IT1196798B - Sensore distribuito di temperatura utilizzante una fibra ottica come elemento sensibile - Google Patents

Sensore distribuito di temperatura utilizzante una fibra ottica come elemento sensibile

Info

Publication number
IT1196798B
IT1196798B IT67871/86A IT6787186A IT1196798B IT 1196798 B IT1196798 B IT 1196798B IT 67871/86 A IT67871/86 A IT 67871/86A IT 6787186 A IT6787186 A IT 6787186A IT 1196798 B IT1196798 B IT 1196798B
Authority
IT
Italy
Prior art keywords
optical fiber
sensitive element
distributed sensor
temperature distributed
temperature
Prior art date
Application number
IT67871/86A
Other languages
English (en)
Other versions
IT8667871A0 (it
Inventor
Giorgio Greco
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67871/86A priority Critical patent/IT1196798B/it
Publication of IT8667871A0 publication Critical patent/IT8667871A0/it
Priority to CA000551272A priority patent/CA1308935C/en
Priority to US07/122,057 priority patent/US4830513A/en
Priority to JP62289676A priority patent/JPH0663872B2/ja
Priority to DE198787117238T priority patent/DE272466T1/de
Priority to EP87117238A priority patent/EP0272466B1/en
Priority to DE8787117238T priority patent/DE3781122T2/de
Application granted granted Critical
Publication of IT1196798B publication Critical patent/IT1196798B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Radiation Pyrometers (AREA)
IT67871/86A 1986-11-24 1986-11-24 Sensore distribuito di temperatura utilizzante una fibra ottica come elemento sensibile IT1196798B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67871/86A IT1196798B (it) 1986-11-24 1986-11-24 Sensore distribuito di temperatura utilizzante una fibra ottica come elemento sensibile
CA000551272A CA1308935C (en) 1986-11-24 1987-11-06 Distributed temperature sensor using an optical fibre as sensing element
US07/122,057 US4830513A (en) 1986-11-24 1987-11-18 Distributed temperature sensor with optical-fiber sensing element
JP62289676A JPH0663872B2 (ja) 1986-11-24 1987-11-18 分布温度センサ
DE198787117238T DE272466T1 (de) 1986-11-24 1987-11-23 Raeumlich verteilter temperatursensor mit einer optischen faser als messaufnehmer.
EP87117238A EP0272466B1 (en) 1986-11-24 1987-11-23 Distributed temperature sensor using an optical fibre as sensing element
DE8787117238T DE3781122T2 (de) 1986-11-24 1987-11-23 Raeumlich verteilter temperatursensor mit einer optischen faser als messaufnehmer.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67871/86A IT1196798B (it) 1986-11-24 1986-11-24 Sensore distribuito di temperatura utilizzante una fibra ottica come elemento sensibile

Publications (2)

Publication Number Publication Date
IT8667871A0 IT8667871A0 (it) 1986-11-24
IT1196798B true IT1196798B (it) 1988-11-25

Family

ID=11305963

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67871/86A IT1196798B (it) 1986-11-24 1986-11-24 Sensore distribuito di temperatura utilizzante una fibra ottica come elemento sensibile

Country Status (6)

Country Link
US (1) US4830513A (it)
EP (1) EP0272466B1 (it)
JP (1) JPH0663872B2 (it)
CA (1) CA1308935C (it)
DE (2) DE3781122T2 (it)
IT (1) IT1196798B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035511A (en) * 1990-04-10 1991-07-30 The Babcock & Wilcox Company Distributed fiber optic temperature sensor based on time domain transmission
US5093568A (en) * 1990-12-14 1992-03-03 John Maycock Monitoring system for fiber optic cables utilizing an OTDR for detection of signal loss and automatic location of faults in the cable
US5212099A (en) * 1991-01-18 1993-05-18 Eastman Kodak Company Method and apparatus for optically measuring concentration of an analyte
US5191206A (en) * 1991-04-16 1993-03-02 Electric Power Research Institute, Inc. Distributed fiber optic sensor using clad material light backscattering
US5348396A (en) * 1992-11-20 1994-09-20 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for optical temperature measurement
US5365876A (en) * 1993-02-01 1994-11-22 The United States Of America As Represented By The United States Department Of Energy Crystal face temperature determination means
DE4304545C2 (de) * 1993-02-11 1998-10-01 Felten & Guilleaume Energie Kabel mit Lichtwellenleitern
WO1996010735A1 (en) * 1994-10-03 1996-04-11 York Sensors Limited Monitoring wall temperatures of reactor vessels
US6769805B2 (en) * 1998-08-25 2004-08-03 Sensor Highway Limited Method of using a heater with a fiber optic string in a wellbore
US6494617B1 (en) 1999-04-30 2002-12-17 General Electric Company Status detection apparatus and method for fluid-filled electrical equipment
US6853798B1 (en) * 2001-10-15 2005-02-08 Sandia Corporation Downhole geothermal well sensors comprising a hydrogen-resistant optical fiber
US20040131504A1 (en) * 2002-09-17 2004-07-08 Landers James P. Remote temperature sensing of small volume and related apparatus thereof
JP4553181B2 (ja) * 2004-03-25 2010-09-29 株式会社サタケ 残留農薬分析方法
US7628533B2 (en) * 2006-03-13 2009-12-08 SensorTran, Inc Systems and methods for detecting corrosion
WO2009014649A1 (en) * 2007-07-20 2009-01-29 Sensortran, Inc. New pure silica core multimode fiber sensors for dts applications
DE102008017740A1 (de) * 2008-04-07 2009-10-15 Lios Technology Gmbh Vorrichtung und Verfahren zur Kalibrierung eines faseroptischen Temperaturmesssystems
DE102008040520A1 (de) * 2008-07-17 2010-01-21 Volkswagen Ag Elektrochemische Energiequelle mit Temperatursensor und Verfahren zum Erfassen der Betriebstemperatur innerhalb einer elektrochemischen Energiequelle
GB201618036D0 (en) 2016-10-25 2016-12-07 Fotech Solutions Limited Distributed optical temperature sensor
PL235969B1 (pl) * 2018-10-18 2020-11-16 El Cab Spolka Z Ograniczona Odpowiedzialnoscia Urządzenie do monitorowania temperatury, sposób monitorowania temperatury oraz system monitorowania temperatury
CN113607277B (zh) * 2021-07-21 2022-08-12 成都飞机工业（集团）有限责任公司 一种窄线宽激光器线宽测量系统的解调方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4948790B1 (it) * 1968-11-09 1974-12-23
US4151747A (en) * 1978-06-21 1979-05-01 Electric Power Research Institute, Inc. Monitoring arrangement utilizing fiber optics
US4365896A (en) * 1980-04-03 1982-12-28 Bethlehem Steel Corp. Optical attenuation monitor system and method
US4542987A (en) * 1983-03-08 1985-09-24 Regents Of The University Of California Temperature-sensitive optrode
US4576485A (en) * 1983-04-29 1986-03-18 Westinghouse Electric Corp. Method and apparatus for measuring temperature profile with a single optical fiber
DE3318678A1 (de) * 1983-05-21 1984-11-22 Adolf Friedrich Prof. Dr.-Phys. Fercher Verfahren und vorrichtung zur interferometrie rauher oberflaechen
GB2140554A (en) * 1983-05-26 1984-11-28 Plessey Co Plc Temperature measuring arrangement
JPS6048134U (ja) * 1983-09-09 1985-04-04 株式会社　潤工社 温度検知装置
GB2170593B (en) * 1985-02-01 1988-09-14 Central Electr Generat Board Temperature measurement
US4710026A (en) * 1985-03-22 1987-12-01 Nippon Kogaku K. K. Position detection apparatus
GB8520827D0 (en) * 1985-08-20 1985-09-25 York Ventures & Special Optica Fibre-optic sensing devices
DE3627198A1 (de) * 1986-08-11 1988-02-18 Bbc Brown Boveri & Cie Anordnung zur zeitlich aufgeloesten optischen rueckstreumessung an lichtwellenleitern
JPH071221B2 (ja) * 1986-11-20 1995-01-11 日本電信電話株式会社 後方散乱光測定装置

Also Published As

Publication number Publication date
CA1308935C (en) 1992-10-20
US4830513A (en) 1989-05-16
DE272466T1 (de) 1990-09-27
DE3781122T2 (de) 1992-12-17
JPH0663872B2 (ja) 1994-08-22
JPS63140927A (ja) 1988-06-13
EP0272466A2 (en) 1988-06-29
IT8667871A0 (it) 1986-11-24
DE3781122D1 (de) 1992-09-17
EP0272466B1 (en) 1992-08-12
EP0272466A3 (en) 1990-06-27

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971127