ITRM20060302A1 - Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato - Google Patents

Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato

Info

Publication number
ITRM20060302A1
ITRM20060302A1 IT000302A ITRM20060302A ITRM20060302A1 IT RM20060302 A1 ITRM20060302 A1 IT RM20060302A1 IT 000302 A IT000302 A IT 000302A IT RM20060302 A ITRM20060302 A IT RM20060302A IT RM20060302 A1 ITRM20060302 A1 IT RM20060302A1
Authority
IT
Italy
Prior art keywords
shift
measurement method
signal demodulation
fiber based
profile measurement
Prior art date
Application number
IT000302A
Other languages
English (en)
Inventor
Romeo Bernini
Aldo Minardo
Luigi Zeni
Original Assignee
Cnr Consiglio Naz Delle Ric Er
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 Cnr Consiglio Naz Delle Ric Er filed Critical Cnr Consiglio Naz Delle Ric Er
Priority to IT000302A priority Critical patent/ITRM20060302A1/it
Priority to EP07425331A priority patent/EP1865289A2/en
Priority to US11/760,931 priority patent/US7515273B2/en
Publication of ITRM20060302A1 publication Critical patent/ITRM20060302A1/it

Links

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
    • G01D5/268—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 using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
IT000302A 2006-06-09 2006-06-09 Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato ITRM20060302A1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT000302A ITRM20060302A1 (it) 2006-06-09 2006-06-09 Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato
EP07425331A EP1865289A2 (en) 2006-06-09 2007-05-30 Method for measuring the Brillouin shift distribution along optical fiber based on the optical demodulation of the signals, and relevant apparatus
US11/760,931 US7515273B2 (en) 2006-06-09 2007-06-11 Method for measuring the brillouin shift distribution along an optical fiber based on the optical demodulation of the signals, and relevant apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000302A ITRM20060302A1 (it) 2006-06-09 2006-06-09 Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato

Publications (1)

Publication Number Publication Date
ITRM20060302A1 true ITRM20060302A1 (it) 2007-12-10

Family

ID=38640048

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000302A ITRM20060302A1 (it) 2006-06-09 2006-06-09 Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato

Country Status (3)

Country Link
US (1) US7515273B2 (it)
EP (1) EP1865289A2 (it)
IT (1) ITRM20060302A1 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4100574B2 (ja) * 2005-12-01 2008-06-11 国立大学法人 東京大学 光ファイバ特性測定装置及び光ファイバ特性測定方法
JP4775094B2 (ja) * 2006-04-21 2011-09-21 住友電気工業株式会社 ブリルアンスペクトル測定装置
ITRM20060302A1 (it) * 2006-06-09 2007-12-10 Cnr Consiglio Naz Delle Ric Er Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato
GB2440952B (en) * 2006-08-16 2009-04-08 Schlumberger Holdings Measuring brillouin backscatter from an optical fibre using digitisation
JP5070874B2 (ja) * 2007-02-14 2012-11-14 住友電気工業株式会社 測定装置、異常検知装置及び異常検知方法
CN101701851B (zh) * 2009-10-30 2011-04-13 浙江工业大学 单频单脉冲放大时受激布里渊频移的测量装置
US20130308682A1 (en) * 2011-01-27 2013-11-21 Ramot At Tel Aviv University Ltd. Distributed and dynamical brillouin sensing in optical fibers
WO2012119124A1 (en) * 2011-03-03 2012-09-07 University Of Southern California Sweep-free stimulated brillouin scattering-based fiber optical sensing
US8681322B2 (en) * 2011-10-12 2014-03-25 Baker Hughes Incorporated Distance measurement using incoherent optical reflectometry
US9500560B2 (en) * 2012-11-12 2016-11-22 Omnisens Sa Brillouin optoelectronic measurement method
JPWO2014091754A1 (ja) * 2012-12-12 2017-01-05 日本電気株式会社 光ファイバセンサおよびそのセンス方法
JPWO2014091755A1 (ja) * 2012-12-12 2017-01-05 日本電気株式会社 光ファイバセンシング装置および光ファイバセンシング方法
ITBO20130142A1 (it) 2013-03-29 2014-09-30 Filippo Bastianini Interrogatore per sensori distribuiti a fibra ottica per effetto brillouin stimolato impiegante un laser brillouin ad anello sintonizzabile rapidamente
WO2015121835A1 (en) 2014-02-13 2015-08-20 Optosensing Srl Method and apparatus for the measuring of a brillouin shift profile in an optical fiber
GB2523319B (en) * 2014-02-19 2017-08-16 Ap Sensing Gmbh Distributed optical sensing with two-step evaluation
JP5852693B2 (ja) * 2014-04-17 2016-02-03 日本電信電話株式会社 光ファイバ試験装置及び光ファイバ試験方法
WO2015170355A1 (en) 2014-05-05 2015-11-12 Filippo Bastianini Apparatus for interrogating distributed optical fibre sensors using a stimulated brillouin scattering optical frequency-domain interferometer
JP6713679B2 (ja) * 2015-02-10 2020-06-24 国立大学法人 東京大学 光ファイバ特性測定装置及び光ファイバ特性測定方法
US10171174B1 (en) * 2017-07-05 2019-01-01 Suzhou Liuyaosi Information Technology Co., Ltd. Method and system for optical vector analysis
CN112697179B (zh) * 2020-11-17 2023-06-20 浙江工业大学 一种基于AdaBoost的布里渊频移提取方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6813403B2 (en) * 2002-03-14 2004-11-02 Fiber Optic Systems Technology, Inc. Monitoring of large structures using brillouin spectrum analysis
WO2004040241A1 (ja) * 2002-11-01 2004-05-13 Kinzo Kishida 分布型光ファイバセンサシステム
US7245790B2 (en) * 2004-03-26 2007-07-17 University Of New Brunswick System and method for resolution enhancement of a distributed sensor
ATE545003T1 (de) * 2004-06-25 2012-02-15 Neubrex Co Ltd Verteilter faseroptischer sensor
US7480460B2 (en) * 2005-03-29 2009-01-20 University Of New Brunswick Dynamic strain distributed fiber optic sensor
WO2007036933A2 (en) * 2005-09-27 2007-04-05 Elbit Systems Electro-Optics Elop Ltd. High power fiber laser
ITRM20060302A1 (it) * 2006-06-09 2007-12-10 Cnr Consiglio Naz Delle Ric Er Metodo di misura di profilo di shift brillouin in fibra ottica basato sulla demodulazione ottica dei segnali e relativo apparato
JP5122120B2 (ja) * 2006-12-13 2013-01-16 横河電機株式会社 光ファイバ特性測定装置

Also Published As

Publication number Publication date
EP1865289A2 (en) 2007-12-12
US7515273B2 (en) 2009-04-07
US20080013096A1 (en) 2008-01-17

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