ATE131607T1 - Optisches faserkabel zur bestimmung von temperaturänderungen - Google Patents

Optisches faserkabel zur bestimmung von temperaturänderungen

Info

Publication number
ATE131607T1
ATE131607T1 AT90914975T AT90914975T ATE131607T1 AT E131607 T1 ATE131607 T1 AT E131607T1 AT 90914975 T AT90914975 T AT 90914975T AT 90914975 T AT90914975 T AT 90914975T AT E131607 T1 ATE131607 T1 AT E131607T1
Authority
AT
Austria
Prior art keywords
fibre
light
cover
coefficient
heat expansion
Prior art date
Application number
AT90914975T
Other languages
English (en)
Inventor
Bengt Johan Anders Carlstroem
Gunnar Stefan Forsberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE131607T1 publication Critical patent/ATE131607T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/50—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction
    • G01K5/52—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction with electrical conversion means for final indication
    • 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)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
AT90914975T 1989-10-02 1990-10-02 Optisches faserkabel zur bestimmung von temperaturänderungen ATE131607T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8903229A SE468229B (sv) 1989-10-02 1989-10-02 Optisk fiberkabel foer detektering av en temperaturfoeraendring

Publications (1)

Publication Number Publication Date
ATE131607T1 true ATE131607T1 (de) 1995-12-15

Family

ID=20377026

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90914975T ATE131607T1 (de) 1989-10-02 1990-10-02 Optisches faserkabel zur bestimmung von temperaturänderungen

Country Status (11)

Country Link
US (1) US5251274A (de)
EP (2) EP0421967A1 (de)
JP (1) JP3061407B2 (de)
AT (1) ATE131607T1 (de)
AU (1) AU6522990A (de)
DE (1) DE69024224T2 (de)
DK (1) DK0494930T3 (de)
ES (1) ES2080839T3 (de)
NO (1) NO921270L (de)
SE (1) SE468229B (de)
WO (1) WO1991005230A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0553675A1 (de) * 1992-01-29 1993-08-04 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Überwachung der Temperatur in einem Turbinenbauteil
US5419636A (en) * 1993-08-12 1995-05-30 Sandia Corporation Microbend fiber-optic temperature sensor
SE502778C2 (sv) * 1993-10-14 1996-01-08 Ericsson Telefon Ab L M Optisk fiber för användning som givare jämte förfarande för framställning av en optisk fiber för användning som givare
CA2178076A1 (en) * 1994-10-03 1996-04-11 Arnold Harold Hartog Monitoring wall temperatures of reactor vessels
US6205280B1 (en) * 1998-08-25 2001-03-20 Molecular Optoelectronics Corporation Blockless fiber optic attenuators and attenuation systems employing dispersion controlled polymers
US6144780A (en) * 1998-10-05 2000-11-07 Lucent Technologies Inc. Polymer waveguide switch and method
DE19935439A1 (de) * 1999-07-28 2001-02-15 Siemens Ag Sensorleitung
DE10111640A1 (de) 2001-03-10 2002-10-02 Airbus Gmbh Verfahren zur Ermittlung und Meldung von Überhitzungen und Feuern in einem Flugzeug
US7077566B2 (en) * 2003-12-11 2006-07-18 General Electric Company Methods and apparatus for temperature measurement and control in electromagnetic coils
US20090067776A1 (en) * 2007-09-11 2009-03-12 Schlumberger Technology Corporation Optical fibers
JP5353262B2 (ja) * 2008-04-02 2013-11-27 富士通株式会社 温度計測方法、温度制御システム、風量測定装置及び発熱量測定装置
US8303176B2 (en) * 2010-05-11 2012-11-06 Vladimir Kochergin Cryogenic fiber optic temperature sensor and method of manufacturing the same
GB2518190B (en) * 2013-09-12 2018-06-06 Buddi Ltd Tag including a thermo-chromic optical fibre
US9964698B1 (en) * 2016-10-28 2018-05-08 The Boeing Company Multicore optical fiber cable strain enhancement
DE102018117979A1 (de) * 2018-07-25 2020-01-30 Brugg Rohr Ag Holding Doppelwandiges Leitungsrohr sowie ein Lichtwellenleiter für ein solches Leitungsrohr

