ATE60450T1 - Herstellung von optischen fiberkopplern. - Google Patents
Herstellung von optischen fiberkopplern.Info
- Publication number
- ATE60450T1 ATE60450T1 AT86200171T AT86200171T ATE60450T1 AT E60450 T1 ATE60450 T1 AT E60450T1 AT 86200171 T AT86200171 T AT 86200171T AT 86200171 T AT86200171 T AT 86200171T AT E60450 T1 ATE60450 T1 AT E60450T1
- Authority
- AT
- Austria
- Prior art keywords
- optical fiber
- manufacture
- fiber couplers
- couplers
- series
- Prior art date
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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
-
- 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
- G02B6/2821—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 using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—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 using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
-
- 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
- G02B6/2821—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 using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—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 using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
- G02B6/283—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 using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable
-
- 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
- G02B6/2861—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 using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
-
- 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
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Integrated Circuits (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/323,038 US4558920A (en) | 1981-11-19 | 1981-11-19 | Tapped optical fiber delay line |
EP86200171A EP0193224B1 (de) | 1981-11-19 | 1982-11-09 | Herstellung von optischen Fiberkopplern |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE60450T1 true ATE60450T1 (de) | 1991-02-15 |
Family
ID=23257513
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT82305950T ATE44829T1 (de) | 1981-11-19 | 1982-11-09 | Laufzeitleitung aus einer mit anzapfungen versehenen optischen faser. |
AT86200171T ATE60450T1 (de) | 1981-11-19 | 1982-11-09 | Herstellung von optischen fiberkopplern. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT82305950T ATE44829T1 (de) | 1981-11-19 | 1982-11-09 | Laufzeitleitung aus einer mit anzapfungen versehenen optischen faser. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4558920A (de) |
EP (2) | EP0193224B1 (de) |
JP (1) | JPS5893005A (de) |
KR (1) | KR880002472B1 (de) |
AT (2) | ATE44829T1 (de) |
AU (1) | AU561142B2 (de) |
BR (1) | BR8206674A (de) |
CA (1) | CA1212853A (de) |
DE (2) | DE3280298D1 (de) |
IL (1) | IL67203A (de) |
NO (1) | NO823870L (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4511207A (en) * | 1981-11-19 | 1985-04-16 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic data distributor |
US4702550A (en) * | 1982-03-08 | 1987-10-27 | Fuji Electric Company, Ltd. | Optical fiber frequency filter and multiplexer using same |
IL69003A (en) * | 1982-06-21 | 1987-12-31 | Univ Leland Stanford Junior | Optical guided wave signal processor |
AU558937B2 (en) * | 1982-11-12 | 1987-02-12 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic switch and discretely variable delay line |
DE3322947A1 (de) * | 1983-06-25 | 1985-01-10 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Transversalfilter fuer elektromagnetische wellen |
GB2152694B (en) * | 1984-01-05 | 1987-06-24 | Standard Telephones Cables Ltd | Wavelength selective optical waveguide coupler |
US4676594A (en) * | 1984-11-16 | 1987-06-30 | American Telephone And Telegraph Company | Optical fiber mode scrambler |
GB8511688D0 (en) * | 1985-05-09 | 1985-06-19 | British Telecomm | Frequency locking electromagnetic signals |
