NO333376B1 - Forsterket trestrukturteknologi for fiberoptisk sensormatrise. - Google Patents
Forsterket trestrukturteknologi for fiberoptisk sensormatrise. Download PDFInfo
- Publication number
- NO333376B1 NO333376B1 NO20040585A NO20040585A NO333376B1 NO 333376 B1 NO333376 B1 NO 333376B1 NO 20040585 A NO20040585 A NO 20040585A NO 20040585 A NO20040585 A NO 20040585A NO 333376 B1 NO333376 B1 NO 333376B1
- Authority
- NO
- Norway
- Prior art keywords
- light
- fiber
- coupler
- sensor
- delay
- Prior art date
Links
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- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31174901P | 2001-08-10 | 2001-08-10 | |
| US31186701P | 2001-08-13 | 2001-08-13 | |
| US35529702P | 2002-02-07 | 2002-02-07 | |
| PCT/US2002/025228 WO2003014774A2 (en) | 2001-08-10 | 2002-08-07 | Amplified tree structure technology for fiber optic sensor arrays |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20040585L NO20040585L (no) | 2004-05-10 |
| NO333376B1 true NO333376B1 (no) | 2013-05-13 |
Family
ID=27405528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20040585A NO333376B1 (no) | 2001-08-10 | 2004-02-09 | Forsterket trestrukturteknologi for fiberoptisk sensormatrise. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1423987B1 (ko) |
| JP (1) | JP4184266B2 (ko) |
| KR (1) | KR100884674B1 (ko) |
| CA (1) | CA2457325C (ko) |
| NO (1) | NO333376B1 (ko) |
| WO (1) | WO2003014774A2 (ko) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7622706B2 (en) * | 2008-01-18 | 2009-11-24 | Pgs Geophysical As | Sensor cable and multiplexed telemetry system for seismic cables having redundant/reversible optical connections |
| GB0810977D0 (en) | 2008-06-16 | 2008-07-23 | Qinetiq Ltd | Phase based sensing |
| KR101104125B1 (ko) * | 2009-06-29 | 2012-01-13 | 국방과학연구소 | 광섬유 센서 배열 시스템 |
| JP5398009B2 (ja) * | 2010-03-17 | 2014-01-29 | 学校法人北里研究所 | オプティカル・コヒーレンス・トモグラフィー装置及び断層像の撮影方法 |
| CN103411660B (zh) * | 2013-08-29 | 2014-12-03 | 山东省科学院激光研究所 | 光纤分布式声波监测系统 |
| CN105096490B (zh) * | 2015-09-02 | 2020-12-25 | 同方威视技术股份有限公司 | 分布式光纤周界安防系统、声音还原系统及方法 |
| US10424895B2 (en) | 2017-12-13 | 2019-09-24 | Industrial Technology Research Institute | Mode-locked fiber laser device |
| CN111157102B (zh) * | 2020-01-02 | 2022-03-08 | 河海大学常州校区 | 一种分布式光纤传感系统中消除频率干扰的定位方法 |
| US11326936B2 (en) * | 2020-03-02 | 2022-05-10 | Halliburton Energy Services, Inc. | Topside distributed acoustic sensing interrogation of subsea wells with a single optical waveguide |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6034924A (en) * | 1998-04-03 | 2000-03-07 | The Board Of Trustees Of The Leland Stanford Junior Univerisity | Folded sagnac sensor array |
| US6278657B1 (en) * | 1998-04-03 | 2001-08-21 | The Board Of Trustees Of The Leland Stanford Junior University | Folded sagnac sensor array |
| US6282334B1 (en) * | 1999-05-13 | 2001-08-28 | Litton Systems, Inc. | Large scale WDM/TDM sensor array employing erbium-doped fiber amplifiers |
-
2002
- 2002-08-07 CA CA2457325A patent/CA2457325C/en not_active Expired - Lifetime
- 2002-08-07 WO PCT/US2002/025228 patent/WO2003014774A2/en active IP Right Grant
- 2002-08-07 JP JP2003519652A patent/JP4184266B2/ja not_active Expired - Fee Related
- 2002-08-07 KR KR1020047002036A patent/KR100884674B1/ko not_active IP Right Cessation
- 2002-08-07 EP EP02761300.9A patent/EP1423987B1/en not_active Expired - Lifetime
-
2004
- 2004-02-09 NO NO20040585A patent/NO333376B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2457325C (en) | 2010-10-26 |
| JP2004538469A (ja) | 2004-12-24 |
| NO20040585L (no) | 2004-05-10 |
| WO2003014774A2 (en) | 2003-02-20 |
| KR20040043187A (ko) | 2004-05-22 |
| KR100884674B1 (ko) | 2009-02-18 |
| EP1423987A2 (en) | 2004-06-02 |
| EP1423987B1 (en) | 2019-02-13 |
| JP4184266B2 (ja) | 2008-11-19 |
| EP1423987A4 (en) | 2006-08-02 |
| WO2003014774A3 (en) | 2003-11-20 |
| CA2457325A1 (en) | 2003-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |