FR2394100B1 - - Google Patents
Info
- Publication number
- FR2394100B1 FR2394100B1 FR7817346A FR7817346A FR2394100B1 FR 2394100 B1 FR2394100 B1 FR 2394100B1 FR 7817346 A FR7817346 A FR 7817346A FR 7817346 A FR7817346 A FR 7817346A FR 2394100 B1 FR2394100 B1 FR 2394100B1
- Authority
- FR
- France
- 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
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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
-
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6851377A JPS543553A (en) | 1977-06-10 | 1977-06-10 | Optical line |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2394100A1 FR2394100A1 (fr) | 1979-01-05 |
FR2394100B1 true FR2394100B1 (fr) | 1982-07-16 |
Family
ID=13375863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR787817346A Granted FR2394100A1 (fr) | 1977-06-10 | 1978-06-09 | Fibre optique a gradient d'indice |
Country Status (5)
Country | Link |
---|---|
US (1) | US4204745A (fr) |
JP (1) | JPS543553A (fr) |
DE (1) | DE2825412C3 (fr) |
FR (1) | FR2394100A1 (fr) |
GB (1) | GB1589006A (fr) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5443749A (en) * | 1977-09-13 | 1979-04-06 | Nippon Telegr & Teleph Corp <Ntt> | Wide range oprical fiber |
US4406517A (en) * | 1979-01-02 | 1983-09-27 | Corning Glass Works | Optical waveguide having optimal index profile for multicomponent nonlinear glass |
US4260221A (en) * | 1979-03-16 | 1981-04-07 | Bell Telephone Laboratories, Incorporated | Multimode fiber with z-dependent index profile |
JPS5831566B2 (ja) * | 1980-08-01 | 1983-07-07 | 日本電信電話株式会社 | 低次モ−ド光フアイバ |
CA1205307A (fr) * | 1981-12-07 | 1986-06-03 | Venkata A. Bhagavatula | Guide d'ondes optique monomode a faibles dispersion et deperdition |
FR2519774A1 (fr) * | 1982-01-08 | 1983-07-18 | Quartz & Silice | Fibres optiques a grande bande passante |
US4516826A (en) * | 1983-04-21 | 1985-05-14 | At&T Technologies, Inc. | Single mode lightguide fiber having a trapezoidal refractive index profile |
US4560247A (en) * | 1983-07-01 | 1985-12-24 | Quartz Et Silice | Large bandwidth optical fibers |
JPS62147405A (ja) * | 1985-12-20 | 1987-07-01 | Mitsubishi Cable Ind Ltd | Gi形コアロツド |
US4889404A (en) * | 1987-09-09 | 1989-12-26 | Corning Incorporated | Asymmetrical bidirectional telecommunication system |
US4877304A (en) * | 1987-09-09 | 1989-10-31 | Corning Incorporated | Few-mode/single-mode fiber |
DE4001781C1 (fr) * | 1990-01-23 | 1991-02-21 | Schott Glaswerke, 6500 Mainz, De | |
US5175785A (en) * | 1991-05-02 | 1992-12-29 | Ensign-Bickford Optical Technologies, Inc. | Optical waveguides having reduced bending loss and method of making the same |
US5329607A (en) * | 1992-02-28 | 1994-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Pure-silica core dual-mode optical fiber |
US5729645A (en) * | 1996-08-13 | 1998-03-17 | The Trustees Of The University Of Pennsylvania | Graded index optical fibers |
US7656578B2 (en) * | 1997-03-21 | 2010-02-02 | Imra America, Inc. | Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking |
US7576909B2 (en) | 1998-07-16 | 2009-08-18 | Imra America, Inc. | Multimode amplifier for amplifying single mode light |
US6275512B1 (en) | 1998-11-25 | 2001-08-14 | Imra America, Inc. | Mode-locked multimode fiber laser pulse source |
KR100769268B1 (ko) | 2000-09-11 | 2007-10-23 | 피렐리 에스피에이 | 다수의 사용자 장비에 신호를 분배하기 위한 신호 분배 네트워크 및 이를 위한 광파이버 및 광케이블 |
IT1318846B1 (it) * | 2000-09-11 | 2003-09-10 | Pirelli Cavi E Sistemi Spa | Rete di distribuzione di segnali ad una pluralita' di apparecchiatureutente. |
JP3845260B2 (ja) * | 2001-02-16 | 2006-11-15 | 古河電気工業株式会社 | 光ファイバおよび光伝送路 |
US7336877B2 (en) * | 2004-08-31 | 2008-02-26 | Corning Incorporated | Broadband optical fiber |
KR100672010B1 (ko) * | 2005-04-13 | 2007-01-22 | 한국과학기술원 | 광섬유와 이를 이용한 광가입자망, 구내 정보 통신망 및통신용 광부품 |
US7406237B2 (en) * | 2006-02-21 | 2008-07-29 | Corning Incorporated | Multiband optical fiber |
JP2010078701A (ja) * | 2008-09-24 | 2010-04-08 | Mitsubishi Cable Ind Ltd | 光ファイバの接続構造およびシングルモードファイバ |
US20100154478A1 (en) * | 2008-12-01 | 2010-06-24 | Panduit Corp. | Multimode fiber having improved index profile |
US20100269952A1 (en) * | 2009-04-23 | 2010-10-28 | Villanova University | Process and apparatus for filling microstructured fibers via convection based pressure driven technique |
US8351027B2 (en) * | 2009-06-15 | 2013-01-08 | Panduit Corp. | Method and metric for selecting and designing multimode fiber for improved performance |
DE102009042207A1 (de) * | 2009-09-18 | 2011-04-21 | Ludwig-Maximilians-Universität München | Wellenlängenabstimmbare Lichtquelle |
JP5394344B2 (ja) * | 2010-09-17 | 2014-01-22 | 日本電信電話株式会社 | 数モードファイバおよび数モードファイバの設計方法 |
WO2023038769A1 (fr) * | 2021-09-09 | 2023-03-16 | Corning Incorporated | Fibres optiques pour systèmes de transmission à fibre optique à base de vcsel monomode et peu modale |
Family Cites Families (6)
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 |
US3904268A (en) * | 1974-11-15 | 1975-09-09 | Corning Glass Works | Optical waveguide having optimal index gradient |
JPS51113641A (en) * | 1975-03-28 | 1976-10-06 | Nippon Telegr & Teleph Corp <Ntt> | Low order mode propagation photo fiber |
US4006962A (en) * | 1975-05-27 | 1977-02-08 | Corning Glass Works | Communication system having low dispersion glass optical waveguide |
JPS52121341A (en) | 1976-04-06 | 1977-10-12 | Nippon Telegr & Teleph Corp <Ntt> | Production of optical fiber base materials and production apparatus fo r the same |
US4057320A (en) * | 1976-07-26 | 1977-11-08 | Bell Telephone Laboratories, Incorporated | Optical fiber waveguide having minimum modal dispersion |
-
1977
- 1977-06-10 JP JP6851377A patent/JPS543553A/ja active Granted
-
1978
- 1978-05-30 GB GB24078/78A patent/GB1589006A/en not_active Expired
- 1978-06-09 DE DE2825412A patent/DE2825412C3/de not_active Expired
- 1978-06-09 FR FR787817346A patent/FR2394100A1/fr active Granted
- 1978-06-12 US US05/914,548 patent/US4204745A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2394100A1 (fr) | 1979-01-05 |
JPS5625647B2 (fr) | 1981-06-13 |
GB1589006A (en) | 1981-05-07 |
DE2825412A1 (de) | 1978-12-14 |
DE2825412B2 (de) | 1981-04-16 |
DE2825412C3 (de) | 1981-11-26 |
JPS543553A (en) | 1979-01-11 |
US4204745A (en) | 1980-05-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CA | Change of address |