IT202200004667A1 - Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso - Google Patents

Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso

Info

Publication number
IT202200004667A1
IT202200004667A1 IT102022000004667A IT202200004667A IT202200004667A1 IT 202200004667 A1 IT202200004667 A1 IT 202200004667A1 IT 102022000004667 A IT102022000004667 A IT 102022000004667A IT 202200004667 A IT202200004667 A IT 202200004667A IT 202200004667 A1 IT202200004667 A1 IT 202200004667A1
Authority
IT
Italy
Prior art keywords
phase
same
fiber optic
acoustic sensors
distributed fiber
Prior art date
Application number
IT102022000004667A
Other languages
English (en)
Inventor
Filippo Bastianini
Gabriele Bolognini
Original Assignee
Sestosensor S R L
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.)
Filing date
Publication date
Application filed by Sestosensor S R L filed Critical Sestosensor S R L
Priority to IT102022000004667A priority Critical patent/IT202200004667A1/it
Publication of IT202200004667A1 publication Critical patent/IT202200004667A1/it

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
IT102022000004667A 2022-03-11 2022-03-11 Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso IT202200004667A1 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102022000004667A IT202200004667A1 (it) 2022-03-11 2022-03-11 Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000004667A IT202200004667A1 (it) 2022-03-11 2022-03-11 Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso

Publications (1)

Publication Number Publication Date
IT202200004667A1 true IT202200004667A1 (it) 2022-06-11

Family

ID=81749152

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000004667A IT202200004667A1 (it) 2022-03-11 2022-03-11 Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso

Country Status (1)

Country Link
IT (1) IT202200004667A1 (it)

Citations (48)

