JP2015001741A - マルチモード光ファイバ - Google Patents
マルチモード光ファイバ Download PDFInfo
- Publication number
- JP2015001741A JP2015001741A JP2014097709A JP2014097709A JP2015001741A JP 2015001741 A JP2015001741 A JP 2015001741A JP 2014097709 A JP2014097709 A JP 2014097709A JP 2014097709 A JP2014097709 A JP 2014097709A JP 2015001741 A JP2015001741 A JP 2015001741A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- fiber
- outer diameter
- multimode optical
- longitudinal direction
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 147
- 239000000835 fiber Substances 0.000 claims abstract description 82
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 abstract description 20
- 230000037431 insertion Effects 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 description 22
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 238000005253 cladding Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 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
- G02B6/02047—Dual mode fibre
-
- 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
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
-
- 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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
Abstract
【解決手段】マルチモード光ファイバ、その長手方向に沿ったファイバ外径は、目標ファイバ外径の±0.5μmの範囲内において周期的に変動している。
【効果】コネクタの挿入孔の内径に対して最適なクリアランスが得られるファイバ外径が選択可能となる。
【選択図】図3
Description
Claims (3)
- 中心軸に沿って伸び、α乗の屈折率分布を有するコアと、
前記コアの外周面を取り囲むクラッドと、を備えたマルチモード光ファイバであって、
当該マルチモード光ファイバの、その長手方向に沿ったファイバ外径が、目標ファイバ外径の±0.5μmの範囲内において周期的に変動することを特徴とするマルチモード光ファイバ。 - 中心軸に沿って伸び、α乗の屈折率分布を有するコアと、
前記コアの外周面を取り囲むクラッドと、を備えたマルチモード光ファイバであって、
当該マルチモード光ファイバの長手方向に沿ったファイバ外径の最大変動が、目標ファイバ外径の±0.5μmの範囲内であり、
前記目標ファイバ外径よりも大きいファイバ外径を有する領域であって何れかの位置で前記ファイバ外径が極大となる第1領域と、前記目標ファイバ外径よりも小さいファイバ外径を有する領域であって何れかの位置で前記ファイバ外径が極小となる第2領域とが、前記長手方向に沿って交互に配置されたことを特徴とするマルチモード光ファイバ。 - 前記長手方向に沿った距離と前記ファイバ外径との関係において、前記長手方向に沿って前記ファイバ外径の極大値または前記ファイバ外径の極小値が所定の周期で出現することを特徴とする請求項2に記載のマルチモード光ファイバ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/917,833 | 2013-06-14 | ||
US13/917,833 US8977093B2 (en) | 2013-06-14 | 2013-06-14 | Multimode optical fiber |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015001741A true JP2015001741A (ja) | 2015-01-05 |
JP6459211B2 JP6459211B2 (ja) | 2019-01-30 |
Family
ID=52019300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014097709A Active JP6459211B2 (ja) | 2013-06-14 | 2014-05-09 | マルチモード光ファイバ |
Country Status (3)
Country | Link |
---|---|
US (1) | US8977093B2 (ja) |
JP (1) | JP6459211B2 (ja) |
CN (1) | CN104237998B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021251074A1 (ja) * | 2020-06-11 | 2021-12-16 | 住友電気工業株式会社 | 光ファイバ及び光ファイバの製造方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53154215U (ja) * | 1977-05-06 | 1978-12-04 | ||
JPS63228108A (ja) * | 1987-03-17 | 1988-09-22 | Sumitomo Electric Ind Ltd | 光コネクタフエル−ルへの光フアイバ取付け固定方法 |
JPH0977527A (ja) * | 1995-09-12 | 1997-03-25 | Furukawa Electric Co Ltd:The | 光ファイバの線引き方法及び装置 |
JP2000063142A (ja) * | 1998-08-18 | 2000-02-29 | Sumitomo Electric Ind Ltd | 光ファイバ線引き炉及び光ファイバ線引き方法 |
US20020178762A1 (en) * | 2001-06-01 | 2002-12-05 | Foster John D. | Methods and apparatus for forming and controlling the diameter of drawn optical glass fiber |
JP2004161563A (ja) * | 2002-11-14 | 2004-06-10 | Sumitomo Electric Ind Ltd | 光ファイバの線引き方法及び線引き装置 |
JP2010120811A (ja) * | 2008-11-19 | 2010-06-03 | Fujikura Ltd | 光ファイバ素線の製造方法及び光ファイバ素線製造装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4129433A (en) * | 1976-10-14 | 1978-12-12 | Bell Telephone Laboratories, Incorporated | Fabrication of an optical fiber waveguide with periodic variations in diameter |
US4163601A (en) * | 1977-08-12 | 1979-08-07 | Corning Glass Works | Multimode waveguide with enhanced coupling with guided modes |
US4163370A (en) * | 1977-11-21 | 1979-08-07 | Corning Glass Works | Controlling the drawing rollers to produce diameter perturbations in an optical waveguide |
JPS5540491A (en) * | 1979-08-17 | 1980-03-21 | Fujikura Ltd | Connecting method of optical fiber |
GB2097021B (en) * | 1981-04-22 | 1984-02-22 | Nippon Telegraph & Telephone | Method for production of optical fiber connectors |
US4665660A (en) * | 1985-06-19 | 1987-05-19 | The United States Of America As Represented By The Secretary Of The Navy | Millimeter wavelength dielectric waveguide having increased power output and a method of making same |
JPS62131210A (ja) | 1985-12-03 | 1987-06-13 | Sumitomo Electric Ind Ltd | 光コネクタフエル−ルの製造方法 |
JP2584151B2 (ja) * | 1991-06-11 | 1997-02-19 | 株式会社フジクラ | 光ファイバ |
US6576058B2 (en) * | 1997-12-22 | 2003-06-10 | Sumitomo Electric Industries, Ltd. | Optical fiber coating method and coating apparatus |
US6522817B2 (en) * | 2000-12-18 | 2003-02-18 | Veritech, Inc. | Optical fiber array and method of formation |
JP2003004977A (ja) * | 2001-06-21 | 2003-01-08 | Ohashi Technica Inc | 光コネクタ用のフェルール |
EP1394124A4 (en) * | 2002-01-17 | 2007-03-07 | Sumitomo Electric Industries | METHOD AND DEVICE FOR MANUFACTURING A GLASS TUBE |
US7787731B2 (en) * | 2007-01-08 | 2010-08-31 | Corning Incorporated | Bend resistant multimode optical fiber |
KR101108977B1 (ko) * | 2008-10-31 | 2012-01-31 | 가부시키가이샤후지쿠라 | 광섬유 제조장치 및 광섬유 제조방법 |
US7865050B1 (en) * | 2010-02-16 | 2011-01-04 | Ofs Fitel, Llc | Equalizing modal delay of high order modes in bend insensitive multimode fiber |
US8718431B2 (en) * | 2011-09-21 | 2014-05-06 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
US8798420B2 (en) * | 2012-03-14 | 2014-08-05 | Sumitomo Electric Industries, Ltd. | Multi-mode optical fiber |
-
2013
- 2013-06-14 US US13/917,833 patent/US8977093B2/en active Active
-
2014
- 2014-05-09 JP JP2014097709A patent/JP6459211B2/ja active Active
- 2014-06-13 CN CN201410265400.5A patent/CN104237998B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53154215U (ja) * | 1977-05-06 | 1978-12-04 | ||
JPS63228108A (ja) * | 1987-03-17 | 1988-09-22 | Sumitomo Electric Ind Ltd | 光コネクタフエル−ルへの光フアイバ取付け固定方法 |
JPH0977527A (ja) * | 1995-09-12 | 1997-03-25 | Furukawa Electric Co Ltd:The | 光ファイバの線引き方法及び装置 |
JP2000063142A (ja) * | 1998-08-18 | 2000-02-29 | Sumitomo Electric Ind Ltd | 光ファイバ線引き炉及び光ファイバ線引き方法 |
US20020178762A1 (en) * | 2001-06-01 | 2002-12-05 | Foster John D. | Methods and apparatus for forming and controlling the diameter of drawn optical glass fiber |
JP2004161563A (ja) * | 2002-11-14 | 2004-06-10 | Sumitomo Electric Ind Ltd | 光ファイバの線引き方法及び線引き装置 |
JP2010120811A (ja) * | 2008-11-19 | 2010-06-03 | Fujikura Ltd | 光ファイバ素線の製造方法及び光ファイバ素線製造装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021251074A1 (ja) * | 2020-06-11 | 2021-12-16 | 住友電気工業株式会社 | 光ファイバ及び光ファイバの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104237998A (zh) | 2014-12-24 |
JP6459211B2 (ja) | 2019-01-30 |
US20140369658A1 (en) | 2014-12-18 |
CN104237998B (zh) | 2020-02-21 |
US8977093B2 (en) | 2015-03-10 |
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