ES2045933T3 - Reflectometria optica de dominio temporal. - Google Patents
Reflectometria optica de dominio temporal.Info
- Publication number
- ES2045933T3 ES2045933T3 ES90909768T ES90909768T ES2045933T3 ES 2045933 T3 ES2045933 T3 ES 2045933T3 ES 90909768 T ES90909768 T ES 90909768T ES 90909768 T ES90909768 T ES 90909768T ES 2045933 T3 ES2045933 T3 ES 2045933T3
- Authority
- ES
- Spain
- Prior art keywords
- time domain
- optical time
- temporary domain
- optic reflectometry
- optical
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/319—Reflectometers using stimulated back-scatter, e.g. Raman or fibre amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Communication System (AREA)
- Optical Measuring Cells (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
APARATO Y METODO PARA INCREMENTAR EL RANGO DE MEDICIONES OPTICAS EN UN REFLECTOMETRO DE DOMINIO OPTICO EN EL QUE SE UTILIZA UN AMPLIFICADOR DE FIBRA LASER PARA AMPLIFICAR LOS PULSOS DEL REFLECTOMETRO DE DOMINIO OPTICO EMITIDOS EN UNA LONGITUD DE ONDA. ESTE APARATO Y METODO TIENEN UNA APLICACION PARTICULAR PARA REDES LOCALES RAMIFICADAS. LA SEÑAL QUE VUELVE AL REFLECTOMETRO DE DOMINIO OPTICO ES AMPLIFICADO ASI COMO LA SEÑAL DE SALIDA.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898914364A GB8914364D0 (en) | 1989-06-22 | 1989-06-22 | Optical time domain reflectometry |
GB898915165A GB8915165D0 (en) | 1989-07-01 | 1989-07-01 | Optical time domain reflectometry |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2045933T3 true ES2045933T3 (es) | 1994-01-16 |
Family
ID=26295522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90909768T Expired - Lifetime ES2045933T3 (es) | 1989-06-22 | 1990-06-22 | Reflectometria optica de dominio temporal. |
Country Status (13)
Country | Link |
---|---|
US (2) | US5448059A (es) |
EP (1) | EP0478654B1 (es) |
JP (1) | JP2957696B2 (es) |
AT (1) | ATE97237T1 (es) |
AU (2) | AU632597B2 (es) |
CA (1) | CA2058957C (es) |
DE (1) | DE69004571T2 (es) |
DK (1) | DK0478654T3 (es) |
ES (1) | ES2045933T3 (es) |
FI (1) | FI101746B (es) |
GB (1) | GB2250654B (es) |
HK (1) | HK135696A (es) |
WO (2) | WO1990015979A1 (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE123568T1 (de) * | 1990-02-15 | 1995-06-15 | British Telecomm | Optische testapparatur mit einem otdr. |
GB2252154A (en) * | 1991-01-26 | 1992-07-29 | Stc Plc | Testing erbium doped optical fibres. |
GB9115453D0 (en) * | 1991-07-18 | 1991-09-04 | British Telecomm | Fault location in optical systems |
USH1436H (en) * | 1992-10-13 | 1995-05-02 | Kersey Alan D | Interferometric fiber optic sensor configuration with pump-induced phase carrier |
DK172234B1 (da) * | 1995-05-10 | 1998-01-26 | Dsc Communications As | Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber |
GB9715289D0 (en) * | 1997-07-22 | 1997-09-24 | King S College London | Wavelength measuring system |
US6552290B1 (en) * | 1999-02-08 | 2003-04-22 | Spectra Systems Corporation | Optically-based methods and apparatus for performing sorting coding and authentication using a gain medium that provides a narrowband emission |
CA2414951C (en) | 2000-07-10 | 2010-09-21 | Mpb Technologies Inc. | Cascaded pumping system and method for producing distributed raman amplification in optical fiber telecommunication systems |
JP3904835B2 (ja) * | 2001-01-29 | 2007-04-11 | 株式会社日立製作所 | 光増幅器、光ファイバラマン光増幅器、及び光システム |
US6433922B1 (en) | 2001-02-26 | 2002-08-13 | Redc Optical Networks Ltd. | Apparatus and method for a self adjusting Raman amplifier |
US6850360B1 (en) * | 2001-04-16 | 2005-02-01 | Bookham, Inc. | Raman amplifier systems with diagnostic capabilities |
US6526189B1 (en) | 2001-06-13 | 2003-02-25 | The United States Of America As Represented By The Secretary Of The Army | Scour sensor assembly |
US20040208503A1 (en) * | 2001-12-06 | 2004-10-21 | William Shieh | Systems and methods for detecting faults in optical communication systems |
