DE69025737T2 - Verfahren zur Herstellung von 1xN-Kopplern für optische Fasern - Google Patents
Verfahren zur Herstellung von 1xN-Kopplern für optische FasernInfo
- Publication number
- DE69025737T2 DE69025737T2 DE69025737T DE69025737T DE69025737T2 DE 69025737 T2 DE69025737 T2 DE 69025737T2 DE 69025737 T DE69025737 T DE 69025737T DE 69025737 T DE69025737 T DE 69025737T DE 69025737 T2 DE69025737 T2 DE 69025737T2
- Authority
- DE
- Germany
- Prior art keywords
- couplers
- production
- optical fibers
- fibers
- 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.)
- Expired - Fee Related
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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2856—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers formed or shaped by thermal heating means, e.g. splitting, branching and/or combining elements
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/07—Re-forming tubes or rods by blowing, e.g. for making electric bulbs
- C03B23/073—Vacuum-blowing
- C03B23/076—Shrinking the glass tube on to a mandrel
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
- G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/461,100 US4983195A (en) | 1990-01-04 | 1990-01-04 | Method of making fiber optic coupler with longitudinal protrusions |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69025737D1 DE69025737D1 (de) | 1996-04-11 |
DE69025737T2 true DE69025737T2 (de) | 1996-08-14 |
Family
ID=23831230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69025737T Expired - Fee Related DE69025737T2 (de) | 1990-01-04 | 1990-11-26 | Verfahren zur Herstellung von 1xN-Kopplern für optische Fasern |
Country Status (7)
Country | Link |
---|---|
US (1) | US4983195A (de) |
EP (1) | EP0436112B1 (de) |
JP (1) | JPH04130305A (de) |
CA (1) | CA2031389A1 (de) |
DE (1) | DE69025737T2 (de) |
HK (1) | HK123296A (de) |
SG (1) | SG47642A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4123417C2 (de) * | 1991-07-15 | 1994-12-15 | Siemens Ag | Mehrfachkoppler für Lichtwellenleiter und Verfahren zu seiner Herstellung |
US5472471A (en) * | 1991-10-18 | 1995-12-05 | Sumita Optical Glass, Inc. | Process for the production of an optical fiber bundle for heat resistance and vacuum resistance by bonding fiber ends with a bonding glass |
US5522003A (en) | 1993-03-02 | 1996-05-28 | Ward; Robert M. | Glass preform with deep radial gradient layer and method of manufacturing same |
AU6700394A (en) * | 1993-04-06 | 1994-10-24 | Porta Systems Corporation | Fiberoptic coupling |
WO1995013554A1 (en) * | 1993-11-10 | 1995-05-18 | Aofr Pty. Limited | Fibre optic couplers |
US6137927A (en) * | 1998-01-16 | 2000-10-24 | Corning Incorporated | N-port reconfigurable DWDM multiplexer and demultiplexer |
US6427491B1 (en) * | 1999-08-20 | 2002-08-06 | Corning Incorporated | Method for making fibers having cores with non-circular cross-sections |
JP3937742B2 (ja) * | 2001-03-28 | 2007-06-27 | キヤノン株式会社 | プローブ担体及びその製造方法 |
US7435572B2 (en) * | 2002-04-12 | 2008-10-14 | New England Biolabs, Inc. | Methods and compositions for DNA manipulation |
US7221837B2 (en) * | 2003-06-20 | 2007-05-22 | Itt Manufacturing Enterprises, Inc. | Device and method for reducing glass flow during the manufacture of microchannel plates |
JP2008277582A (ja) * | 2007-04-27 | 2008-11-13 | Fujikura Ltd | 光ポンピングデバイス用マルチコアファイバとその製造方法、光ポンピングデバイス、ファイバレーザ及びファイバ増幅器 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1252126A (de) * | 1967-11-08 | 1971-11-03 | ||
US3932162A (en) * | 1974-06-21 | 1976-01-13 | Corning Glass Works | Method of making glass optical waveguide |
DE2812346A1 (de) * | 1977-03-23 | 1978-09-28 | Tokyo Shibaura Electric Co | Lichtverteiler |
US4291940A (en) * | 1977-06-13 | 1981-09-29 | Canadian Patents & Development Ltd. | Low loss access coupler for multimode optical fiber distribution systems |
