ES2879252T3 - Detección acústica distribuida - Google Patents
Detección acústica distribuida Download PDFInfo
- Publication number
- ES2879252T3 ES2879252T3 ES18701282T ES18701282T ES2879252T3 ES 2879252 T3 ES2879252 T3 ES 2879252T3 ES 18701282 T ES18701282 T ES 18701282T ES 18701282 T ES18701282 T ES 18701282T ES 2879252 T3 ES2879252 T3 ES 2879252T3
- Authority
- ES
- Spain
- Prior art keywords
- optical
- fiber
- frequency
- light
- pulses
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000003287 optical effect Effects 0.000 claims abstract description 113
- 239000000835 fiber Substances 0.000 claims abstract description 79
- 239000000523 sample Substances 0.000 claims abstract description 52
- 230000003111 delayed effect Effects 0.000 claims abstract description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 22
- 230000002441 reversible effect Effects 0.000 claims abstract description 5
- 230000010287 polarization Effects 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 12
- 230000035945 sensitivity Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 description 33
- 238000005562 fading Methods 0.000 description 23
- 238000012360 testing method Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 12
- 230000001427 coherent effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 230000010363 phase shift Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 230000009021 linear effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000001066 destructive effect Effects 0.000 description 5
- 239000000969 carrier Substances 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 4
- 230000001902 propagating effect Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35303—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35335—Aspects of emitters or receivers used by an interferometer in an optical fibre sensor arrangement
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1700994.5A GB2558922A (en) | 2017-01-20 | 2017-01-20 | Distributed acoustic sensing |
| PCT/EP2018/050793 WO2018134137A1 (en) | 2017-01-20 | 2018-01-12 | Distributed acoustic sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2879252T3 true ES2879252T3 (es) | 2021-11-22 |
Family
ID=58463029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES18701282T Active ES2879252T3 (es) | 2017-01-20 | 2018-01-12 | Detección acústica distribuida |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10935398B2 (enExample) |
| EP (1) | EP3571475B1 (enExample) |
| JP (1) | JP6921236B2 (enExample) |
| CN (1) | CN110383009B (enExample) |
| ES (1) | ES2879252T3 (enExample) |
| GB (1) | GB2558922A (enExample) |
| WO (1) | WO2018134137A1 (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10330526B1 (en) * | 2017-12-06 | 2019-06-25 | Saudi Arabian Oil Company | Determining structural tomographic properties of a geologic formation |
| CN109941308B (zh) * | 2019-03-21 | 2020-07-07 | 北京交通大学 | 一种基于光纤m-z干涉的异常扰动信号分析方法 |
| JP7111045B2 (ja) * | 2019-04-03 | 2022-08-02 | 日本電信電話株式会社 | 位相測定方法及び信号処理装置 |
| JP7240947B2 (ja) * | 2019-05-09 | 2023-03-16 | 株式会社アドバンテスト | 光学試験用装置 |
| GB2588177B (en) | 2019-10-11 | 2022-10-12 | Sintela Ltd | Signal processing methods for an optical detection system |
