assisted multimode optical fiber |
EP2518546B1 (en) | 2011-04-27 | 2018-06-20 | Draka Comteq B.V. | High-bandwidth, radiation-resistant multimode optical fiber |
EP2533082B1 (en) | 2011-06-09 | 2013-12-25 | Draka Comteq BV | Single mode optical fiber |
DK2541292T3 (en) | 2011-07-01 | 2014-12-01 | Draka Comteq Bv | A multimode optical fiber |
EP2584340A1 (en) | 2011-10-20 | 2013-04-24 | Draka Comteq BV | Hydrogen sensing fiber and hydrogen sensor |
NL2007831C2 (en) | 2011-11-21 | 2013-05-23 | Draka Comteq Bv | Apparatus and method for carrying out a pcvd deposition process. |
US8929701B2 (en) | 2012-02-15 | 2015-01-06 | Draka Comteq, B.V. | Loose-tube optical-fiber cable |
WO2013160714A1 (en) | 2012-04-27 | 2013-10-31 | Draka Comteq Bv | Hybrid single and multimode optical fiber for a home network |
CN103257393B (zh) * | 2012-10-30 | 2015-03-04 | 长飞光纤光缆股份有限公司 | 一种大有效面积光纤 |
US9188754B1 (en) | 2013-03-15 | 2015-11-17 | Draka Comteq, B.V. | Method for manufacturing an optical-fiber buffer tube |
NL2011075C2 (en) | 2013-07-01 | 2015-01-05 | Draka Comteq Bv | Pcvd process with removal of substrate tube. |
CN103364870B (zh) * | 2013-08-07 | 2016-08-10 | 烽火通信科技股份有限公司 | 一种单模光纤及其制造方法 |
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PT3084490T (pt) * | 2013-12-20 | 2021-02-05 | Draka Comteq Bv | Fibra monomodo com um núcleo trapezoidal que exibe perdas reduzidas |
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CN104777553B (zh) | 2015-04-28 | 2017-12-29 | 长飞光纤光缆股份有限公司 | 一种超低衰减单模光纤 |
JP6532748B2 (ja) * | 2015-04-30 | 2019-06-19 | 株式会社フジクラ | マルチコアファイバ |
CN104991307A (zh) * | 2015-07-31 | 2015-10-21 | 长飞光纤光缆股份有限公司 | 一种超低衰减大有效面积的单模光纤 |
RU2755736C1 (ru) | 2017-12-21 | 2021-09-20 | Драка Комтек Франс | Нечувствительное к потерям на изгибах одномодовое волокно с мелкой канавкой и соответствующая оптическая система |
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CN114203875B (zh) * | 2021-12-09 | 2024-03-12 | 广东中图半导体科技股份有限公司 | 一种图形化复合衬底、制备方法和led外延片 |
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AU2012203319B2 (en) | 2014-07-24 |
US8798424B2 (en) | 2014-08-05 |
EP2533082B1 (en) | 2013-12-25 |
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