AU582893B2 (en) * | 1985-09-10 | 1989-04-13 | Gec-Marconi Limited | Improvements relating to optical devices |
US4707061A (en) * | 1985-10-03 | 1987-11-17 | Polaroid Corporation | Optical communication system employing frequency reference |
US4864651A (en) * | 1985-10-22 | 1989-09-05 | Canon Kabushiki Kaisha | Light communication apparatus with tracking ability |
NL8502908A (nl) * | 1985-10-24 | 1987-05-18 | Philips Nv | Werkwijze voor het vervaardigen van een groot aantal optische componenten. |
US4810052A (en) * | 1986-01-07 | 1989-03-07 | Litton Systems, Inc | Fiber optic bidirectional data bus tap |
US4818051A (en) * | 1987-08-10 | 1989-04-04 | Us West Advanced Technologies, Inc. | Optical bus |
US4923273A (en) * | 1987-10-13 | 1990-05-08 | Texas A&M University System | Method for producing reflective taps in optical fibers and applications thereof |
US4815805A (en) * | 1987-11-12 | 1989-03-28 | Raychem Corp. | Dynamic range reduction using mode filter |
FR2627037B1 (fr) * | 1988-02-08 | 1992-12-11 | Comp Generale Electricite | Reseau optique a multiplexage temporel |
US4941724A (en) * | 1988-08-29 | 1990-07-17 | International Business Machines Corporation | Optical fiber connection utilizing photodiode means |
DE3833634A1 (de) * | 1988-10-04 | 1990-04-12 | Messerschmitt Boelkow Blohm | Laserwarnsensor |
US5058060A (en) * | 1988-12-05 | 1991-10-15 | Gte Laboratories Incorporated | Optical memory cell |
US4923267A (en) * | 1988-12-05 | 1990-05-08 | Gte Laboratories Incorporated | Optical fiber shift register |
US4890893A (en) * | 1989-03-02 | 1990-01-02 | Bell Communications Research, Inc. | Dark fiber switched bandwidth filter |
US4934777A (en) * | 1989-03-21 | 1990-06-19 | Pco, Inc. | Cascaded recirculating transmission line without bending loss limitations |
US5037172A (en) * | 1989-03-22 | 1991-08-06 | Teledyne Industry, Inc. | Fiber optic device with a reflective notch coupler |
US5015842A (en) * | 1989-06-01 | 1991-05-14 | United Technologies Corporation | High density fiber optic damage detection system |
US5002352A (en) * | 1989-12-07 | 1991-03-26 | General Dynamics Corp., Electronics Divn. | Monolithic array of fiber optic bandpass filters |
US5121240A (en) * | 1990-08-29 | 1992-06-09 | The Trustees Of Columbia University In The City Of New York | Optical packet time compression and expansion |
US5140651A (en) * | 1991-06-27 | 1992-08-18 | The United States Of America As Represented By The Secretary Of The Air Force | Semiconductive guided-wave programmable optical delay lines using electrooptic fabry-perot elements |
US5218652A (en) * | 1991-08-29 | 1993-06-08 | Minnesota Mining And Manufacturing Company | Depolarizer for electromagnetic radiation |
US5401953A (en) * | 1993-09-23 | 1995-03-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Optically-switched submillimeter-wave oscillator and radiator having a switch-to-switch propagation delay |
US6490391B1 (en) * | 2000-07-12 | 2002-12-03 | Oluma, Inc. | Devices based on fibers engaged to substrates with grooves |
KR100416688B1 (ko) * | 2001-11-08 | 2004-01-31 | 주식회사 한택 | 광소자가 집적된 광섬유 블럭 |
US7266270B2 (en) * | 2002-03-15 | 2007-09-04 | Tessera North America | Waveguide to waveguide monitor |
US6754417B2 (en) * | 2002-04-24 | 2004-06-22 | Agilent Technologies, Inc. | Optical fiber tap capable of random placement along an optical fiber |
US6885795B1 (en) * | 2002-05-31 | 2005-04-26 | Kotusa, Inc. | Waveguide tap monitor |
US6947622B2 (en) * | 2002-06-27 | 2005-09-20 | Kotura, Inc. | Wafer level testing of optical components |
US7308166B1 (en) | 2002-10-08 | 2007-12-11 | Kotura, Inc. | Coupling a light sensor array with an optical component |
US6888982B2 (en) * | 2002-12-18 | 2005-05-03 | Hrl Laboratories, Llc | Recursive optical delay line filter with neutralization |
