CA2392569A1 - Fiber bragg grating reference sensor for precise reference temperature measurement - Google Patents

Fiber bragg grating reference sensor for precise reference temperature measurement Download PDF

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Publication number
CA2392569A1
CA2392569A1 CA002392569A CA2392569A CA2392569A1 CA 2392569 A1 CA2392569 A1 CA 2392569A1 CA 002392569 A CA002392569 A CA 002392569A CA 2392569 A CA2392569 A CA 2392569A CA 2392569 A1 CA2392569 A1 CA 2392569A1
Authority
CA
Canada
Prior art keywords
bragg grating
fiber bragg
glass element
thermal expansion
coefficient
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002392569A
Other languages
French (fr)
Other versions
CA2392569C (en
Inventor
Michael A. Davis
David R. Fournier
Richard T. Jones
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weatherford Technology Holdings LLC
Original Assignee
Cidra Corporation
Michael A. Davis
David R. Fournier
Richard T. Jones
Weatherford/Lamb, Inc.
Weatherford Technology Holdings, Llc
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 Cidra Corporation, Michael A. Davis, David R. Fournier, Richard T. Jones, Weatherford/Lamb, Inc., Weatherford Technology Holdings, Llc filed Critical Cidra Corporation
Publication of CA2392569A1 publication Critical patent/CA2392569A1/en
Application granted granted Critical
Publication of CA2392569C publication Critical patent/CA2392569C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/20Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32Measuring 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

Abstract

A fiber Bragg grating reference module provides a precise temperature reference for a temperature probe, including a thermistor, located in close proximity thereto, and includes an optical fiber having a fiber Bragg grating therein, a glass element and a reference housing. The fiber Bragg grating has two ends and with a coefficient of thermal expansion. The glass element anchors the two ends of the fiber Bragg grating, and has a substantially similar coefficient of thermal expansion as the coefficient of thermal expansion of the fiber Bragg grating to ensure that the glass element does not substantially induce strain on the fiber Bragg grating as the ambient temperature changes. The reference housing has a cavity and also has a means for receiving and affixing one end of the fiber Bragg grating and for suspending the fiber Bragg grating in the cavity leaving the other end of the fiber Bragg grating free to move as the ambient temperature changes without inducing strain in the fiber Bragg grating. The glass element includes a glass tube collapsed over the entire length of the fiber Bragg grating.
CA002392569A 1999-11-23 2000-11-20 Fiber bragg grating reference sensor for precise reference temperature measurement Expired - Fee Related CA2392569C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/448,367 US6462329B1 (en) 1999-11-23 1999-11-23 Fiber bragg grating reference sensor for precise reference temperature measurement
US09/448,367 1999-11-23
PCT/US2000/031717 WO2001038838A2 (en) 1999-11-23 2000-11-20 Fiber bragg grating reference sensor for precise reference temperature measurement

Publications (2)

Publication Number Publication Date
CA2392569A1 true CA2392569A1 (en) 2001-05-31
CA2392569C CA2392569C (en) 2008-11-18

Family

ID=23780033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002392569A Expired - Fee Related CA2392569C (en) 1999-11-23 2000-11-20 Fiber bragg grating reference sensor for precise reference temperature measurement

Country Status (7)

Country Link
US (1) US6462329B1 (en)
EP (1) EP1247080B1 (en)
AU (1) AU777303B2 (en)
CA (1) CA2392569C (en)
DE (1) DE60033438D1 (en)
NO (1) NO326938B1 (en)
WO (1) WO2001038838A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110109141A (en) * 2018-02-01 2019-08-09 罗伯特·博世有限公司 Laser radar system and control system for motor vehicle

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WO2012041528A1 (en) * 2010-09-29 2012-04-05 Siemens Aktiengesellschaft Arrangement for determining a physical quantity for monitoring a device and system for monitoring a physical quantity
US9683902B2 (en) * 2013-01-17 2017-06-20 Baker Hughes Incorporated Temperature sensing arrangement, method of making the same and method of sensing temperature
WO2015069623A1 (en) * 2013-11-08 2015-05-14 United Technologies Corporation Fiber grating temperature sensor
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US9964698B1 (en) * 2016-10-28 2018-05-08 The Boeing Company Multicore optical fiber cable strain enhancement

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110109141A (en) * 2018-02-01 2019-08-09 罗伯特·博世有限公司 Laser radar system and control system for motor vehicle

Also Published As

Publication number Publication date
US6462329B1 (en) 2002-10-08
CA2392569C (en) 2008-11-18
NO20022417L (en) 2002-07-16
EP1247080A2 (en) 2002-10-09
DE60033438D1 (en) 2007-03-29
NO20022417D0 (en) 2002-05-22
AU777303B2 (en) 2004-10-07
NO326938B1 (en) 2009-03-16
WO2001038838A9 (en) 2002-07-04
AU2905501A (en) 2001-06-04
WO2001038838A3 (en) 2001-11-01
WO2001038838A2 (en) 2001-05-31
EP1247080B1 (en) 2007-02-14

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Effective date: 20171120