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US4840481A (en) 1987-12-10 1989-06-20 Simmonds Precision Polarimetric optical frequency domain distributed strain sensor and method
GB2212651A (en) 1987-11-17 1989-07-26 Stc Plc Lasers with external optical feedback
GB2243908A (en) 1990-03-31 1991-11-13 Sira Ltd Distributed fibre optic sensor
JPH04259813A (ja) 1991-02-15 1992-09-16 Nippon Telegr & Teleph Corp <Ntt> 光ケーブル歪分布評価方法及び装置
US5194847A (en) 1991-07-29 1993-03-16 Texas A & M University System Apparatus and method for fiber optic intrusion sensing
US5227623A (en) 1992-01-31 1993-07-13 Hewlett-Packard Company Method and apparatus for measuring polarization mode dispersion in optical devices
US5349458A (en) 1987-09-09 1994-09-20 Karlsson Stefan U Method for detecting external influence on an optical cable
US5384635A (en) 1993-08-10 1995-01-24 At&T Corp. Remote sensing in optical fiber networks by synchronously detecting backscattered optical signals
WO1998036256A1 (en) 1997-02-13 1998-08-20 Andrea Galtarossa Apparatus for measuring characteristics of an optical fibre
US20020167670A1 (en) * 2001-05-11 2002-11-14 Baney Douglas M. Method and system for optical spectrum analysis with non-uniform sweep rate correction
WO2002095349A1 (en) 2001-05-18 2002-11-28 University Of Surrey Optical fibre backscatter polarimetry
US6519027B1 (en) 2000-03-08 2003-02-11 Lucent Technologies Inc. Polarization mode dispersion measurement
US20030174312A1 (en) 2002-03-15 2003-09-18 Michel Leblanc Polarization-OTDR for measuring characteristics of optical fibers
CA2471803A1 (en) 2003-07-03 2005-01-03 Senstar-Stellar Corporation Method and apparatus using polarisation optical time domain reflectometry for security applications
WO2006035205A1 (en) 2004-09-30 2006-04-06 British Telecommunications Public Limited Company Distributed backscattering
WO2006109051A1 (en) 2005-04-14 2006-10-19 British Telecommunications Public Limited Company Method and apparatus for communicating sound over an optical link
WO2006135381A2 (en) 2004-08-06 2006-12-21 United States Of America As Represented By The Secretary Of The Navy Virtual phase signal sensing array optical fiber system
WO2007005277A1 (en) 2005-06-30 2007-01-11 Corning Incorporated Method of evaluating fiber pmd using composite potdr trace
WO2007049004A1 (en) 2005-10-25 2007-05-03 Qinetiq Limited Traffic sensing and monitoring apparatus
US20070201786A1 (en) 2003-10-27 2007-08-30 Marc Wuilpart Method For Characterizing An Optical Fiber Link
WO2007096578A1 (en) 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
WO2008027257A2 (en) 2006-08-31 2008-03-06 At & T Corp Method and apparatus for increasing the security of the physical fiber plant by polarization monitoring
WO2008056143A1 (en) 2006-11-08 2008-05-15 Fotech Solutions Limited Detecting a disturbance in the phase of light propagating in an optical waveguide
WO2010009007A1 (en) 2008-07-17 2010-01-21 Schlumberger Canada Limited Frequency-scanned optical time domain reflectometry
WO2010055293A1 (en) 2008-11-12 2010-05-20 Fotech Solutions Limited Distributed fibre optic sensing for event detection
WO2010073002A1 (en) 2008-12-22 2010-07-01 Fotech Solutions Limited Distributed optical fibre sensor
WO2010136809A2 (en) 2009-05-27 2010-12-02 Silixa Ltd Optical sensor and method of use
WO2011039501A2 (en) 2009-09-30 2011-04-07 Qinetiq Limited Phase based sensing
WO2011127705A1 (zh) 2010-04-13 2011-10-20 中国计量学院 分布式光纤拉曼、布里渊散射传感器
WO2012030814A2 (en) 2010-09-01 2012-03-08 Schlumberger Canada Limited Distributed fiber optic sensor system with improved linearity
WO2013027068A2 (en) 2011-08-25 2013-02-28 Optasense Holdings Limited A fibre optic distributed sensor
JP2013047669A (ja) 2011-07-25 2013-03-07 Kansai Electric Power Co Inc:The 光ファイバの解析装置および光ファイバの解析方法
WO2013066654A1 (en) 2011-11-04 2013-05-10 Schlumberger Canada Limited Phase sensitive coherent otdr with multi-frequency interrogation
WO2013103201A1 (ko) 2012-01-06 2013-07-11 (주)파이버프로 간섭계형 광섬유 교란 감지 장치 및 그 감지 방법
JP2013185922A (ja) 2012-03-07 2013-09-19 Hitachi Cable Ltd 光ファイバ振動センサ
WO2014201057A2 (en) 2013-06-10 2014-12-18 General Photonics Corporation Devices and methods for characterization of distributed fiber bend and stress
EP2816323A1 (de) 2013-06-18 2014-12-24 Siemens Convergence Creators GmbH Verfahren und Vorrichtung zur Messung der akustischen Umgebung einer Glasfaser
WO2016105196A2 (en) 2014-12-23 2016-06-30 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Detection of local property changes in an optical sensing fiber
WO2016142695A1 (en) 2015-03-06 2016-09-15 Silixa Ltd. Method and apparatus for optical sensing
WO2017087792A1 (en) 2015-11-20 2017-05-26 Sentek Instrument, Llc Method and apparatus for distributed sensing
US20170176221A1 (en) 2015-12-18 2017-06-22 Schlumberger Technology Corporation Non-linear interactions with backscattered light
EP3511681A1 (en) 2018-01-12 2019-07-17 AP Sensing GmbH High rate fibre optical distributed acoustic sensing
EP3588015A1 (en) 2016-04-15 2020-01-01 Viavi Solutions Inc. Brillouin and rayleigh distributed sensor
WO2020016556A1 (en) 2018-07-16 2020-01-23 Optasense Holdings Limited Distributed fibre optic sensing
WO2020070229A1 (en) 2018-10-03 2020-04-09 Nkt Photonics Gmbh Distributed sensing apparatus
CN107884060B (zh) * 2017-10-27 2020-10-30 中国人民解放军国防科技大学 一种光纤分布式传感探测方法及装置
US20200370949A1 (en) 2019-05-22 2020-11-26 Nec Laboratories America, Inc Performance of rayleigh-based phase-otdr with correlation-based diversity combining and bias removal
WO2021019171A1 (fr) 2019-07-26 2021-02-04 Febus Optics Procede et dispositif de reconstruction d'une onde electromagnetique vectorielle retrodiffusee

