JP6268758B2 - 光ファイバ - Google Patents
光ファイバ Download PDFInfo
- Publication number
- JP6268758B2 JP6268758B2 JP2013121562A JP2013121562A JP6268758B2 JP 6268758 B2 JP6268758 B2 JP 6268758B2 JP 2013121562 A JP2013121562 A JP 2013121562A JP 2013121562 A JP2013121562 A JP 2013121562A JP 6268758 B2 JP6268758 B2 JP 6268758B2
- Authority
- JP
- Japan
- Prior art keywords
- refractive index
- cladding
- optical fiber
- core
- clad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 title claims description 40
- 238000005253 cladding Methods 0.000 claims description 51
- 239000011521 glass Substances 0.000 claims description 34
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 25
- 229910052731 fluorine Inorganic materials 0.000 claims description 13
- 239000011737 fluorine Substances 0.000 claims description 13
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 13
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 11
- 230000000994 depressogenic effect Effects 0.000 description 7
- 239000004071 soot Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G02B6/03638—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 3 layers only
- G02B6/03644—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 3 layers only arranged - + -
-
- 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
- G02B6/0283—Graded index region external to the central core segment, e.g. sloping layer or triangular or trapezoidal layer
-
- 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
- G02B6/0286—Combination of graded index in the central core segment and a graded index layer external to the central core segment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
Claims (1)
- 少なくともClが添加されたSiO2ガラスからなるコアと、
前記コアを取り囲み、前記コアの屈折率より低い屈折率を有し、少なくともフッ素が添加されたSiO2ガラスからなる第一クラッドと、
前記第一クラッドを取り囲み、前記コアの屈折率より低く前記第一クラッドの屈折率より高い屈折率を有し、少なくともフッ素が添加されたSiO2ガラスからなる第二クラッドと、
を備え、
前記コアの外径に対する前記第一クラッドの外径の比が3以上5以下であり、
前記第一クラッドの外径に対する光ファイバの外径の比が2以上5以下であり、
前記コアと前記第一クラッドとの相対屈折率差が0.25%〜0.50%であり、
前記第二クラッドが、一様な屈折率を有する外側領域と、前記外側領域より内側にあって前記外側領域の屈折率より高い屈折率を有する内側領域とに区分され、
前記内側領域の最大屈折率と前記外側領域の屈折率との差が0.02%以上0.10%以下であり、
前記内側領域の径方向の厚みが10μm以上25μm以下であり、
前記内側領域の最大屈折率と前記第一クラッドの屈折率との差が0.05%以上0.15%以下である、
ことを特徴とする光ファイバ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013121562A JP6268758B2 (ja) | 2013-06-10 | 2013-06-10 | 光ファイバ |
PCT/JP2014/065112 WO2014199922A1 (ja) | 2013-06-10 | 2014-06-06 | 光ファイバ |
US14/897,192 US9588286B2 (en) | 2013-06-10 | 2014-06-06 | Optical fiber |
EP14811519.9A EP3009868B1 (en) | 2013-06-10 | 2014-06-06 | Optical fiber |
CN201480029719.6A CN105324691B (zh) | 2013-06-10 | 2014-06-06 | 光纤 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013121562A JP6268758B2 (ja) | 2013-06-10 | 2013-06-10 | 光ファイバ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014238526A JP2014238526A (ja) | 2014-12-18 |
JP6268758B2 true JP6268758B2 (ja) | 2018-01-31 |
Family
ID=52022218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013121562A Active JP6268758B2 (ja) | 2013-06-10 | 2013-06-10 | 光ファイバ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9588286B2 (ja) |
EP (1) | EP3009868B1 (ja) |
JP (1) | JP6268758B2 (ja) |
CN (1) | CN105324691B (ja) |
WO (1) | WO2014199922A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018022413A1 (en) | 2016-07-29 | 2018-02-01 | Corning Incorporated | Single mode optical fiber with chlorine doped core and low bend loss |
WO2018022411A1 (en) | 2016-07-29 | 2018-02-01 | Corning Incorporated | Low loss single mode fiber with chlorine doped core |
JP7049327B2 (ja) * | 2016-09-21 | 2022-04-06 | コーニング インコーポレイテッド | 変化するクラッド屈折率を有する光ファイバ、およびそれを形成する方法 |
WO2019172197A1 (ja) | 2018-03-06 | 2019-09-12 | 住友電気工業株式会社 | 光ファイバ |
JP2020148946A (ja) * | 2019-03-14 | 2020-09-17 | 住友電気工業株式会社 | 光ファイバ |
WO2022010667A1 (en) * | 2020-07-07 | 2022-01-13 | Corning Incorporated | Optical fiber with inverse triangular trench design |
CN116829998A (zh) * | 2020-12-11 | 2023-09-29 | 康宁股份有限公司 | 低护槽体积单模超低损耗光纤 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3376884D1 (de) | 1983-06-29 | 1988-07-07 | Ant Nachrichtentech | Single-mode w-fibre |
EP0181595A3 (en) * | 1984-11-15 | 1986-08-06 | Polaroid Corporation | Dielectric waveguide with chlorine dopant |
JP3068013B2 (ja) * | 1995-08-31 | 2000-07-24 | 住友電気工業株式会社 | 分散補償ファイバ |
US5878182A (en) * | 1997-06-05 | 1999-03-02 | Lucent Technologies Inc. | Optical fiber having a low-dispersion slope in the erbium amplifier region |
WO2000017684A1 (fr) * | 1998-09-18 | 2000-03-30 | Sumitomo Electric Industries, Ltd. | Fibre a compensation de dispersion |
WO2000017685A1 (fr) * | 1998-09-18 | 2000-03-30 | Sumitomo Electric Industries, Ltd. | Fibre a compensation de dispersion |
WO2000026150A1 (fr) * | 1998-10-29 | 2000-05-11 | Sumitomo Electric Industries, Ltd. | Procede de production de preforme et de fibre optique |
WO2000042458A1 (fr) | 1999-01-18 | 2000-07-20 | Sumitomo Electric Industries, Ltd. | Fibre optique et son procede de fabrication |
JP3784656B2 (ja) * | 2001-03-15 | 2006-06-14 | 株式会社フジクラ | 分散補償光ファイバおよびこれを用いた分散補償モジュールと光ファイバ複合伝送路 |
JP3788292B2 (ja) * | 2001-08-31 | 2006-06-21 | 日立電線株式会社 | 低非線形低分散スロープ光ファイバ |
JP2003146680A (ja) * | 2001-11-07 | 2003-05-21 | Sumitomo Electric Ind Ltd | 光ファイバの製造方法 |
AU2003235180A1 (en) * | 2002-04-16 | 2003-10-27 | Sumitomo Electric Industries, Ltd. | Optical fiber preform producing method, optical fiber producing method, and optical fiber |
KR101066281B1 (ko) * | 2003-08-29 | 2011-09-20 | 코닝 인코포레이티드 | 알칼리 금속 산화물을 함유하는 광섬유, 및 그 제조 방법및 장치 |
US7570844B2 (en) * | 2005-01-18 | 2009-08-04 | Doron Handelman | Photonic integrated circuit device and elements thereof |
JP2006293117A (ja) * | 2005-04-13 | 2006-10-26 | Furukawa Electric Co Ltd:The | 光ファイバおよびそれを用いた光通信システム |
US7088900B1 (en) * | 2005-04-14 | 2006-08-08 | Corning Incorporated | Alkali and fluorine doped optical fiber |
JP2008058663A (ja) * | 2006-08-31 | 2008-03-13 | Furukawa Electric Co Ltd:The | 光ファイバおよび光ファイバテープならびに光インターコネクションシステム |
JP4999063B2 (ja) * | 2006-10-19 | 2012-08-15 | 古河電気工業株式会社 | 光ファイバ |
US7844155B2 (en) * | 2007-05-07 | 2010-11-30 | Corning Incorporated | Optical fiber containing alkali metal oxide |
KR101720138B1 (ko) * | 2010-03-10 | 2017-03-28 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | 광섬유를 제조하기 위한 방법 및 관형 반제품 |
JP5974488B2 (ja) * | 2011-04-15 | 2016-08-23 | 住友電気工業株式会社 | 光ファイバおよび光ファイバ母材 |
JP2013032241A (ja) * | 2011-08-01 | 2013-02-14 | Sumitomo Electric Ind Ltd | 光ファイバ母材製造方法 |
JP6136261B2 (ja) * | 2012-01-23 | 2017-05-31 | 住友電気工業株式会社 | 光ファイバ |
CN102654602B (zh) * | 2012-05-08 | 2014-02-26 | 长飞光纤光缆有限公司 | 一种光纤及其制造方法 |
EP2952490A4 (en) * | 2013-02-04 | 2016-10-05 | Sumitomo Electric Industries | OPTICAL FIBER PREFORM AND PROCESS FOR PRODUCING THE SAME |
US9658395B2 (en) * | 2014-10-21 | 2017-05-23 | Ofs Fitel, Llc | Low loss optical fiber and method of making the same |
-
2013
- 2013-06-10 JP JP2013121562A patent/JP6268758B2/ja active Active
-
2014
- 2014-06-06 EP EP14811519.9A patent/EP3009868B1/en active Active
- 2014-06-06 US US14/897,192 patent/US9588286B2/en active Active
- 2014-06-06 CN CN201480029719.6A patent/CN105324691B/zh active Active
- 2014-06-06 WO PCT/JP2014/065112 patent/WO2014199922A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3009868A1 (en) | 2016-04-20 |
CN105324691B (zh) | 2018-09-11 |
WO2014199922A1 (ja) | 2014-12-18 |
JP2014238526A (ja) | 2014-12-18 |
EP3009868B1 (en) | 2019-09-04 |
EP3009868A4 (en) | 2016-07-13 |
US9588286B2 (en) | 2017-03-07 |
US20160131832A1 (en) | 2016-05-12 |
CN105324691A (zh) | 2016-02-10 |
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