DE3231832C2 - - Google Patents

Info

Publication number: DE3231832C2
Authority: DE; Germany
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

Application number

DE3231832A

Other versions

DE3231832A1 (de

Inventor

Katsunari Okamoto

Toshihito Hosaka

Yutaka Sasaki

Juichi Noda

Takao Mito Ibaragi Jp Edahiro

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nippon Telegraph and Telephone Corp

Original Assignee

Nippon Telegraph and Telephone Corp

Priority date (The priority date 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 date listed.)

1981-08-27

Filing date

1982-08-26

Publication date

1987-01-08

1982-08-26 Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp

1983-03-17 Publication of DE3231832A1 publication Critical patent/DE3231832A1/de

1987-01-08 Application granted granted Critical

1987-01-08 Publication of DE3231832C2 publication Critical patent/DE3231832C2/de

Status Granted legal-status Critical Current

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
- G02B6/105—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Manufacture, Treatment Of Glass Fibers (AREA)
Waveguides (AREA)

DE19823231832 1981-08-27 1982-08-26 Optische faser Granted DE3231832A1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP56133334A JPS5835503A (ja)	1981-08-27	1981-08-27	零偏波分散単一直線偏波光フアイバ

Publications (2)

Publication Number	Publication Date
DE3231832A1 DE3231832A1 (de)	1983-03-17
DE3231832C2 true DE3231832C2 (de)	1987-01-08

Family

ID=15102284

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19823231832 Granted DE3231832A1 (de)	1981-08-27	1982-08-26	Optische faser

Country Status (7)

Country	Link
US (1)	US4480897A (de)
JP (1)	JPS5835503A (de)
CA (1)	CA1181274A (de)
DE (1)	DE3231832A1 (de)
FR (1)	FR2512214B1 (de)
GB (1)	GB2104680B (de)
NL (1)	NL187873C (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3213704A1 (de) *	1982-04-14	1984-02-02	ANT Nachrichtentechnik GmbH, 7150 Backnang	Monomode lichtleitfaser
US4515436A (en) *	1983-02-04	1985-05-07	At&T Bell Laboratories	Single-mode single-polarization optical fiber
JPS6019110A (ja) *	1983-07-13	1985-01-31	Nippon Telegr & Teleph Corp <Ntt>	絶対単一偏波光フアイバ
US4664473A (en) *	1985-04-01	1987-05-12	Corning Glass Works	Optical fiber formed of MgO--Al2 O3 --SiO2 glass
GB2209846B (en) *	1987-09-17	1992-03-04	Pirelli General Plc	Optical fibre wavelength filter having two cores
JPH01237507A (ja) *	1987-12-04	1989-09-22	Nippon Telegr & Teleph Corp <Ntt>	絶対単一偏波光ファイバ
US5056888A (en) *	1989-07-17	1991-10-15	Minnesota Mining And Manufacturing Company	Single-mode, single-polarization optical fiber
FR2672755B1 (fr) *	1991-02-12	1993-05-07	Thomson Csf	Procede de codage en binaire des points d'une constellation utilisee dans une modulation multiporteuse de type ofdm.
US5867616A (en) *	1995-08-10	1999-02-02	Corning Incorporated	Polarization mode coupled single mode waveguide
DE19810812A1 (de) *	1998-03-12	1999-09-16	Siemens Ag	Optisches Übertragungselement sowie Verfahren zur Reduzierung dessen Polarisationsmoden-Dispersion
US6208776B1 (en) *	1998-04-08	2001-03-27	Physical Optics Corporation	Birefringent fiber grating sensor and detection system
US6778747B1 (en)	1998-09-09	2004-08-17	Corning Incorporated	Radially varying and azimuthally asymmetric optical waveguide fiber
CA2433094C (en) *	2000-12-28	2011-10-04	Pirelli & C. S.P.A.	Method for producing an optical fibre telecommunications cable with reduced polarization mode dispersion
WO2002088808A1 (de) *	2001-04-30	2002-11-07	Infineon Technologies Ag	Anordnung zum multiplexen und/oder demultiplexen der signale mindestens zweier optischer wellenlängenkanäle
WO2002103411A2 (en) *	2001-06-19	2002-12-27	Stockeryale, Inc.	Fiber optic possessing shear stress in core
KR100454232B1 (ko) *	2002-07-04	2004-10-26	광주과학기술원	편광유지형 광섬유 및 그 제조방법
US20060133753A1 (en) *	2004-12-22	2006-06-22	Nelson Brian K	Hole assisted fiber device and fiber preform
US20060130528A1 (en) *	2004-12-22	2006-06-22	Nelson Brian K	Method of making a hole assisted fiber device and fiber preform
WO2013003335A1 (en) *	2011-06-27	2013-01-03	Vytran, Llc	Apparatus and methods for the determination of a birefringence axis of a polarization-maintaining optical fiber
CN103030270A (zh) *	2013-01-06	2013-04-10	北京一轻研究院	一种y波导用领结型保偏光纤的制造方法
CN106886071B (zh) *	2017-03-23	2019-05-21	华中科技大学	一种本征模完全分离的退简并多模光纤
US11916348B2 (en) *	2019-07-31	2024-02-27	Huawei Technologies Canada Co., Ltd.	Polarization-maintaining highly elliptical core fiber with stress-induced birefringence