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417782A (en) * 1980-03-31 1983-11-29 Raychem Corporation Fiber optic temperature sensing
JPS57111424A (en) * 1980-12-29 1982-07-10 Fujitsu Ltd Optical temperature detector
US4463254A (en) * 1981-08-27 1984-07-31 Trw Inc. Microbending of optical fibers for remote force measurement
JPS5950676A (ja) * 1982-09-17 1984-03-23 Hitachi Ltd 可変速再生用ビデオテ−プレコ−ダ
GB8311256D0 (en) * 1983-04-26 1983-06-02 Central Electr Generat Board Measuring external parameter
JPS59203929A (ja) * 1983-05-06 1984-11-19 Sumitomo Electric Ind Ltd 光ファイバ用感温収縮部材
US4729627A (en) * 1983-08-15 1988-03-08 Sumitomo Electric Industries, Ltd. Optical fiber cable for detecting low temperature
SE443656B (sv) * 1984-07-20 1986-03-03 Ericsson Telefon Ab L M Mikrobojkenslig optisk fiberkabel
GB2170593B (en) * 1985-02-01 1988-09-14 Central Electr Generat Board Temperature measurement
JPS6269131A (ja) * 1985-09-24 1987-03-30 Fujikura Ltd 光フアイバ温度センサ
JPS6269132A (ja) * 1985-09-24 1987-03-30 Fujikura Ltd 光フアイバ温度センサ

Also Published As

Publication number Publication date
SE8903229L (sv) 1991-04-03
NO921270L (no) 1992-05-19
DK0494930T3 (da) 1996-01-22
ES2080839T3 (es) 1996-02-16
JPH03132604A (ja) 1991-06-06
SE468229B (sv) 1992-11-23
US5251274A (en) 1993-10-05
EP0421967A1 (de) 1991-04-10
WO1991005230A1 (en) 1991-04-18
DE69024224D1 (de) 1996-01-25
EP0494930A1 (de) 1992-07-22
JP3061407B2 (ja) 2000-07-10
AU6522990A (en) 1991-04-28
EP0494930B1 (de) 1995-12-13
DE69024224T2 (de) 1996-05-02
NO921270D0 (no) 1992-04-01
SE8903229D0 (sv) 1989-10-02

Similar Documents

Publication Publication Date Title
ATE131607T1 (de) Optisches faserkabel zur bestimmung von temperaturänderungen
KR890005544A (ko) 코팅된 광도파관 파이버
CA2096182A1 (en) Mode Field Diameter Conversion Fiber
GB2261507A (en) Distributed fiber optic sensor using clad material light backscattering
SE7807199L (sv) Fiberoptisk temperaturgivare
ATE67853T1 (de) Biologische nachweisvorrichtung.
DE3584991D1 (de) Optische fiber mit festgelegter polarisationsrichtung und verfahren.
CA2130429A1 (en) Optical Sensor Displacement Monitor
SE7903175L (sv) Fiberoptiskt metdon
DE68920138D1 (de) Sensor für den brechungsindex aus optischen fasern unter verwendung einer metallbeschichtung.
ATE169113T1 (de) Optische faser für spektroskopischen nachweis
FR2597971B1 (fr) Capteur a fibre optique
ATE58238T1 (de) Optischer fasersensor mit mikrowindungen.
NO771829L (no) Vandig appretur for glassfibre samt dermed oppn}dde fibre
IT7926284A0 (it) Procedimento di costruzione di preforme e fibre ottiche ad alta resistenza.
FI922669A0 (fi) Optisk fiber foerpackad i plast.
EP0226020A3 (de) Synthetische optische Fasern und zur Herstellung derselben angewandtes transparantes Harz
ES470963A1 (es) Una fibra optica de vidrio con resistencia a la traccion me-jorada y un metodo para la fabricacion de dicha fibra optica
KR920016363A (ko) 광파이버용 유리모재의 제조방법
ATE107778T1 (de) Methode und vorrichtung zum nachweis einer spannung.
NO934409L (no) Glassfiberarmerte cykloolefinpolymermateriale og en fremgangsmåte for fremstilling derav
Bariain et al. Experimental results toward development of humidity sensors by using a hygroscopic material on biconically tapered optical fiber
DE3851426D1 (de) Lichtwellenleiter.
DE3066520D1 (en) Method of determining the refractive index profile of an optical fibre
DE3785520D1 (de) Kunststoff-beschichtungszusammensetzung fuer eine optische silica- oder glaskernfaser und so erhaltene optische silica- oder glaskernfaser.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee