DE60140696D1 - Verfahren und apparat zum erfassen von rissen und bruchstellen unter verwendung von bragg-gittern - Google Patents

Verfahren und apparat zum erfassen von rissen und bruchstellen unter verwendung von bragg-gittern

Info

Publication number
DE60140696D1
DE60140696D1 DE60140696T DE60140696T DE60140696D1 DE 60140696 D1 DE60140696 D1 DE 60140696D1 DE 60140696 T DE60140696 T DE 60140696T DE 60140696 T DE60140696 T DE 60140696T DE 60140696 D1 DE60140696 D1 DE 60140696D1
Authority
DE
Germany
Prior art keywords
crack
cracks
detecting
methods
bragg
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.)
Expired - Lifetime
Application number
DE60140696T
Other languages
English (en)
Inventor
Robert Patrick Kenny
Maurice Patrick Whelan
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.)
European Union Brussels Be
Original Assignee
EUROPEAN COMMUNITY
European Economic Community
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 EUROPEAN COMMUNITY, European Economic Community filed Critical EUROPEAN COMMUNITY
Application granted granted Critical
Publication of DE60140696D1 publication Critical patent/DE60140696D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Crushing And Grinding (AREA)
DE60140696T 2000-12-22 2001-12-19 Verfahren und apparat zum erfassen von rissen und bruchstellen unter verwendung von bragg-gittern Expired - Lifetime DE60140696D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0031646.3A GB0031646D0 (en) 2000-12-22 2000-12-22 Method and apparatus for crack and fracture detection utilizing bragg gratings
PCT/IB2001/002806 WO2002052242A2 (en) 2000-12-22 2001-12-19 Method and apparatus for crack and fracture detection utilizing bragg gratings

Publications (1)

Publication Number Publication Date
DE60140696D1 true DE60140696D1 (de) 2010-01-14

Family

ID=9905893

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60140696T Expired - Lifetime DE60140696D1 (de) 2000-12-22 2001-12-19 Verfahren und apparat zum erfassen von rissen und bruchstellen unter verwendung von bragg-gittern

Country Status (10)

Country Link
US (1) US20040222364A1 (de)
EP (1) EP1350084B1 (de)
JP (1) JP2004518114A (de)
AT (1) ATE450787T1 (de)
CA (1) CA2432923A1 (de)
DE (1) DE60140696D1 (de)
ES (1) ES2337555T3 (de)
GB (1) GB0031646D0 (de)
NO (1) NO20032817L (de)
WO (1) WO2002052242A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7003758B2 (en) * 2003-10-07 2006-02-21 Brion Technologies, Inc. System and method for lithography simulation
US20050232627A1 (en) * 2004-04-20 2005-10-20 Fengguo Sun Method and apparatus for optical performance monitoring
JP2006215649A (ja) * 2005-02-01 2006-08-17 Mitsubishi Electric Corp ブラッグ格子センサの検出方法、その歪量検出方法及びその検出装置
GB2430760A (en) * 2005-09-29 2007-04-04 Bookham Technology Plc Chirped Bragg grating structure
JP4878013B2 (ja) * 2007-08-27 2012-02-15 国立大学法人 東京大学 亀裂発生位置の検出方法
NL1038312C2 (nl) 2010-10-16 2012-04-17 Stinis Beheer Bv Werkwijze en inrichting voor het detecteren van scheurvorming in een hijsorgaan.
US8576392B2 (en) 2011-02-09 2013-11-05 Siemens Energy, Inc. Multiplexed optical fiber crack sensor
US8790074B2 (en) * 2011-02-09 2014-07-29 Siemens Energy, Inc. Multiplexed optical fiber wear sensor
ES2397024B1 (es) * 2011-03-18 2014-07-23 Telefónica, S.A. Método y sistema para la monitorización de capa física en redes ópticas pasivas
DE102011112228A1 (de) 2011-09-01 2013-03-07 Martin Wolf Verfahren zur Rissprüfung
EP2825839B1 (de) * 2012-03-16 2021-05-12 Koninklijke Philips N.V. Optisches sensorsystem zur bestimmung der position und/oder form eines assoziierten objekts
GB201503861D0 (en) * 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
JP2021522467A (ja) 2018-04-18 2021-08-30 ゼノン・コーポレイションＸｅｎｏｎ Ｃｏｒｐｏｒａｔｉｏｎ Ｕｖ透過性ウィンドウの保護
CN108952698B (zh) * 2018-07-10 2020-06-30 中国石油大学(北京) 裂缝剪切滑移量测量方法
GB2608145A (en) * 2021-06-23 2022-12-28 Airbus Operations Ltd Optical sensing system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996419A (en) * 1989-12-26 1991-02-26 United Technologies Corporation Distributed multiplexed optical fiber Bragg grating sensor arrangeement
US5142141A (en) * 1990-09-19 1992-08-25 The Boeing Company Crack growth measurement network with primary and shunt optical fibers
GB9317576D0 (en) * 1993-08-24 1993-10-06 British Aerospace Fibre optic damage detection system
DK0713077T3 (da) * 1994-11-17 2000-06-13 Cit Alcatel Fremgangsmåde til detektering og/eller måling af fysiske størrelser under anvendelse af en distribueret føler
US5828059A (en) * 1996-09-09 1998-10-27 Udd; Eric Transverse strain measurements using fiber optic grating based sensors
US5973317A (en) * 1997-05-09 1999-10-26 Cidra Corporation Washer having fiber optic Bragg Grating sensors for sensing a shoulder load between components in a drill string

Also Published As

Publication number Publication date
GB0031646D0 (en) 2001-02-07
WO2002052242A2 (en) 2002-07-04
NO20032817L (no) 2003-08-21
CA2432923A1 (en) 2002-07-04
ATE450787T1 (de) 2009-12-15
EP1350084A2 (de) 2003-10-08
NO20032817D0 (no) 2003-06-19
JP2004518114A (ja) 2004-06-17
US20040222364A1 (en) 2004-11-11
ES2337555T3 (es) 2010-04-27
WO2002052242A3 (en) 2002-09-19
EP1350084B1 (de) 2009-12-02

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Legal Events

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8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: EUROPEAN UNION, BRUSSELS, BE