Patent Citations (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349458A (en) 1987-09-09 1994-09-20 Karlsson Stefan U Method for detecting external influence on an optical cable
GB2212651A (en) 1987-11-17 1989-07-26 Stc Plc Lasers with external optical feedback
US4840481A (en) 1987-12-10 1989-06-20 Simmonds Precision Polarimetric optical frequency domain distributed strain sensor and method
GB2243908A (en) 1990-03-31 1991-11-13 Sira Ltd Distributed fibre optic sensor
JPH04259813A (ja) 1991-02-15 1992-09-16 Nippon Telegr & Teleph Corp <Ntt> 光ケーブル歪分布評価方法及び装置
US5194847A (en) 1991-07-29 1993-03-16 Texas A & M University System Apparatus and method for fiber optic intrusion sensing
US5227623A (en) 1992-01-31 1993-07-13 Hewlett-Packard Company Method and apparatus for measuring polarization mode dispersion in optical devices
US5384635A (en) 1993-08-10 1995-01-24 At&T Corp. Remote sensing in optical fiber networks by synchronously detecting backscattered optical signals
EP0638795A2 (en) 1993-08-10 1995-02-15 AT&T Corp. Remote sensing in optical fiber networks
WO1998036256A1 (en) 1997-02-13 1998-08-20 Andrea Galtarossa Apparatus for measuring characteristics of an optical fibre
US6519027B1 (en) 2000-03-08 2003-02-11 Lucent Technologies Inc. Polarization mode dispersion measurement
US20020167670A1 (en) * 2001-05-11 2002-11-14 Baney Douglas M. Method and system for optical spectrum analysis with non-uniform sweep rate correction
WO2002095349A1 (en) 2001-05-18 2002-11-28 University Of Surrey Optical fibre backscatter polarimetry
US20030174312A1 (en) 2002-03-15 2003-09-18 Michel Leblanc Polarization-OTDR for measuring characteristics of optical fibers
CA2471803A1 (en) 2003-07-03 2005-01-03 Senstar-Stellar Corporation Method and apparatus using polarisation optical time domain reflectometry for security applications
US20070201786A1 (en) 2003-10-27 2007-08-30 Marc Wuilpart Method For Characterizing An Optical Fiber Link
WO2006135381A2 (en) 2004-08-06 2006-12-21 United States Of America As Represented By The Secretary Of The Navy Virtual phase signal sensing array optical fiber system
WO2006035205A1 (en) 2004-09-30 2006-04-06 British Telecommunications Public Limited Company Distributed backscattering
WO2006109051A1 (en) 2005-04-14 2006-10-19 British Telecommunications Public Limited Company Method and apparatus for communicating sound over an optical link
WO2007005277A1 (en) 2005-06-30 2007-01-11 Corning Incorporated Method of evaluating fiber pmd using composite potdr trace
WO2007049004A1 (en) 2005-10-25 2007-05-03 Qinetiq Limited Traffic sensing and monitoring apparatus
WO2007096578A1 (en) 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
WO2008027257A2 (en) 2006-08-31 2008-03-06 At & T Corp Method and apparatus for increasing the security of the physical fiber plant by polarization monitoring
WO2008056143A1 (en) 2006-11-08 2008-05-15 Fotech Solutions Limited Detecting a disturbance in the phase of light propagating in an optical waveguide
WO2010009007A1 (en) 2008-07-17 2010-01-21 Schlumberger Canada Limited Frequency-scanned optical time domain reflectometry
WO2010055293A1 (en) 2008-11-12 2010-05-20 Fotech Solutions Limited Distributed fibre optic sensing for event detection
WO2010073002A1 (en) 2008-12-22 2010-07-01 Fotech Solutions Limited Distributed optical fibre sensor
WO2010136809A2 (en) 2009-05-27 2010-12-02 Silixa Ltd Optical sensor and method of use
US9140582B2 (en) * 2009-05-27 2015-09-22 Silixa Limited Optical sensor and method of use
WO2011039501A2 (en) 2009-09-30 2011-04-07 Qinetiq Limited Phase based sensing
WO2011127705A1 (zh) 2010-04-13 2011-10-20 中国计量学院 分布式光纤拉曼、布里渊散射传感器
WO2012030814A2 (en) 2010-09-01 2012-03-08 Schlumberger Canada Limited Distributed fiber optic sensor system with improved linearity
JP2013047669A (ja) 2011-07-25 2013-03-07 Kansai Electric Power Co Inc:The 光ファイバの解析装置および光ファイバの解析方法
WO2013027068A2 (en) 2011-08-25 2013-02-28 Optasense Holdings Limited A fibre optic distributed sensor
WO2013066654A1 (en) 2011-11-04 2013-05-10 Schlumberger Canada Limited Phase sensitive coherent otdr with multi-frequency interrogation
WO2013103201A1 (ko) 2012-01-06 2013-07-11 (주)파이버프로 간섭계형 광섬유 교란 감지 장치 및 그 감지 방법
JP2013185922A (ja) 2012-03-07 2013-09-19 Hitachi Cable Ltd 光ファイバ振動センサ
WO2014201057A2 (en) 2013-06-10 2014-12-18 General Photonics Corporation Devices and methods for characterization of distributed fiber bend and stress
EP2816323A1 (de) 2013-06-18 2014-12-24 Siemens Convergence Creators GmbH Verfahren und Vorrichtung zur Messung der akustischen Umgebung einer Glasfaser
WO2016105196A2 (en) 2014-12-23 2016-06-30 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Detection of local property changes in an optical sensing fiber
WO2016142695A1 (en) 2015-03-06 2016-09-15 Silixa Ltd. Method and apparatus for optical sensing
WO2017087792A1 (en) 2015-11-20 2017-05-26 Sentek Instrument, Llc Method and apparatus for distributed sensing
US20170176221A1 (en) 2015-12-18 2017-06-22 Schlumberger Technology Corporation Non-linear interactions with backscattered light
EP3588015A1 (en) 2016-04-15 2020-01-01 Viavi Solutions Inc. Brillouin and rayleigh distributed sensor
CN107884060B (zh) * 2017-10-27 2020-10-30 中国人民解放军国防科技大学 一种光纤分布式传感探测方法及装置
EP3511681A1 (en) 2018-01-12 2019-07-17 AP Sensing GmbH High rate fibre optical distributed acoustic sensing
WO2020016556A1 (en) 2018-07-16 2020-01-23 Optasense Holdings Limited Distributed fibre optic sensing
WO2020070229A1 (en) 2018-10-03 2020-04-09 Nkt Photonics Gmbh Distributed sensing apparatus
US20200370949A1 (en) 2019-05-22 2020-11-26 Nec Laboratories America, Inc Performance of rayleigh-based phase-otdr with correlation-based diversity combining and bias removal
WO2021019171A1 (fr) 2019-07-26 2021-02-04 Febus Optics Procede et dispositif de reconstruction d'une onde electromagnetique vectorielle retrodiffusee

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MUPING SONGCONG YINQIAOLAN XIAYAN LUWEIJI ZHU: "Development of distributed POTDR with analyzers of different SOP directions", AIP CONFERENCE PROCEEDINGS, vol. 1839, 2017, pages 020100

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