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 apparatoInfo
- 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
Links
- 238000000691 measurement method Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
- 239000013307 optical fiber Substances 0.000 title 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
- G01D5/268—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)
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)
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 |
CA2825104A1 (en) * | 2011-01-27 | 2012-08-02 | 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 |
WO2014091754A1 (ja) * | 2012-12-12 | 2014-06-19 | 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 |
WO2014091755A1 (ja) * | 2012-12-12 | 2014-06-19 | 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)
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 |
WO2006001071A1 (ja) * | 2004-06-25 | 2006-01-05 | Neubrex Co., Ltd. | 分布型光ファイバセンサ |
US7480460B2 (en) * | 2005-03-29 | 2009-01-20 | University Of New Brunswick | Dynamic strain distributed fiber optic sensor |
EP1941591A2 (en) * | 2005-09-27 | 2008-07-09 | 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 |
-
2006
- 2006-06-09 IT IT000302A patent/ITRM20060302A1/it unknown
-
2007
- 2007-05-30 EP EP07425331A patent/EP1865289A2/en not_active Withdrawn
- 2007-06-11 US US11/760,931 patent/US7515273B2/en not_active Expired - Fee Related
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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