EP0000866B1 (de) * | 1977-08-23 | 1981-05-20 | Bruker Franzen Analytik GmbH | Verfahren zum Herstellen eines Analysatorsystems für ein Multipol-Massenfilter |
US4299609A (en) * | 1977-09-27 | 1981-11-10 | Siemens Aktiengesellschaft | Optical unit having a longitudinal side coupling zone |
US4179186A (en) * | 1978-03-31 | 1979-12-18 | Bell Telephone Laboratories, Incorporated | Apparatus and method of splicing optical fibers |
JPS55146409A (en) * | 1979-05-02 | 1980-11-14 | Sumitomo Electric Ind Ltd | Photo coupling device |
CA1118621A (en) * | 1979-11-01 | 1982-02-23 | Lawrence C. Smyth | Method and jig for making optical fiber couplers |
JPS56126817A (en) * | 1980-03-11 | 1981-10-05 | Sharp Corp | Working method of optical fiber end lens |
DE3035089A1 (de) * | 1980-09-17 | 1982-04-22 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung von verteiler- und mischerelementen fuer die optische nachrichtentechnik und verfahren zur herstellung einer fuer das erstgenannte verfahren notwendigen vorform |
US4377403A (en) * | 1980-09-29 | 1983-03-22 | The United States Of America As Represented By The Secretary Of The Navy | Method of fabricating a fused single-mode fiber bidirectional coupler |
US4426215A (en) * | 1981-10-07 | 1984-01-17 | International Telephone And Telegraph Corporation | Method of fabricating a low loss fused biconical taper fiber optic coupler |
US4490163A (en) * | 1982-03-22 | 1984-12-25 | U.S. Philips Corporation | Method of manufacturing a fiber-optical coupling element |
JPS59195615A (ja) * | 1983-04-21 | 1984-11-06 | Sumitomo Electric Ind Ltd | 光フアイバ分岐の製造方法 |
JPS59195617A (ja) * | 1983-04-21 | 1984-11-06 | Mitsubishi Electric Corp | スタ−カプラ |
GB2150703B (en) * | 1983-11-30 | 1987-03-11 | Standard Telephones Cables Ltd | Single mode fibre directional coupler |
JPS60154215A (ja) * | 1984-01-25 | 1985-08-13 | Nippon Telegr & Teleph Corp <Ntt> | フアイバ形方向性結合器 |
AU569803B2 (en) * | 1984-09-06 | 1988-02-18 | Hitachi Limited | Optical fibre star coupler |
JPH0721568B2 (ja) * | 1985-04-01 | 1995-03-08 | 株式会社日立製作所 | 光フアイバカプラ |
DE3685911T2 (de) * | 1985-04-19 | 1993-02-18 | Philips Nv | Herstellungsverfahren einer passiven faseroptischen komponente. |
JPS6217709A (ja) * | 1985-07-17 | 1987-01-26 | Nippon Telegr & Teleph Corp <Ntt> | 光結合器 |
US4704151A (en) * | 1985-08-15 | 1987-11-03 | Corning Glass Works | Method for drawing fiber optic coupler |
US4750926A (en) * | 1987-08-07 | 1988-06-14 | Corning Glass Works | Method of making precision shaped apertures in glass |
US4931076A (en) * | 1987-08-07 | 1990-06-05 | Corning Incorporated | Method of making fiber optic coupler |
US4902324A (en) * | 1988-07-25 | 1990-02-20 | Corning Incorporated | Method of reproducibly making fiber optic coupler |
US4902323A (en) * | 1988-10-24 | 1990-02-20 | Corning Incorporated | Method of making fiber optic coupler |
-
1990
- 1990-01-04 US US07/461,100 patent/US4983195A/en not_active Expired - Lifetime
- 1990-11-26 EP EP90122499A patent/EP0436112B1/de not_active Expired - Lifetime
- 1990-11-26 DE DE69025737T patent/DE69025737T2/de not_active Expired - Fee Related
- 1990-11-26 SG SG1996003333A patent/SG47642A1/en unknown
- 1990-12-03 CA CA002031389A patent/CA2031389A1/en not_active Abandoned
- 1990-12-26 JP JP2414123A patent/JPH04130305A/ja active Pending
-
1996
- 1996-07-11 HK HK123296A patent/HK123296A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK123296A (en) | 1996-07-19 |
JPH04130305A (ja) | 1992-05-01 |
EP0436112B1 (de) | 1996-03-06 |
CA2031389A1 (en) | 1991-07-05 |
US4983195A (en) | 1991-01-08 |
EP0436112A1 (de) | 1991-07-10 |
DE69025737D1 (de) | 1996-04-11 |
SG47642A1 (en) | 1998-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |