JPS5521090A - Wideband gradient refractive index type filament and making preform therefor - Google Patents
Wideband gradient refractive index type filament and making preform thereforInfo
- Publication number
- JPS5521090A JPS5521090A JP9209979A JP9209979A JPS5521090A JP S5521090 A JPS5521090 A JP S5521090A JP 9209979 A JP9209979 A JP 9209979A JP 9209979 A JP9209979 A JP 9209979A JP S5521090 A JPS5521090 A JP S5521090A
- Authority
- JP
- Japan
- Prior art keywords
- refractive index
- index type
- gradient refractive
- type filament
- making preform
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
-
- 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
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
-
- 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
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/26—Parabolic or graded index [GRIN] core profile
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/929,415 US4229070A (en) | 1978-07-31 | 1978-07-31 | High bandwidth optical waveguide having B2 O3 free core and method of fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5521090A true JPS5521090A (en) | 1980-02-14 |
JPS6337045B2 JPS6337045B2 (ja) | 1988-07-22 |
Family
ID=25457828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9209979A Granted JPS5521090A (en) | 1978-07-31 | 1979-07-19 | Wideband gradient refractive index type filament and making preform therefor |
Country Status (20)
Country | Link |
---|---|
US (1) | US4229070A (ja) |
JP (1) | JPS5521090A (ja) |
AT (1) | AT395271B (ja) |
AU (1) | AU512910B2 (ja) |
BE (1) | BE877900A (ja) |
BR (1) | BR7904787A (ja) |
CA (1) | CA1116449A (ja) |
CH (1) | CH641280A5 (ja) |
DE (1) | DE2930398A1 (ja) |
DK (1) | DK152631B (ja) |
ES (2) | ES482852A1 (ja) |
FI (1) | FI77945C (ja) |
FR (1) | FR2432487A1 (ja) |
GB (1) | GB2027224B (ja) |
IL (1) | IL57899A (ja) |
IT (1) | IT1122359B (ja) |
NL (1) | NL191720C (ja) |
NO (1) | NO792482L (ja) |
SE (1) | SE443242B (ja) |
YU (1) | YU184579A (ja) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2062611A (en) * | 1979-10-29 | 1981-05-28 | Standard Telephones Cables Ltd | Single mode optical fibre |
US4339174A (en) * | 1980-02-01 | 1982-07-13 | Corning Glass Works | High bandwidth optical waveguide |
CA1170876A (en) * | 1980-12-29 | 1984-07-17 | Koichi Abe | Fiber with coarse index gradient |
CA1205307A (en) * | 1981-12-07 | 1986-06-03 | Venkata A. Bhagavatula | Low dispersion, low-loss single-mode optical waveguide |
US4770494A (en) * | 1986-02-12 | 1988-09-13 | American Telephone & Telegraph Company, At&T Bell Laboratories | Low-loss silica optical waveguides |
DE3842804A1 (de) * | 1988-12-20 | 1990-06-21 | Rheydt Kabelwerk Ag | Lichtwellenleiter |
DE3923686A1 (de) * | 1989-07-18 | 1991-01-24 | Rheydt Kabelwerk Ag | Verfahren zur vorbehandlung eines substratrohres fuer lichtwellenleiter |
DE3938386A1 (de) * | 1989-11-18 | 1991-05-23 | Rheydt Kabelwerk Ag | Lichtwellenleiter |
WO1993002018A1 (en) * | 1991-07-15 | 1993-02-04 | The University Of Sydney | Light transmitting device having regions of differing refractive index |
JP3219437B2 (ja) * | 1991-10-28 | 2001-10-15 | オリンパス光学工業株式会社 | 屈折率分布型光学素子 |
KR0153835B1 (ko) * | 1995-11-07 | 1998-11-16 | 김광호 | 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법 |
US5852690A (en) * | 1997-06-30 | 1998-12-22 | Minnesota Mining And Manufacturing Company | Depressed cladding fiber design for reducing coupling to cladding modes in fiber gratings |
WO2002057812A2 (en) * | 2001-01-17 | 2002-07-25 | Neophotonics Corporation | Optical materials with selected index-of-refraction |
JP4379937B2 (ja) * | 1999-01-08 | 2009-12-09 | ソニー株式会社 | 半導体レーザの製造方法 |
US6307995B1 (en) | 2000-04-05 | 2001-10-23 | James T. Veligdan | Planar optical waveguides for optical panel having gradient refractive index core |
CA2355819A1 (en) * | 2000-08-28 | 2002-02-28 | Sumitomo Electric Industries, Ltd. | Optical fiber, method of making optical fiber preform, and method of making optical fiber |
WO2002098808A1 (en) * | 2001-05-31 | 2002-12-12 | Corning Incorporated | Method of low pmd optical fiber manufacture |
JP2004536764A (ja) * | 2001-07-31 | 2004-12-09 | コーニング・インコーポレーテッド | 低偏波モード分散光ファイバ製造方法 |
NL1024015C2 (nl) | 2003-07-28 | 2005-02-01 | Draka Fibre Technology Bv | Multimode optische vezel voorzien van een brekingsindexprofiel, optisch communicatiesysteem onder toepassing daarvan en werkwijze ter vervaardiging van een dergelijke vezel. |
US7787731B2 (en) * | 2007-01-08 | 2010-08-31 | Corning Incorporated | Bend resistant multimode optical fiber |
FR2922657B1 (fr) * | 2007-10-23 | 2010-02-12 | Draka Comteq France | Fibre multimode. |
US20090169163A1 (en) * | 2007-12-13 | 2009-07-02 | Abbott Iii John Steele | Bend Resistant Multimode Optical Fiber |
FR2932932B1 (fr) * | 2008-06-23 | 2010-08-13 | Draka Comteq France Sa | Systeme optique multiplexe en longueur d'ondes avec fibres optiques multimodes |
FR2933779B1 (fr) * | 2008-07-08 | 2010-08-27 | Draka Comteq France | Fibres optiques multimodes |
FR2940839B1 (fr) | 2009-01-08 | 2012-09-14 | Draka Comteq France | Fibre optique multimodale a gradient d'indice, procedes de caracterisation et de fabrication d'une telle fibre |
FR2946436B1 (fr) | 2009-06-05 | 2011-12-09 | Draka Comteq France | Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee |
FR2949870B1 (fr) * | 2009-09-09 | 2011-12-16 | Draka Compteq France | Fibre optique multimode presentant des pertes en courbure ameliorees |
FR2953605B1 (fr) * | 2009-12-03 | 2011-12-16 | Draka Comteq France | Fibre optique multimode a large bande passante et a faibles pertes par courbure |
FR2953606B1 (fr) * | 2009-12-03 | 2012-04-27 | Draka Comteq France | Fibre optique multimode a large bande passante et a faibles pertes par courbure |
FR2953030B1 (fr) * | 2009-11-25 | 2011-11-18 | Draka Comteq France | Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee |
US9014525B2 (en) | 2009-09-09 | 2015-04-21 | Draka Comteq, B.V. | Trench-assisted multimode optical fiber |
FR2953029B1 (fr) | 2009-11-25 | 2011-11-18 | Draka Comteq France | Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee |
FR2957153B1 (fr) * | 2010-03-02 | 2012-08-10 | Draka Comteq France | Fibre optique multimode a large bande passante et a faibles pertes par courbure |
FR2950156B1 (fr) * | 2009-09-17 | 2011-11-18 | Draka Comteq France | Fibre optique multimode |
US7865050B1 (en) * | 2010-02-16 | 2011-01-04 | Ofs Fitel, Llc | Equalizing modal delay of high order modes in bend insensitive multimode fiber |
JP5743596B2 (ja) * | 2010-02-22 | 2015-07-01 | オーエフエス ファイテル,エルエルシー | 切頂コアを有する光ファイバ |
FR2966256B1 (fr) | 2010-10-18 | 2012-11-16 | Draka Comteq France | Fibre optique multimode insensible aux pertes par |
US9481599B2 (en) | 2010-12-21 | 2016-11-01 | Corning Incorporated | Method of making a multimode optical fiber |
ES2494640T3 (es) | 2011-01-31 | 2014-09-15 | Draka Comteq B.V. | Fibra multimodo |
FR2971061B1 (fr) | 2011-01-31 | 2013-02-08 | Draka Comteq France | Fibre optique a large bande passante et a faibles pertes par courbure |
EP2503368A1 (en) | 2011-03-24 | 2012-09-26 | Draka Comteq B.V. | Multimode optical fiber with improved bend resistance |
EP2506044A1 (en) | 2011-03-29 | 2012-10-03 | Draka Comteq B.V. | Multimode optical fiber |
EP2518546B1 (en) | 2011-04-27 | 2018-06-20 | Draka Comteq B.V. | High-bandwidth, radiation-resistant multimode optical fiber |
DK2541292T3 (en) | 2011-07-01 | 2014-12-01 | Draka Comteq Bv | A multimode optical fiber |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50120352A (ja) * | 1974-02-22 | 1975-09-20 | ||
JPS5156642A (ja) * | 1974-11-13 | 1976-05-18 | Sumitomo Electric Industries | |
JPS52138945A (en) * | 1976-05-15 | 1977-11-19 | Sumitomo Electric Ind Ltd | Production of optical-fibre |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3711262A (en) * | 1970-05-11 | 1973-01-16 | Corning Glass Works | Method of producing optical waveguide fibers |
USRE28028E (en) | 1972-01-03 | 1974-06-04 | Method op forming an economic optical waveguide fiber | |
US3823995A (en) * | 1972-03-30 | 1974-07-16 | Corning Glass Works | Method of forming light focusing fiber waveguide |
US3785718A (en) * | 1972-09-11 | 1974-01-15 | Bell Telephone Labor Inc | Low dispersion optical fiber |
GB1456371A (en) * | 1972-11-25 | 1976-11-24 | Sumitomo Electric Industries | Optical transmission fibre |
US3884550A (en) * | 1973-01-04 | 1975-05-20 | Corning Glass Works | Germania containing optical waveguide |
DE2302556A1 (de) * | 1973-01-19 | 1974-07-25 | Licentia Gmbh | Verfahren zur herstellung von glasfasern zur lichtleitung |
US4339173A (en) * | 1975-09-08 | 1982-07-13 | Corning Glass Works | Optical waveguide containing P2 O5 and GeO2 |
CA1029993A (en) * | 1975-09-11 | 1978-04-25 | Frederick D. King | Optical fibre transmission line |
DE2647419C2 (de) * | 1975-10-20 | 1981-09-17 | Hitachi, Ltd., Tokyo | Optische Faser |
GB1568521A (en) * | 1976-04-06 | 1980-05-29 | Standard Telephones Cables Ltd | Optical fibre manufacture |
DE2741854B2 (de) * | 1976-09-20 | 1981-03-19 | Hitachi, Ltd., Tokyo | Verfahren zur Herstellung optischer Fasern |
DD127701A1 (de) * | 1976-10-04 | 1977-10-12 | Inst Elektroswarki Patona | Steuereinrichtung fuer einen transformator mit vormagnetisierung |
US4106850A (en) * | 1977-04-04 | 1978-08-15 | Bell Telephone Laboratories, Incorporated | Optical fiber with graded index core and pure silica cladding |
-
1978
- 1978-07-31 US US05/929,415 patent/US4229070A/en not_active Expired - Lifetime
-
1979
- 1979-05-18 CA CA000327922A patent/CA1116449A/en not_active Expired
- 1979-07-19 JP JP9209979A patent/JPS5521090A/ja active Granted
- 1979-07-26 ES ES482852A patent/ES482852A1/es not_active Expired
- 1979-07-26 DE DE19792930398 patent/DE2930398A1/de active Granted
- 1979-07-26 NO NO792482A patent/NO792482L/no unknown
- 1979-07-26 FR FR7919329A patent/FR2432487A1/fr active Granted
- 1979-07-26 BE BE0/196459A patent/BE877900A/fr not_active IP Right Cessation
- 1979-07-26 GB GB7926121A patent/GB2027224B/en not_active Expired
- 1979-07-26 IL IL57899A patent/IL57899A/xx unknown
- 1979-07-26 FI FI792352A patent/FI77945C/fi not_active IP Right Cessation
- 1979-07-26 SE SE7906403A patent/SE443242B/sv unknown
- 1979-07-26 DK DK316579AA patent/DK152631B/da not_active Application Discontinuation
- 1979-07-26 AU AU49284/79A patent/AU512910B2/en not_active Ceased
- 1979-07-26 AT AT0516479A patent/AT395271B/de not_active IP Right Cessation
- 1979-07-26 BR BR7904787A patent/BR7904787A/pt unknown
- 1979-07-26 IT IT24685/79A patent/IT1122359B/it active
- 1979-07-26 CH CH693979A patent/CH641280A5/de not_active IP Right Cessation
- 1979-07-26 NL NL7905802A patent/NL191720C/xx not_active IP Right Cessation
- 1979-07-27 YU YU01845/79A patent/YU184579A/xx unknown
-
1980
- 1980-04-09 ES ES490381A patent/ES8103389A1/es not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50120352A (ja) * | 1974-02-22 | 1975-09-20 | ||
JPS5156642A (ja) * | 1974-11-13 | 1976-05-18 | Sumitomo Electric Industries | |
JPS52138945A (en) * | 1976-05-15 | 1977-11-19 | Sumitomo Electric Ind Ltd | Production of optical-fibre |
Also Published As
Publication number | Publication date |
---|---|
GB2027224B (en) | 1983-04-27 |
IT7924685A0 (it) | 1979-07-26 |
FR2432487B1 (ja) | 1985-03-01 |
NL7905802A (nl) | 1980-02-04 |
IL57899A (en) | 1981-10-30 |
YU184579A (en) | 1983-01-21 |
FR2432487A1 (fr) | 1980-02-29 |
US4229070A (en) | 1980-10-21 |
NL191720B (nl) | 1995-12-01 |
GB2027224A (en) | 1980-02-13 |
IT1122359B (it) | 1986-04-23 |
DE2930398A1 (de) | 1980-02-28 |
NL191720C (nl) | 1996-04-02 |
AU4928479A (en) | 1980-02-07 |
FI792352A (fi) | 1980-02-01 |
FI77945C (fi) | 1989-05-10 |
BE877900A (fr) | 1980-01-28 |
CH641280A5 (de) | 1984-02-15 |
DE2930398C2 (ja) | 1991-10-17 |
AU512910B2 (en) | 1980-11-06 |
JPS6337045B2 (ja) | 1988-07-22 |
SE443242B (sv) | 1986-02-17 |
AT395271B (de) | 1992-11-10 |
SE7906403L (sv) | 1980-02-01 |
ES490381A0 (es) | 1981-02-16 |
ES8103389A1 (es) | 1981-02-16 |
NO792482L (no) | 1980-02-01 |
ATA516479A (de) | 1988-07-15 |
BR7904787A (pt) | 1980-05-13 |
FI77945B (fi) | 1989-01-31 |
IL57899A0 (en) | 1979-11-30 |
DK152631B (da) | 1988-03-28 |
DK316579A (da) | 1980-02-01 |
ES482852A1 (es) | 1980-09-01 |
CA1116449A (en) | 1982-01-19 |
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