| JP7298471B2 (ja) * | 2019-12-25 | 2023-06-27 | 沖電気工業株式会社 | 光コヒーレントセンサ及び光コヒーレントセンシング方法 |
| 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 |
| US11543287B2 (en) * | 2020-05-20 | 2023-01-03 | Nec Corporation | Distributed acoustic sensing using multi-band time-gated digital orthogonal frequency domain reflectometry |
| CN111928938A (zh) * | 2020-09-10 | 2020-11-13 | 无锡科晟光子科技有限公司 | 长距离分布式光纤振动检测系统 |
| WO2022054254A1 (ja) * | 2020-09-11 | 2022-03-17 | 日本電信電話株式会社 | 振動検出装置及び振動検出方法 |
| GB2603205A (en) | 2021-02-02 | 2022-08-03 | Focus Sensors Ltd | Ground sensing utlising active sources |
| GB2609641B (en) * | 2021-08-11 | 2024-10-02 | Sintela Ltd | Signal processing methods for an optical detection system |
| CN113790792A (zh) * | 2021-08-18 | 2021-12-14 | 北京航空航天大学 | 一种基于零差探测的分布式光纤声波传感装置及解调方法 |
| CA3229462A1 (en) | 2021-08-18 | 2023-02-23 | Eitan ROWEN | Real-time quasi-coherent detection and fiber sensing using multi-frequency signals |
| EP4155708A1 (en) | 2021-09-24 | 2023-03-29 | Viavi Solutions Inc. | Optical time-domain reflectometer (otdr) including channel checker |
| US11942986B2 (en) * | 2021-09-24 | 2024-03-26 | Viavi Solutions Inc. | Optical time-domain reflectometer (OTDR) including channel checker |
| US12104972B2 (en) * | 2021-09-28 | 2024-10-01 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Multiplexed long-range fiber optic sensing |
| US20230152543A1 (en) * | 2021-11-18 | 2023-05-18 | Nec Laboratories America, Inc | Impulse signal detection for buried cable protection using distributed fiber optic sensing |
| GB2616282A (en) * | 2022-03-02 | 2023-09-06 | Sintela Ltd | Signal processing methods for an optical detection system |
| CN116182916B (zh) * | 2023-04-27 | 2023-07-07 | 四川省医学科学院·四川省人民医院 | 一种宽带相位调制处理的光子传感系统 |
| EP4563947A1 (en) * | 2023-11-30 | 2025-06-04 | BAE SYSTEMS plc | Distributed fibre optic sensing |
| CN119437391B (zh) * | 2024-11-29 | 2025-05-06 | 南京木木西里科技有限公司 | 一种基于光纤传感的单频激光干涉振动测量系统及方法 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363114A (en) * | 1981-01-21 | 1982-12-07 | The United States Of America As Represented By The Secretary Of The Navy | Low noise remote optical fiber sound detector |
| GB2189880B (en) * | 1986-04-30 | 1989-12-28 | Plessey Co Plc | Optical sensor system |
| JPH02242237A (ja) * | 1989-03-15 | 1990-09-26 | Matsushita Electric Ind Co Ltd | 音響光学光周波数シフタ |
| JP2750781B2 (ja) * | 1990-11-13 | 1998-05-13 | 本田技研工業 株式会社 | Ｆｍレーダ |
| GB9324333D0 (en) * | 1993-11-26 | 1994-01-12 | Sensor Dynamics Ltd | Measurement of one or more physical parameters |
| JP3583906B2 (ja) * | 1996-07-15 | 2004-11-04 | 伊藤 弘昌 | 光学式距離計 |
| GB0409865D0 (en) * | 2004-05-01 | 2004-06-09 | Sensornet Ltd | Direct measurement of brillouin frequency in distributed optical sensing systems |
| GB2442745B (en) * | 2006-10-13 | 2011-04-06 | At & T Corp | Method and apparatus for acoustic sensing using multiple optical pulses |
| CA2629902A1 (en) * | 2007-04-26 | 2008-10-26 | Oz Optics Ltd. | Detection and location of breaks in distributed brillouin fiber sensors |
| CN101141200B (zh) * | 2007-10-15 | 2010-08-04 | 哈尔滨工业大学 | 基于多频相位调制的多波长源产生装置 |
| CN101321019B (zh) * | 2008-07-03 | 2011-07-20 | 上海交通大学 | 产生精确波长间隔和高平坦度的多波长光源的装置和方法 |
