JPH10500096A - 偏向モード分散を低減した光ファイバの製造方法 - Google Patents
偏向モード分散を低減した光ファイバの製造方法Info
- Publication number
- JPH10500096A JPH10500096A JP8523379A JP52337996A JPH10500096A JP H10500096 A JPH10500096 A JP H10500096A JP 8523379 A JP8523379 A JP 8523379A JP 52337996 A JP52337996 A JP 52337996A JP H10500096 A JPH10500096 A JP H10500096A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- optical fiber
- core
- actinic radiation
- optical
- 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
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
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02147—Point by point fabrication, i.e. grating elements induced one step at a time along the fibre, e.g. by scanning a laser beam, arc discharge scanning
-
- 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
-
- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/62—Surface treatment of fibres or filaments made from glass, minerals or slags by application of electric or wave energy; by particle radiation or ion implantation
- C03C25/6206—Electromagnetic waves
- C03C25/6208—Laser
-
- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/62—Surface treatment of fibres or filaments made from glass, minerals or slags by application of electric or wave energy; by particle radiation or ion implantation
- C03C25/6206—Electromagnetic waves
- C03C25/6226—Ultraviolet
-
- 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
- C03B2203/18—Axial perturbations, e.g. in refractive index or composition
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/20—Irradiation of the base fibre during drawing to modify waveguide properties
-
- 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
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B2006/02157—Grating written during drawing of the 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
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
-
- 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
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/021—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the core or cladding or coating, e.g. materials, radial refractive index profiles, cladding shape
-
- 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
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/021—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the core or cladding or coating, e.g. materials, radial refractive index profiles, cladding shape
- G02B6/02109—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the core or cladding or coating, e.g. materials, radial refractive index profiles, cladding shape having polarization sensitive features, e.g. reduced photo-induced birefringence
-
- 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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Lasers (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.シリカ母材の溶融端からファイバを引出し、保護被覆材で当該ファイバをコ ーティングする手段に沿って当該ファイバを移動する工程を有する、不純物を持 つ核部分と周囲の光学クラッド部分とを有する光ファイバを製造する方法におい て、 前記コーティング工程に先立ち、前記移動されるファイバが不規則に変調され る化学放射に曝され、これにより長手方向位置の関数として前記核部分の屈折率 に関する不規則変化がもたらされることを特徴とする光ファイバを製造する方法 。 2.前記引出されるファイバの核部分が不純物としてGe(ゲルマニウム)を有 する前記母材が選択されることを特徴とする請求項1に記載の光ファイバを製造 する方法。 3.前記科学放射の形式が、紫外線及び青色/緑色光を有する群から選択される ことを特徴とする請求項1または2に記載の光ファイバを製造する方法。 4.前記化学放射は、ランダムパルスレーザ源から得られることを特徴とする請 求項1乃至3の何れか一項に記載の光ファイバを製造する方法。 5.不純物を持つ核部分と周囲の光学クラッド部分とを有する光ファイバにおい て、 前記ファイバの略々全長にわたって、前記核部分の屈折率が長手方向位置の関 数として著しい不規則変化を示すことを特徴とする光ファイバ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95200239 | 1995-02-01 | ||
NL95200239.2 | 1995-02-01 | ||
PCT/IB1996/000060 WO1996023739A1 (en) | 1995-02-01 | 1996-01-25 | Optical fiber having reduced polarisation mode dispersion |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10500096A true JPH10500096A (ja) | 1998-01-06 |
JP4232910B2 JP4232910B2 (ja) | 2009-03-04 |
Family
ID=8219986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52337996A Expired - Fee Related JP4232910B2 (ja) | 1995-02-01 | 1996-01-25 | 偏光モード分散を低減した光ファイバの製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5992181A (ja) |
EP (1) | EP0757663B1 (ja) |
JP (1) | JP4232910B2 (ja) |
CN (1) | CN1093842C (ja) |
DE (1) | DE69600288T2 (ja) |
WO (1) | WO1996023739A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003012348A (ja) * | 2001-06-29 | 2003-01-15 | Sumitomo Electric Ind Ltd | 光導波路の製造方法 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19810812A1 (de) * | 1998-03-12 | 1999-09-16 | Siemens Ag | Optisches Übertragungselement sowie Verfahren zur Reduzierung dessen Polarisationsmoden-Dispersion |
US20010035029A1 (en) * | 1999-07-12 | 2001-11-01 | Akira Ikushima | Method of manufacturing an optical fiber |
US6419749B1 (en) * | 1999-11-05 | 2002-07-16 | Fusion Uv Systems, Inc. | Apparatus for UV curing a coating on a filament or the like and method of manufacturing |
KR100318903B1 (ko) | 2000-01-14 | 2001-12-29 | 윤종용 | 장주기 광섬유 격자 |
US6556732B1 (en) | 2000-06-07 | 2003-04-29 | Corning Incorporated | All fiber polarization mode dispersion compensator |
US7022382B1 (en) | 2000-06-16 | 2006-04-04 | Alcatel | UV-cure of coatings for an optical fiber with a laser |
ES2272498T3 (es) * | 2000-07-06 | 2007-05-01 | Prysmian Cavi E Sistemi Energia S.R.L. | Fibra optica con dispersion de polirizacion de modo reducida y procedimiento para la obtecion de una fibra optica con dispersion de polirizan de modo reducida. |
KR100417000B1 (ko) * | 2001-12-03 | 2004-02-05 | 삼성전자주식회사 | 저 편광 모드 분산을 위한 장치 |
US6724963B2 (en) * | 2001-12-17 | 2004-04-20 | Ceramoptec Industries, Inc. | Method and apparatus for manufacturing partially diffusing optical fibers |
JP3910486B2 (ja) * | 2002-05-17 | 2007-04-25 | 株式会社フジクラ | 光ファイバ及び光伝送路 |
EP1408354A1 (en) * | 2002-10-10 | 2004-04-14 | Corning O.T.I. SRL | Optical fiber with Bragg grating |
NL1022315C2 (nl) * | 2003-01-07 | 2004-07-13 | Draka Fibre Technology Bv | Werkwijze ter vervaardiging van een optische vezel voorzien van variaties in de brekingsindex. |
US6876804B2 (en) | 2003-03-20 | 2005-04-05 | Corning Incorporated | Method of making a spun optical fiber with low polarization mode dispersion |
US7369730B2 (en) * | 2004-12-23 | 2008-05-06 | Baker Hughes Incorporated | Random refractive index modulated optical fibers |
US8591777B2 (en) * | 2008-12-15 | 2013-11-26 | Ofs Fitel, Llc | Method of controlling longitudinal properties of optical fiber |
US8666213B2 (en) * | 2011-08-22 | 2014-03-04 | Corning Incorporated | Method of making multimode optical fibers |
US9290406B2 (en) * | 2011-08-22 | 2016-03-22 | Corning Incorporated | Method for producing optical fiber having controlled perturbations |
CN104166180B (zh) * | 2014-08-28 | 2016-11-30 | 武汉虹拓新技术有限责任公司 | 一种降低光纤偏振模色散的方法、控制器 |
RU2598093C1 (ru) * | 2015-06-26 | 2016-09-20 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Способ повышения радиационной стойкости и стабилизации светопропускания германо-силикатных стекловолокон |
FR3093719B1 (fr) * | 2019-03-15 | 2022-08-05 | Univ Limoges | Procédé et dispositif de fabrication d’une fibre optique |
Family Cites Families (7)
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 |
US4372646A (en) * | 1980-07-31 | 1983-02-08 | Rockwell International Corporation | Birefringent electromagnetic transmission line that preserves the state of polarized radiation propagating therein |
US5298047A (en) * | 1992-08-03 | 1994-03-29 | At&T Bell Laboratories | Method of making a fiber having low polarization mode dispersion due to a permanent spin |
US5363239A (en) * | 1992-12-23 | 1994-11-08 | At&T Bell Laboratories | Method for forming spatially-varying distributed Bragg reflectors in optical media |
US5400422A (en) * | 1993-01-21 | 1995-03-21 | The United States Of America As Represented By The Secretary Of The Navy | Technique to prepare high-reflectance optical fiber bragg gratings with single exposure in-line or fiber draw tower |
GB2275347A (en) * | 1993-02-19 | 1994-08-24 | Univ Southampton | Optical waveguide grating formed by transverse optical exposure |
US5400420A (en) * | 1993-11-02 | 1995-03-21 | Photon Kinetics, Inc. | Method and apparatus for applying a nanoliter quantity of liquid to a target object without solid contact |
-
1996
- 1996-01-25 EP EP96900400A patent/EP0757663B1/en not_active Expired - Lifetime
- 1996-01-25 DE DE69600288T patent/DE69600288T2/de not_active Expired - Lifetime
- 1996-01-25 CN CN96190143A patent/CN1093842C/zh not_active Expired - Lifetime
- 1996-01-25 JP JP52337996A patent/JP4232910B2/ja not_active Expired - Fee Related
- 1996-01-25 WO PCT/IB1996/000060 patent/WO1996023739A1/en active IP Right Grant
-
1998
- 1998-02-26 US US09/031,330 patent/US5992181A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003012348A (ja) * | 2001-06-29 | 2003-01-15 | Sumitomo Electric Ind Ltd | 光導波路の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0757663A1 (en) | 1997-02-12 |
DE69600288D1 (de) | 1998-06-18 |
CN1093842C (zh) | 2002-11-06 |
US5992181A (en) | 1999-11-30 |
JP4232910B2 (ja) | 2009-03-04 |
WO1996023739A1 (en) | 1996-08-08 |
DE69600288T2 (de) | 1998-12-03 |
EP0757663B1 (en) | 1998-05-13 |
CN1147804A (zh) | 1997-04-16 |
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