KR100488195B1 (ko) * | 2002-01-31 | 2005-05-10 | 주식회사 럭스퍼트 | 광섬유 라만 증폭기 |
JP3961973B2 (ja) * | 2003-03-14 | 2007-08-22 | 富士通株式会社 | Otdrによる測定方法及び端局装置 |
GB201207881D0 (en) * | 2012-05-04 | 2012-06-20 | Isis Innovation | Active chemical sensing using optical microcavity |
US9140624B2 (en) | 2012-07-03 | 2015-09-22 | Ciena Corporation | Systems and methods reducing coherence effect in narrow line-width light sources |
US9752955B2 (en) | 2014-07-31 | 2017-09-05 | Ii-Vi Incorporated | Edge propagating optical time domain reflectometer and method of using the same |
US9503181B2 (en) | 2015-01-06 | 2016-11-22 | Ii-Vi Incorporated | Rare earth-doped fiber amplifier with integral optical metrology functionality |
US10784969B2 (en) * | 2016-02-18 | 2020-09-22 | Apriori Network Systems, Llc. | Secured fiber link system |
US10763962B2 (en) | 2016-02-18 | 2020-09-01 | Apriori Network Systems, Llc. | Secured fiber link system |
US10284288B2 (en) | 2016-02-18 | 2019-05-07 | Apriori Network Systems, Llc | Secured fiber link system |
EP3324169A1 (en) * | 2016-11-22 | 2018-05-23 | Xieon Networks S.à r.l. | Detection of gainers and exaggerated losses in unidirectional otdr traces |
US11671172B1 (en) * | 2022-02-25 | 2023-06-06 | Huawei Technologies Co., Ltd. | Systems and methods for characterizing an optical fiber in a dense wavelength division multiplexing optical link |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0186299B1 (en) * | 1984-12-13 | 1990-04-18 | Stc Plc | Optical amplifier |
GB8512980D0 (en) * | 1985-05-22 | 1985-06-26 | Pa Consulting Services | Fibre optic transmissions systems |
GB2182222B (en) * | 1985-10-18 | 1990-01-24 | Stc Plc | Optical fibre testing |
JPH01142435A (ja) * | 1987-11-28 | 1989-06-05 | Nippon Telegr & Teleph Corp <Ntt> | 後方散乱光測定装置 |
US5013907A (en) * | 1990-03-27 | 1991-05-07 | Tektronix, Inc. | Optical time domain testing instrument |
-
1990
- 1990-06-22 JP JP2509750A patent/JP2957696B2/ja not_active Expired - Lifetime
- 1990-06-22 CA CA002058957A patent/CA2058957C/en not_active Expired - Lifetime
- 1990-06-22 DE DE90909768T patent/DE69004571T2/de not_active Expired - Lifetime
- 1990-06-22 WO PCT/GB1990/000961 patent/WO1990015979A1/en unknown
- 1990-06-22 EP EP90909768A patent/EP0478654B1/en not_active Expired - Lifetime
- 1990-06-22 AU AU59241/90A patent/AU632597B2/en not_active Ceased
- 1990-06-22 AU AU58392/90A patent/AU5839290A/en not_active Abandoned
- 1990-06-22 US US07/541,973 patent/US5448059A/en not_active Expired - Lifetime
- 1990-06-22 AT AT90909768T patent/ATE97237T1/de not_active IP Right Cessation
- 1990-06-22 US US07/834,293 patent/US5298965A/en not_active Expired - Lifetime
- 1990-06-22 ES ES90909768T patent/ES2045933T3/es not_active Expired - Lifetime
- 1990-06-22 DK DK90909768.5T patent/DK0478654T3/da active
- 1990-06-22 WO PCT/GB1990/000962 patent/WO1990015980A1/en active IP Right Grant
-
1991
- 1991-12-17 GB GB9126780A patent/GB2250654B/en not_active Revoked
- 1991-12-20 FI FI916037A patent/FI101746B/fi active
-
1996
- 1996-07-25 HK HK135696A patent/HK135696A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0478654B1 (en) | 1993-11-10 |
US5448059A (en) | 1995-09-05 |
US5298965A (en) | 1994-03-29 |
DK0478654T3 (da) | 1994-03-14 |
AU632597B2 (en) | 1993-01-07 |
CA2058957C (en) | 1999-05-04 |
WO1990015979A1 (en) | 1990-12-27 |
AU5839290A (en) | 1991-01-08 |
JP2957696B2 (ja) | 1999-10-06 |
HK135696A (en) | 1996-08-02 |
CA2058957A1 (en) | 1990-12-23 |
FI101746B1 (fi) | 1998-08-14 |
DE69004571D1 (de) | 1993-12-16 |
DE69004571T2 (de) | 1994-03-10 |
GB2250654A (en) | 1992-06-10 |
ATE97237T1 (de) | 1993-11-15 |
GB2250654B (en) | 1994-04-20 |
JPH04506405A (ja) | 1992-11-05 |
AU5924190A (en) | 1991-01-08 |
GB9126780D0 (en) | 1992-03-11 |
FI101746B (fi) | 1998-08-14 |
FI916037A0 (fi) | 1991-12-20 |
WO1990015980A1 (en) | 1990-12-27 |
EP0478654A1 (en) | 1992-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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