| JP5421013B2 (ja) * | 2009-07-28 | 2014-02-19 | 株式会社 光コム | 位置決め装置及び位置決め方法 |
| CN101793570B (zh) * | 2009-10-21 | 2012-08-08 | 南京大学 | 光纤布拉格光栅激光器的传感方法 |
| US9170149B2 (en) * | 2010-09-01 | 2015-10-27 | Schlumberger Technology Corporation | Distributed fiber optic sensor system with improved linearity |
| US20130113629A1 (en) * | 2011-11-04 | 2013-05-09 | Schlumberger Technology Corporation | Phase sensitive coherent otdr with multi-frequency interrogation |
| CN102571200A (zh) * | 2012-01-09 | 2012-07-11 | 南京大学 | 多频探测光相干光时域反射仪方法和装置 |
| WO2015180786A1 (en) * | 2014-05-30 | 2015-12-03 | Omnisens Sa | Optical process and optical device, allowing to avoid unwanted nonlinear effects in an optical fiber |
| CN104180833A (zh) * | 2014-07-18 | 2014-12-03 | 中国科学院上海光学精密机械研究所 | 温度和应变同时传感的光时域反射计 |
| WO2016021689A1 (ja) * | 2014-08-07 | 2016-02-11 | 古河電気工業株式会社 | 光ファイバセンサ、地震探査方法、石油、天然ガス貯留層分布の計測方法、歪み検知方法および地層の割れ目位置特定方法 |
| WO2016039928A1 (en) * | 2014-09-12 | 2016-03-17 | Halliburton Energy Services, Inc. | Noise removal for distributed acoustic sensing data |
| JP6342019B2 (ja) * | 2015-01-21 | 2018-06-13 | ニューブレクス株式会社 | 分布型光ファイバ音波検出装置 |
| JP6308160B2 (ja) * | 2015-03-31 | 2018-04-11 | 沖電気工業株式会社 | 光ファイバ歪み測定装置及び光ファイバ歪み測定方法 |
| CN105698871B (zh) * | 2016-03-29 | 2018-08-21 | 天津大学 | 基于光频域反射的分布式应变温度同时测量装置及方法 |
-
2017
- 2017-01-20 GB GB1700994.5A patent/GB2558922A/en not_active Withdrawn
-
2018
- 2018-01-12 WO PCT/EP2018/050793 patent/WO2018134137A1/en not_active Ceased
- 2018-01-12 CN CN201880015050.3A patent/CN110383009B/zh active Active
- 2018-01-12 EP EP18701282.8A patent/EP3571475B1/en active Active
- 2018-01-12 ES ES18701282T patent/ES2879252T3/es active Active
- 2018-01-12 JP JP2019560464A patent/JP6921236B2/ja active Active
- 2018-01-12 US US16/479,109 patent/US10935398B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020508467A (ja) | 2020-03-19 |
| GB2558922A (en) | 2018-07-25 |
| CN110383009B (zh) | 2021-09-07 |
| EP3571475B1 (en) | 2021-03-31 |
| US10935398B2 (en) | 2021-03-02 |
| GB201700994D0 (en) | 2017-03-08 |
| CN110383009A (zh) | 2019-10-25 |
| EP3571475A1 (en) | 2019-11-27 |
| WO2018134137A1 (en) | 2018-07-26 |
| US20190383648A1 (en) | 2019-12-19 |
| JP6921236B2 (ja) | 2021-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2879252T3 (es) | Detección acústica distribuida | |
| US20230314189A1 (en) | Method and Apparatus for Optical Sensing | |
| ES2985979T3 (es) | Aparato de detección distribuida | |
| US11899112B2 (en) | Laser radar device | |
| EP1260116B1 (en) | Folded sagnac sensor array | |
| JP5948035B2 (ja) | 分布型光ファイバ音波検出装置 | |
| CN102713528B (zh) | 光学感测的方法及装置 | |
| US6667935B2 (en) | Apparatus and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array | |
| JP4974773B2 (ja) | 光波レーダ装置 | |
| EP1423986B1 (en) | Apparauts and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array | |
| US6678211B2 (en) | Amplified tree structure technology for fiber optic sensor arrays | |
| JP7639912B2 (ja) | 振動測定器及び振動測定方法 | |
| EP1423987B1 (en) | Amplified tree structure technology for fiber optic sensor arrays | |
| Han et al. | Fiber-optic sensor array based on Sagnac interferometer with stable phase bias | |
| JP2005283466A (ja) | 振動計測装置 | |
| JPH01145545A (ja) | 高分解能反射試験方法および装置 |