DK172234B1 - Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber - Google Patents
Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber Download PDFInfo
- Publication number
- DK172234B1 DK172234B1 DK054195A DK54195A DK172234B1 DK 172234 B1 DK172234 B1 DK 172234B1 DK 054195 A DK054195 A DK 054195A DK 54195 A DK54195 A DK 54195A DK 172234 B1 DK172234 B1 DK 172234B1
- Authority
- DK
- Denmark
- Prior art keywords
- fiber
- wavelength
- pulse
- signal
- background noise
- Prior art date
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
- G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
- G01M11/3145—Details of the optoelectronics or data analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
- Measurement Of Radiation (AREA)
- Light Guides In General And Applications Therefor (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK054195A DK172234B1 (da) | 1995-05-10 | 1995-05-10 | Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber |
CN96193810A CN1183833A (zh) | 1995-05-10 | 1996-05-09 | 测量光纤的方法 |
ES96914867T ES2140086T3 (es) | 1995-05-10 | 1996-05-09 | Metodo para la medicion de una fibra optica. |
PCT/DK1996/000211 WO1996035935A1 (en) | 1995-05-10 | 1996-05-09 | A method of measuring on an optical fibre |
ZA963685A ZA963685B (en) | 1995-05-10 | 1996-05-09 | A method of measuring on an optical fibre |
EP96914867A EP0824677B1 (en) | 1995-05-10 | 1996-05-09 | A method of measuring on an optical fibre |
AT96914867T ATE187553T1 (de) | 1995-05-10 | 1996-05-09 | Messverfahren an einer optischen faser |
AU56851/96A AU5685196A (en) | 1995-05-10 | 1996-05-09 | A method of measuring on an optical fibre |
US08/952,290 US5870183A (en) | 1995-05-10 | 1996-05-09 | Method of measuring on an optical fibre |
DE69605545T DE69605545T2 (de) | 1995-05-10 | 1996-05-09 | Messverfahren an einer optischen faser |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK054195A DK172234B1 (da) | 1995-05-10 | 1995-05-10 | Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber |
DK54195 | 1995-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK54195A DK54195A (da) | 1996-11-11 |
DK172234B1 true DK172234B1 (da) | 1998-01-26 |
Family
ID=8094713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK054195A DK172234B1 (da) | 1995-05-10 | 1995-05-10 | Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber |
Country Status (10)
Country | Link |
---|---|
US (1) | US5870183A (zh) |
EP (1) | EP0824677B1 (zh) |
CN (1) | CN1183833A (zh) |
AT (1) | ATE187553T1 (zh) |
AU (1) | AU5685196A (zh) |
DE (1) | DE69605545T2 (zh) |
DK (1) | DK172234B1 (zh) |
ES (1) | ES2140086T3 (zh) |
WO (1) | WO1996035935A1 (zh) |
ZA (1) | ZA963685B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK129396A (da) * | 1996-11-15 | 1998-05-16 | Dsc Communications As | Optisk forstærker og fremgangsmåde til forhindring af, at der fra en sådan udsendes optisk effekt, som overstiger en foresk |
US6433926B2 (en) | 1997-11-14 | 2002-08-13 | Dsc Communications A/S | Optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit |
KR100609697B1 (ko) * | 2004-06-02 | 2006-08-08 | 한국전자통신연구원 | 이득 고정형 광증폭기를 이용한 광 선로 감시 시스템 |
US7787775B2 (en) * | 2006-05-08 | 2010-08-31 | Tellabs Operations, Inc. | Methods and apparatus for optical networks |
CN101351689B (zh) * | 2006-07-03 | 2011-12-07 | 安立股份有限公司 | 光时域反射仪和用于使用光脉冲来测试光纤的方法 |
CN103983428B (zh) * | 2014-06-05 | 2016-09-28 | 中国科学技术大学 | 测量全光纤脉冲激光器ase噪声的方法 |
EP4136425A4 (en) * | 2020-04-14 | 2023-09-27 | Jabil Inc. | OPTICAL RETRO-REFLECTION DIAGNOSTICS FOR MICRO-OPTICAL COMPONENTS |
WO2023135715A1 (ja) * | 2022-01-13 | 2023-07-20 | 日本電気株式会社 | 変位推定装置、変位推定方法、及びコンピュータ読み取り可能な記録媒体 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6150033A (ja) * | 1984-08-18 | 1986-03-12 | Iwatsu Electric Co Ltd | タイム・ドメイン・リフレクトメ−タ |
AU5839290A (en) * | 1989-06-22 | 1991-01-08 | British Telecommunications Public Limited Company | Optical time domain reflectometry |
US5343286A (en) * | 1990-02-15 | 1994-08-30 | British Telecommunications Public Limited Company | OTDR having optically switched amplified output onto test fibre to suppress optical amplifier noise between OTDR pluses |
JP2968421B2 (ja) * | 1992-09-29 | 1999-10-25 | アンリツ株式会社 | 光パルス試験器 |
US5450191A (en) * | 1993-05-06 | 1995-09-12 | Corning Incorporated | Method for testing optical waveguide fibers to detect reflection type discontinuities |
-
1995
- 1995-05-10 DK DK054195A patent/DK172234B1/da not_active IP Right Cessation
-
1996
- 1996-05-09 AU AU56851/96A patent/AU5685196A/en not_active Abandoned
- 1996-05-09 EP EP96914867A patent/EP0824677B1/en not_active Expired - Lifetime
- 1996-05-09 DE DE69605545T patent/DE69605545T2/de not_active Expired - Fee Related
- 1996-05-09 CN CN96193810A patent/CN1183833A/zh active Pending
- 1996-05-09 ES ES96914867T patent/ES2140086T3/es not_active Expired - Lifetime
- 1996-05-09 WO PCT/DK1996/000211 patent/WO1996035935A1/en active IP Right Grant
- 1996-05-09 AT AT96914867T patent/ATE187553T1/de not_active IP Right Cessation
- 1996-05-09 ZA ZA963685A patent/ZA963685B/xx unknown
- 1996-05-09 US US08/952,290 patent/US5870183A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5870183A (en) | 1999-02-09 |
EP0824677A1 (en) | 1998-02-25 |
DE69605545T2 (de) | 2000-06-15 |
AU5685196A (en) | 1996-11-29 |
CN1183833A (zh) | 1998-06-03 |
DE69605545D1 (de) | 2000-01-13 |
ES2140086T3 (es) | 2000-02-16 |
EP0824677B1 (en) | 1999-12-08 |
ZA963685B (en) | 1996-11-20 |
WO1996035935A1 (en) | 1996-11-14 |
ATE187553T1 (de) | 1999-12-15 |
DK54195A (da) | 1996-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |
Effective date: 20140531 |