IT8320492A0 - Fibra ottica del modo singolo a basse perdite. - Google Patents
Fibra ottica del modo singolo a basse perdite.Info
- Publication number
- IT8320492A0 IT8320492A0 IT8320492A IT2049283A IT8320492A0 IT 8320492 A0 IT8320492 A0 IT 8320492A0 IT 8320492 A IT8320492 A IT 8320492A IT 2049283 A IT2049283 A IT 2049283A IT 8320492 A0 IT8320492 A0 IT 8320492A0
- Authority
- IT
- Italy
- Prior art keywords
- single mode
- mode fiber
- fiber optics
- low losses
- losses
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title 1
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
- G02B6/03627—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 - +
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Waveguides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/367,094 US4447127A (en) | 1982-04-09 | 1982-04-09 | Low loss single mode fiber |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8320492A0 true IT8320492A0 (it) | 1983-04-07 |
IT1168909B IT1168909B (it) | 1987-05-20 |
Family
ID=23445913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20492/83A IT1168909B (it) | 1982-04-09 | 1983-04-07 | Tfibra ottica del modo singolo a basse perdite |
Country Status (10)
Country | Link |
---|---|
US (1) | US4447127A (it) |
JP (1) | JPS58186702A (it) |
AU (1) | AU550788B2 (it) |
BE (1) | BE896413A (it) |
CA (1) | CA1202506A (it) |
DE (1) | DE3312698C2 (it) |
FR (1) | FR2526173B1 (it) |
GB (1) | GB2118321B (it) |
IT (1) | IT1168909B (it) |
NL (1) | NL8301246A (it) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59174541A (ja) * | 1983-01-11 | 1984-10-03 | Hitachi Cable Ltd | 偏波面保存光フアイバ |
US4691990A (en) * | 1984-11-13 | 1987-09-08 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber with depressed index outer cladding |
US4641917A (en) * | 1985-02-08 | 1987-02-10 | At&T Bell Laboratories | Single mode optical fiber |
JPS6252508A (ja) * | 1985-09-02 | 1987-03-07 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ |
JPS6287907A (ja) * | 1985-10-14 | 1987-04-22 | Sumitomo Electric Ind Ltd | 1.5ミクロン帯用シングルモ−ド光フアイバ |
CA1298110C (en) * | 1985-11-04 | 1992-03-31 | William E. Dennis | Optical fiber with a high refractive index edge which refracts errant signals from core cladding |
US4836640A (en) * | 1986-06-27 | 1989-06-06 | American Telephone And Telegraph Company, At&T Bell Laboratories | Depressed cladding optical fiber cable |
US4852968A (en) | 1986-08-08 | 1989-08-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber comprising a refractive index trench |
JPS63208003A (ja) * | 1987-02-25 | 1988-08-29 | Sumitomo Electric Ind Ltd | 光フアイバ |
DE3804152A1 (de) * | 1988-02-11 | 1989-08-24 | Rheydt Kabelwerk Ag | Lichtwellenleiter |
US4838643A (en) * | 1988-03-23 | 1989-06-13 | Alcatel Na, Inc. | Single mode bend insensitive fiber for use in fiber optic guidance applications |
JPH01282507A (ja) * | 1988-05-09 | 1989-11-14 | Sumitomo Electric Ind Ltd | 光ファイバ |
JP2958964B2 (ja) * | 1989-02-14 | 1999-10-06 | ソニー株式会社 | 回帰反射性貼着シート |
US5044724A (en) * | 1989-12-22 | 1991-09-03 | At&T Bell Laboratories | Method of producing optical fiber, and fiber produced by the method |
US5027079A (en) * | 1990-01-19 | 1991-06-25 | At&T Bell Laboratories | Erbium-doped fiber amplifier |
EP0585533B1 (en) * | 1992-08-19 | 1998-08-05 | Sumitomo Electric Industries, Limited | Mode field diameter conversion fiber |
JPH07261048A (ja) * | 1994-03-23 | 1995-10-13 | Sumitomo Electric Ind Ltd | 分散補償ファイバ |
FR2724234B1 (fr) * | 1994-09-05 | 1997-01-03 | Alcatel Fibres Optiques | Fibre optique monomode a dispersion decalee |
US5673342A (en) * | 1996-05-28 | 1997-09-30 | Lucent Technologies Inc. | Communication system comprising a low cost optical filter |