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4179189A (en) *	1978-01-13	1979-12-18	Bell Telephone Laboratories, Incorporated	Single polarization optical fibers and methods of fabrication
NL193330C (nl) *	1978-01-13	1999-06-02	Western Electric Co	Optische golfleider en werkwijze voor het vervaardigen daarvan.
US4184859A (en) *	1978-06-09	1980-01-22	International Telephone And Telegraph Corporation	Method of fabricating an elliptical core single mode fiber
US4307938A (en) *	1979-06-19	1981-12-29	Andrew Corporation	Dielectric waveguide with elongate cross-section
DE2930791A1 (de) *	1979-07-28	1981-02-12	Licentia Gmbh	Verfahren zur herstellung einer lichtleitfaser
DE2930704A1 (de) *	1979-07-28	1981-02-12	Licentia Gmbh	Verfahren zur herstellung einer lichtleitfaser
US4426129A (en) *	1980-01-11	1984-01-17	Hitachi, Ltd.	Optical fiber and method of producing the same
GB2096788B (en) *	1981-01-17	1984-12-19	Nippon Telegraph & Telephone	Single-polarization single-mode optical fibers
US4415230A (en) *	1981-03-30	1983-11-15	Corning Glass Works	Polarization retaining single-mode optical waveguide

1981
- 1981-08-27 JP JP56133334A patent/JPS5835503A/ja active Granted
1982
- 1982-06-15 US US06/388,543 patent/US4480897A/en not_active Expired - Lifetime
- 1982-07-21 CA CA000407783A patent/CA1181274A/en not_active Expired
- 1982-07-29 GB GB08221897A patent/GB2104680B/en not_active Expired
- 1982-08-10 NL NLAANVRAGE8203146,A patent/NL187873C/xx not_active IP Right Cessation
- 1982-08-16 FR FR8214175A patent/FR2512214B1/fr not_active Expired
- 1982-08-26 DE DE19823231832 patent/DE3231832A1/de active Granted

Also Published As

Publication number	Publication date
DE3231832A1 (de)	1983-03-17
FR2512214B1 (fr)	1985-07-12
US4480897A (en)	1984-11-06
FR2512214A1 (fr)	1983-03-04
NL187873B (nl)	1991-09-02
NL187873C (nl)	1992-02-03
CA1181274A (en)	1985-01-22
NL8203146A (nl)	1983-03-16
GB2104680B (en)	1985-08-07
GB2104680A (en)	1983-03-09
JPS5835503A (ja)	1983-03-02
JPS6258481B2 (de)	1987-12-07

Legal Events

Date	Code	Title	Description
1983-03-17	OP8	Request for examination as to paragraph 44 patent law
1984-02-09	8128	New person/name/address of the agent	Representative=s name: GEYER, W., DIPL.-ING. DR.-ING. HAGEMANN, H., DIPL.
1986-07-31	8127	New person/name/address of the applicant	Owner name: NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO,
1987-01-08	D2	Grant after examination
1987-07-02	8364	No opposition during term of opposition
1988-09-15	8328	Change in the person/name/address of the agent	Free format text: HAGEMANN, H., DIPL.-CHEM. DR.RER.NAT. KEHL, G., DIPL.-PHYS., PAT.-ANWAELTE, 8000 MUENCHEN
1997-06-05	8328	Change in the person/name/address of the agent	Free format text: KEHL, G., DIPL.-PHYS., PAT.-ANW., 81679 MUENCHEN

Publication	Publication Date	Title
DE3224192C2 (de)	1987-01-08
FR2497870B1 (de)	1985-03-22
DE3207071C2 (de)	1987-01-29
DE3229774C2 (de)	1987-05-07
DE3213849C2 (de)	1987-02-19
DE3137191C2 (de)	1987-01-08
CH655581B (de)	1986-04-30
DE3231832C2 (de)	1987-01-08
CH655547B (de)	1986-04-30
DE3240484C2 (de)	1987-04-23
FR2497671B1 (de)	1984-11-16
DE3221872C2 (de)	1987-02-19
CH655670B (de)	1986-05-15
DE3219345C2 (de)	1987-03-12
CH655640B (de)	1986-05-15
DE3127909C2 (de)	1987-02-26
DE3213736C2 (de)	1987-01-02
CH655504B (de)	1986-04-30
CH655567B (de)	1986-04-30
DE3134627C2 (de)	1987-02-12
FR2497847B3 (de)	1983-11-18
DE3148386C3 (de)	1993-07-29
DE3109605C2 (de)	1987-03-26
DE3135510C2 (de)	1987-05-07
FR2498719B3 (de)	1983-10-28