DE69836380D1 - Wellenlängenmesssystem - Google Patents

Wellenlängenmesssystem

Info

Publication number
DE69836380D1
DE69836380D1 DE69836380T DE69836380T DE69836380D1 DE 69836380 D1 DE69836380 D1 DE 69836380D1 DE 69836380 T DE69836380 T DE 69836380T DE 69836380 T DE69836380 T DE 69836380T DE 69836380 D1 DE69836380 D1 DE 69836380D1
Authority
DE
Germany
Prior art keywords
light
wavelength
measuring
measuring system
wavelength measuring
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
DE69836380T
Other languages
English (en)
Other versions
DE69836380T2 (de
Inventor
Mahmoud Farhadiroushan
Richard Parker
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.)
Sensornet Ltd
Original Assignee
Sensornet Ltd
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 Sensornet Ltd filed Critical Sensornet Ltd
Publication of DE69836380D1 publication Critical patent/DE69836380D1/de
Application granted granted Critical
Publication of DE69836380T2 publication Critical patent/DE69836380T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J9/0246—Measuring optical wavelength

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Lasers (AREA)
  • Spectrometry And Color Measurement (AREA)
DE69836380T 1997-07-22 1998-07-22 Wellenlängenmesssystem Expired - Lifetime DE69836380T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9715289A GB9715289D0 (en) 1997-07-22 1997-07-22 Wavelength measuring system
GB9715289 1997-07-22
PCT/GB1998/002185 WO1999005491A1 (en) 1997-07-22 1998-07-22 Wavelength measuring system

Publications (2)

Publication Number Publication Date
DE69836380D1 true DE69836380D1 (de) 2006-12-21
DE69836380T2 DE69836380T2 (de) 2007-03-01

Family

ID=10816160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836380T Expired - Lifetime DE69836380T2 (de) 1997-07-22 1998-07-22 Wellenlängenmesssystem

Country Status (8)

Country Link
US (1) US6417926B1 (de)
EP (1) EP0998662B1 (de)
JP (1) JP2002509612A (de)
AT (1) ATE344922T1 (de)
CA (1) CA2295780C (de)
DE (1) DE69836380T2 (de)
GB (1) GB9715289D0 (de)
WO (1) WO1999005491A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7920262B2 (en) * 2008-09-17 2011-04-05 The United States Of America As Represented By The Secretary Of The Army Systems for measuring backscattered light using rotating mirror
GB201019117D0 (en) * 2010-11-11 2010-12-29 Fotech Solutions Ltd Distributed optical fibre sensor
GB2490497A (en) * 2011-05-03 2012-11-07 Waterford Inst Technology A stationary waveguide spectrum analyser
JP6718837B2 (ja) * 2016-04-01 2020-07-08 スカイワークスフィルターソリューションズジャパン株式会社 電子部品とその製造方法、及び電子装置とその製造方法
JP6602443B2 (ja) * 2018-11-13 2019-11-06 株式会社フジクラ 検出方法及び検出装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI74371C (fi) * 1982-06-04 1988-01-11 British Telecomm Optisk oeverfoering.
ES2045933T3 (es) * 1989-06-22 1994-01-16 British Telecomm Reflectometria optica de dominio temporal.
US5272334A (en) * 1991-10-17 1993-12-21 Kabushiki Kaisha Toshiba Device for detecting a temperature distribution having a laser source with temperature and wavelength adjusting means
EP0681172B1 (de) * 1994-05-06 1999-12-22 Nippon Telegraph And Telephone Corporation Verfahren und Apparat zur Messung der Wellenlängen mit Null-Dispersion in einer optischen Faser
EP0715377A3 (de) * 1994-11-30 1997-09-10 Whitaker Corp Abstimmbarer Ringlaser mit Polarisationskontrolle
JP3334480B2 (ja) * 1995-07-07 2002-10-15 日本電信電話株式会社 光ファイバ伝送特性測定装置および測定方法
GB9626099D0 (en) * 1996-12-16 1997-02-05 King S College London Distributed strain and temperature measuring system

Also Published As

Publication number Publication date
DE69836380T2 (de) 2007-03-01
WO1999005491A1 (en) 1999-02-04
ATE344922T1 (de) 2006-11-15
CA2295780C (en) 2007-06-19
EP0998662A1 (de) 2000-05-10
GB9715289D0 (en) 1997-09-24
EP0998662B1 (de) 2006-11-08
US6417926B1 (en) 2002-07-09
CA2295780A1 (en) 1999-02-04
JP2002509612A (ja) 2002-03-26

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Legal Events

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