EP0862069B1 (en) * | 1997-02-26 | 2007-04-11 | Nippon Telegraph And Telephone Corporation | Optical fiber |
US5878182A (en) * | 1997-06-05 | 1999-03-02 | Lucent Technologies Inc. | Optical fiber having a low-dispersion slope in the erbium amplifier region |
CN1105930C (zh) | 1997-12-30 | 2003-04-16 | 三星电子株式会社 | 单模光纤 |
KR100333897B1 (ko) * | 1998-06-24 | 2002-07-31 | 광주과학기술원 | 스트레스이완된장주기광섬유격자 |
KR100322131B1 (ko) | 1999-01-28 | 2002-02-04 | 윤종용 | 오.에이치.차단층을 구비한 광섬유 모재 및 그 제조방법 |
FR2784198B1 (fr) * | 1998-10-05 | 2002-08-30 | Cit Alcatel | Fibre optique utilisable pour systeme de transmissions a multiplexage en longueur d'onde |
DE19852704A1 (de) * | 1998-11-16 | 2000-05-18 | Heraeus Quarzglas | Verfahren zur Herstellung einer Vorform für eine optische Faser und für die Durchführung des Verfahrens geeignetes Substratrohr |
US6603909B2 (en) | 2000-11-21 | 2003-08-05 | 3M Innovative Properties Company | Laser pigtail fiber with inherent attenuation characteristic |
US6947652B2 (en) * | 2002-06-14 | 2005-09-20 | 3M Innovative Properties Company | Dual-band bend tolerant optical waveguide |
US7455460B2 (en) * | 2007-03-08 | 2008-11-25 | Panduit Corp. | Fiber optic connector with double-clad stub fiber |
RU2607676C2 (ru) | 2011-11-14 | 2017-01-10 | Сумитомо Электрик Индастриз, Лтд. | Оптическое волокно и оптическая передающая система |
US9188736B2 (en) * | 2013-04-08 | 2015-11-17 | Corning Incorporated | Low bend loss optical fiber |
US10139561B2 (en) | 2015-09-16 | 2018-11-27 | Corning Incorporated | Low-loss and low-bend-loss optical fiber |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997241A (en) * | 1973-06-07 | 1976-12-14 | Hitachi, Ltd. | Optical waveguide transmitting light wave energy in single mode |
US4206967A (en) * | 1975-06-06 | 1980-06-10 | Hitachi, Ltd. | Optical fiber |
JPS5258547A (en) * | 1975-11-10 | 1977-05-14 | Hitachi Ltd | Light transmission fiber |
JPS5250246A (en) * | 1975-10-20 | 1977-04-22 | Hitachi Ltd | Light transmitting line |
JPS5555302A (en) * | 1978-10-20 | 1980-04-23 | Furukawa Electric Co Ltd:The | Optical fiber |
US4300930A (en) * | 1980-10-31 | 1981-11-17 | The United States Of America As Represented By The Secretary Of The Navy | Minimum dispersion at 1.55 μm for single-mode step-index optical fibers |
US4412722A (en) * | 1981-10-26 | 1983-11-01 | Western Electric | Single mode fiber with graded index of refraction |
-
1982
- 1982-04-09 US US06/367,094 patent/US4447127A/en not_active Expired - Lifetime
-
1983
- 1983-03-21 AU AU12646/83A patent/AU550788B2/en not_active Ceased
- 1983-03-22 CA CA000424179A patent/CA1202506A/en not_active Expired
- 1983-04-05 FR FR8305504A patent/FR2526173B1/fr not_active Expired
- 1983-04-07 IT IT20492/83A patent/IT1168909B/it active
- 1983-04-07 GB GB08309435A patent/GB2118321B/en not_active Expired
- 1983-04-08 JP JP58061087A patent/JPS58186702A/ja active Pending
- 1983-04-08 NL NL8301246A patent/NL8301246A/nl active Search and Examination
- 1983-04-08 DE DE3312698A patent/DE3312698C2/de not_active Expired - Fee Related
- 1983-04-08 BE BE0/210516A patent/BE896413A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2526173B1 (fr) | 1986-11-28 |
JPS58186702A (ja) | 1983-10-31 |
IT1168909B (it) | 1987-05-20 |
DE3312698A1 (de) | 1983-10-13 |
GB2118321A (en) | 1983-10-26 |
US4447127A (en) | 1984-05-08 |
AU1264683A (en) | 1983-10-13 |
BE896413A (fr) | 1983-08-01 |
DE3312698C2 (de) | 1994-04-21 |
AU550788B2 (en) | 1986-04-10 |
NL8301246A (nl) | 1983-11-01 |
CA1202506A (en) | 1986-04-01 |
FR2526173A1 (fr) | 1983-11-04 |
GB2118321B (en) | 1985-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960424 |