US8131122B2 (en) * | 2008-07-26 | 2012-03-06 | Zhejiang University | Monolithically integrated multi-directional transceiver |
WO2011100068A2 (en) * | 2010-02-12 | 2011-08-18 | Eigenlight Corporation | Hermetic package with leaded feedthroughs for in-line fiber optic devices and method of making |
RU2626045C1 (ru) * | 2016-06-20 | 2017-07-21 | Федеральное государственное бюджетное учреждение науки Научный центр волоконной оптики Российской академии наук, (НЦВО РАН) | Линии задержки на многосердцевинном оптическом волокне |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3548189A (en) * | 1965-06-16 | 1970-12-15 | Aden B Meinel | Method employing ion beams for polishing and figuring refractory dielectrics |
DE1621510A1 (de) * | 1967-03-23 | 1971-04-29 | Siemens Ag | Loesungsmittelgemisch mit Salpetersaeure und Flusssaeure zum nasschemischen AEtzen von Silizium |
US3704060A (en) * | 1971-08-31 | 1972-11-28 | Joseph T Mcnaney | Electrically controllable light conducting device |
US3785716A (en) * | 1972-01-03 | 1974-01-15 | Corning Glass Works | Optical waveguide delay line |
US3773289A (en) * | 1972-06-20 | 1973-11-20 | Bell Telephone Labor Inc | Photodetector delay equalizer |
US3777149A (en) * | 1972-07-17 | 1973-12-04 | Bell Telephone Labor Inc | Signal detection and delay equalization in optical fiber transmission systems |
CA969744A (en) * | 1972-09-08 | 1975-06-24 | Louis P. Boivin | Coupling of optical fibres |
JPS579041B2 (de) * | 1974-11-29 | 1982-02-19 | ||
DE2516975C2 (de) * | 1975-04-17 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Herstellung eines optischen Wellenleiters |
JPS5936725B2 (ja) * | 1975-08-20 | 1984-09-05 | 株式会社日立製作所 | 光分岐用ファイバ−の製造方法 |
DE2553685C2 (de) * | 1975-11-28 | 1985-05-09 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Herstellung eines optischen Richtkopplers |
US4019051A (en) * | 1975-12-24 | 1977-04-19 | Bell Telephone Laboratories, Incorporated | Directional optical waveguide couplers |
US4076375A (en) * | 1975-12-24 | 1978-02-28 | Bell Telephone Laboratories, Incorporated | Directional optical waveguide coupler and power tap arrangement |
US4021097A (en) * | 1976-03-08 | 1977-05-03 | Sperry Rand Corporation | Distributive tee coupler |
US4079404A (en) * | 1976-12-30 | 1978-03-14 | International Business Machines Corporation | Self-aligning support structure for optical components |
JPS5926006B2 (ja) * | 1977-01-22 | 1984-06-23 | 日本電信電話株式会社 | 光結合器の製造方法 |
US4159418A (en) * | 1977-06-23 | 1979-06-26 | Hughes Aircraft Company | Delay line encoder-decoder |
US4277134A (en) * | 1978-01-19 | 1981-07-07 | Honeywell Inc. | Fiber optic loop signal coupler apparatus |
US4165150A (en) * | 1978-04-10 | 1979-08-21 | Northern Telecom Limited | Low loss directional coupling for optical fibres |
US4342499A (en) * | 1979-03-19 | 1982-08-03 | Hicks Jr John W | Communications tuning construction |
US4261640A (en) * | 1979-04-03 | 1981-04-14 | Harris Corporation | In-line optic attenuators for optical fibers |
DE2922938A1 (de) * | 1979-06-01 | 1980-12-11 | Hertz Inst Heinrich | Lichtleiter-richtkoppler |
JPS5611432A (en) * | 1979-07-09 | 1981-02-04 | Matsushita Electric Ind Co Ltd | Light delay device |
DE2930454A1 (de) * | 1979-07-24 | 1981-02-12 | Hertz Inst Heinrich | Verfahren zur herstellung von lichtleiter-richtkopplern |
US4296319A (en) * | 1979-12-07 | 1981-10-20 | The United States Of America As Represented By The United States Department Of Energy | Waveform synthesizer |
DE3008051A1 (de) * | 1980-03-03 | 1981-09-10 | Siemens AG, 1000 Berlin und 8000 München | Optischer baustein fuer multiplexer/demultiplexer |
US4493528A (en) * | 1980-04-11 | 1985-01-15 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic directional coupler |
US4386822A (en) * | 1980-10-10 | 1983-06-07 | The Leland Stanford Junior University | Polarizer and method |
-
1981
- 1981-11-19 US US06/323,038 patent/US4558920A/en not_active Expired - Lifetime
-
1982
- 1982-11-08 IL IL67203A patent/IL67203A/xx not_active IP Right Cessation
- 1982-11-09 AU AU90285/82A patent/AU561142B2/en not_active Ceased
- 1982-11-09 AT AT82305950T patent/ATE44829T1/de not_active IP Right Cessation
- 1982-11-09 EP EP86200171A patent/EP0193224B1/de not_active Expired - Lifetime
- 1982-11-09 AT AT86200171T patent/ATE60450T1/de not_active IP Right Cessation
- 1982-11-09 DE DE8686200171T patent/DE3280298D1/de not_active Expired - Lifetime
- 1982-11-09 EP EP82305950A patent/EP0081296B1/de not_active Expired
- 1982-11-09 DE DE8282305950T patent/DE3279828D1/de not_active Expired
- 1982-11-16 JP JP57201812A patent/JPS5893005A/ja active Granted
- 1982-11-18 BR BR8206674A patent/BR8206674A/pt unknown
- 1982-11-18 KR KR8205209A patent/KR880002472B1/ko active
- 1982-11-18 NO NO823870A patent/NO823870L/no unknown
- 1982-11-18 CA CA000415817A patent/CA1212853A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR8206674A (pt) | 1983-10-04 |
EP0193224A1 (de) | 1986-09-03 |
AU9028582A (en) | 1983-05-26 |
IL67203A (en) | 1985-04-30 |
JPH0220083B2 (de) | 1990-05-08 |
US4558920A (en) | 1985-12-17 |
EP0193224B1 (de) | 1991-01-23 |
DE3279828D1 (en) | 1989-08-24 |
CA1212853A (en) | 1986-10-21 |
KR840002527A (ko) | 1984-07-02 |
DE3280298D1 (de) | 1991-02-28 |
ATE44829T1 (de) | 1989-08-15 |
KR880002472B1 (en) | 1988-11-14 |
AU561142B2 (en) | 1987-04-30 |
EP0081296B1 (de) | 1989-07-19 |
NO823870L (no) | 1983-05-20 |
IL67203A0 (en) | 1983-03-31 |
JPS5893005A (ja) | 1983-06-02 |
EP0081296A1 (de) | 1983-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE60450T1 (de) | Herstellung von optischen fiberkopplern. | |
IT7927477A0 (it) | Metodo di fabbricazione di preforme di fibre ottiche. | |
FR2425411B1 (fr) | Procede de fabrication d'une fibre optique | |
BR8203656A (pt) | Fibra otica do tipo de indice escalonado e processo para sua producao | |
FR2337212A1 (fr) | Fibre creuse et procede de fabrication d'une telle fibre | |
DE3687465D1 (de) | Optische karten und verfahren zu ihrer herstellung. | |
DE69010249D1 (de) | Verfahren zur Herstellung optischer Wellenleiter. | |
DK143481A (da) | Fremgangsmaade til fremstilling af fibre | |
FR2503385B1 (fr) | Procede de fabrication de cable de fibres optiques et cable ainsi obtenu | |
IT1147012B (it) | Metodo per la produzione di fibre da cataste di pasta di legno | |
DE3581546D1 (de) | Optischer filter und verfahren zur herstellung. | |
DE3587787D1 (de) | Verfahren zur Herstellung von Hohlfasern. | |
DE3782713D1 (de) | Faseroptisches spleissverfahren. | |
IT8024043A0 (it) | Metodo ed apparecchio per laproduzione di fibre di legno. | |
FR2496088B1 (fr) | Appareil et procede de fabrication d'ebauches de fibres optiques | |
JPS5753709A (en) | Plural refraction optical fiber and method of manufacturing same | |
BE879246A (fr) | Procede de fabrication de preformes et de fibres optiques de haute resistance | |
DE3886646D1 (de) | Verfahren zur Herstellung von Öffnungen auf einer Anordnung von Elementarlinsen. | |
FR2506792B1 (fr) | Procede de fabrication de fibres creuses et fibres creuses ainsi obtenues | |
IT1166558B (it) | Metodo per la produzione di fibre ottiche per telecomunicazioni | |
DE58907478D1 (de) | Lichtleiter auf Basis von Polycarbonatfasern und Verfahren zu ihrer Herstellung. | |
GB2019829A (en) | Method of manufacturing graded index optical fibres | |
FR2496087B1 (fr) | Procede et appareil de fabrication d'ebauches poreuses de fibres optiques | |
BR8108767A (pt) | Processo para a producao de fibras oticas multiplas | |
IT1090000B (it) | Processo per la produzione di fibre poliestere idrofile |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties | ||
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |