DE69606736D1 - Verfahren zur Herstellung optischer Faser mit geringer Polarisationsdispersion - Google Patents
Verfahren zur Herstellung optischer Faser mit geringer PolarisationsdispersionInfo
- Publication number
- DE69606736D1 DE69606736D1 DE69606736T DE69606736T DE69606736D1 DE 69606736 D1 DE69606736 D1 DE 69606736D1 DE 69606736 T DE69606736 T DE 69606736T DE 69606736 T DE69606736 T DE 69606736T DE 69606736 D1 DE69606736 D1 DE 69606736D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- optical fibers
- polarization dispersion
- low polarization
- dispersion
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
- C03B37/032—Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
-
- 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
- C03B37/02745—Fibres having rotational spin around the central longitudinal axis, e.g. alternating +/- spin to reduce polarisation mode dispersion
-
- 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
- C03B2205/06—Rotating the fibre fibre about its longitudinal axis
-
- 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)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44945595A | 1995-05-24 | 1995-05-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69606736D1 true DE69606736D1 (de) | 2000-03-30 |
DE69606736T2 DE69606736T2 (de) | 2000-07-27 |
Family
ID=23784229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1996606736 Expired - Lifetime DE69606736T2 (de) | 1995-05-24 | 1996-05-14 | Verfahren zur Herstellung optischer Faser mit geringer Polarisationsdispersion |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0744636B1 (de) |
JP (1) | JP3371056B2 (de) |
CN (1) | CN1109258C (de) |
CA (1) | CA2172747C (de) |
DE (1) | DE69606736T2 (de) |
DK (1) | DK0744636T3 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69608655T2 (de) * | 1995-08-16 | 2001-02-01 | Plasma Optical Fibre Bv | Optische faser mit geringer polarisations-moden-dispersion |
US6324872B1 (en) * | 1996-04-12 | 2001-12-04 | Corning Incorporated | Method and apparatus for introducing controlled spin in optical fibers |
JP2002518289A (ja) * | 1998-06-24 | 2002-06-25 | ピレリー・カビ・エ・システミ・ソチエタ・ペル・アツィオーニ | 予成形体から光ファイバを製造する方法及び装置 |
KR20010071612A (ko) | 1998-06-24 | 2001-07-28 | 지아네시 피에르 지오반니 | 원석으로부터 광섬유를 제조하기 위한 장치 및 방법 |
CA2359033A1 (en) * | 1999-01-27 | 2000-08-03 | Motohide Yoshida | Method and apparatus for fabricating coated optical fiber, and coated optical fiber |
WO2001035132A1 (fr) * | 1999-11-08 | 2001-05-17 | Sumitomo Electric Industries, Ltd. | Fibre optique, son procede de fabrication et systeme de transmission optique la contenant |
US6859596B2 (en) * | 2002-07-23 | 2005-02-22 | Fitel Usa Corp. | Systems and methods for forming ultra-low PMD optical fiber using amplitude and frequency keyed fiber spin functions |
KR100441156B1 (ko) * | 2002-08-31 | 2004-07-19 | 엘지전선 주식회사 | 광섬유에 인가되는 스핀을 모니터링하는 방법 및 양방향스핀의 대칭성을 확보하기 위한 광섬유 제조방법 |
FR2844260B1 (fr) * | 2002-09-09 | 2004-11-12 | Cit Alcatel | Systeme anti-pmd |
FR2849438B1 (fr) * | 2002-12-31 | 2005-03-18 | Cit Alcatel | Procede de controle de la dispersion modale de polarisation d'une fibre optique lors du fibrage |
FR2856805B1 (fr) * | 2003-06-24 | 2005-10-28 | Cit Alcatel | Systeme cotre la dispersion modale de polarisation d'une fibre optique |
US7317855B2 (en) * | 2004-12-16 | 2008-01-08 | Corning Incorporated | Method of imparting twist to optical fiber |
JP2006347785A (ja) * | 2005-06-13 | 2006-12-28 | Shin Etsu Chem Co Ltd | 光ファイバーの線引き装置及び線引き方法 |
JP2009520996A (ja) * | 2005-12-23 | 2009-05-28 | プリスミアン・カビ・エ・システミ・エネルジア・ソチエタ・ア・レスポンサビリタ・リミタータ | 偏波モード分散が減少した光ファイバを製造する方法及び装置 |
WO2007147440A1 (en) * | 2006-06-22 | 2007-12-27 | Prysmian S.P.A. | Method of making a low pmd optical fiber |
JP5481830B2 (ja) | 2008-10-20 | 2014-04-23 | 住友電気工業株式会社 | 光ファイバの製造装置および製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP3557606B2 (ja) * | 1995-03-01 | 2004-08-25 | 住友電気工業株式会社 | 光ファイバおよび光ファイバの製造方法 |
DE69608655T2 (de) * | 1995-08-16 | 2001-02-01 | Plasma Optical Fibre Bv | Optische faser mit geringer polarisations-moden-dispersion |
-
1996
- 1996-03-27 CA CA 2172747 patent/CA2172747C/en not_active Expired - Fee Related
- 1996-05-14 DE DE1996606736 patent/DE69606736T2/de not_active Expired - Lifetime
- 1996-05-14 DK DK96303407T patent/DK0744636T3/da active
- 1996-05-14 EP EP19960303407 patent/EP0744636B1/de not_active Expired - Lifetime
- 1996-05-22 CN CN 96105498 patent/CN1109258C/zh not_active Expired - Fee Related
- 1996-05-24 JP JP12963496A patent/JP3371056B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0744636B1 (de) | 2000-02-23 |
CN1109258C (zh) | 2003-05-21 |
CA2172747A1 (en) | 1996-11-25 |
CN1159589A (zh) | 1997-09-17 |
DE69606736T2 (de) | 2000-07-27 |
CA2172747C (en) | 1999-06-08 |
MX9601908A (es) | 1997-07-31 |
JPH092834A (ja) | 1997-01-07 |
EP0744636A3 (de) | 1997-06-04 |
EP0744636A2 (de) | 1996-11-27 |
JP3371056B2 (ja) | 2003-01-27 |
DK0744636T3 (da) | 2000-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68927431D1 (de) | Polarisationserhaltende optische Faser zur Herstellung von Kopplern | |
DE69614382T2 (de) | Faseroptisches bandkabel und verfahren zur dessen herstellung | |
DE69623550D1 (de) | Verfahren zur Herstellung von Graphitfasern | |
DE69625155D1 (de) | Optische Einmodennachrichtenfaser und Verfahren zur Herstellung der Faser | |
DE69606736D1 (de) | Verfahren zur Herstellung optischer Faser mit geringer Polarisationsdispersion | |
DE69010249D1 (de) | Verfahren zur Herstellung optischer Wellenleiter. | |
DE68929009T2 (de) | Verfahren zur Herstellung einer optischen Faser | |
DE69730945D1 (de) | Optische faser mit modifiziertem drall zur verringerung der polarisationsmodendispersion sowie verfahren zu ihrer herstellung | |
DE69230524D1 (de) | Optische faser mit brechungsindexverteilung und verfahren zur herstellung | |
DE69502689D1 (de) | Verfahren zur Herstellung von Polarisierendem Glas | |
DE69832355D1 (de) | Verfahren zur herstellung einer optischen faser mit verteiltem brechungsindex | |
DE59601715D1 (de) | Verfahren zur Herstellung von Faserfiltern | |
DE69602655D1 (de) | Verfahren zur Herstellung von optisch aktiven Polyketonen | |
DE69522742D1 (de) | Verfahren zur Herstellung von Kurzfasern | |
DE69608664D1 (de) | Verfahren zur Herstellung eines blasenfreien Lichtwellenleiters | |
DE68908110T2 (de) | Verfahren zur Herstellung einer optischen Faser. | |
DE69508336D1 (de) | Verfahren zur Herstellung von gemahlenen Graphitfasern | |
DE69323980D1 (de) | Verfahren zur Herstellung von Vorformen für optische Wellenleiter | |
DE69125907T2 (de) | Verfahren zur Herstellung von Faseroptischen Kollinatoren | |
DE69604183D1 (de) | Optische faser und optisches faserband mit zugehoerigem herstellungsverfahren | |
DE69220656T2 (de) | Verfahren zur Herstellung von gleichförmige Polymerfasern | |
IT1278383B1 (it) | Procedimento per la fabbricazione di fibre ottiche a mantenimento di polarizzazione | |
DE69328735D1 (de) | Verfahren zur Herstellung von faseroptischen Kopplern | |
DE3889413T2 (de) | Polarisationsbehaltende optische faser und verfahren zur herstellung. | |
DE69606110T2 (de) | Verfahren zur Herstellung von Fasern |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |