DE60318554D1 - Optisches interferometer - Google Patents

Optisches interferometer

Info

Publication number
DE60318554D1
DE60318554D1 DE60318554T DE60318554T DE60318554D1 DE 60318554 D1 DE60318554 D1 DE 60318554D1 DE 60318554 T DE60318554 T DE 60318554T DE 60318554 T DE60318554 T DE 60318554T DE 60318554 D1 DE60318554 D1 DE 60318554D1
Authority
DE
Germany
Prior art keywords
localised environment
stimulus
interest
introduction
determining
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
DE60318554T
Other languages
English (en)
Inventor
Neville J Freeman
Graham Cross
Gerard A Ronan
Marcus Swann
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.)
FARFIELD GROUP Ltd
Original Assignee
FARFIELD GROUP 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 FARFIELD GROUP Ltd filed Critical FARFIELD GROUP Ltd
Application granted granted Critical
Publication of DE60318554D1 publication Critical patent/DE60318554D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35303—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Glass Compositions (AREA)
DE60318554T 2002-03-14 2003-03-13 Optisches interferometer Expired - Lifetime DE60318554D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0206008.5A GB0206008D0 (en) 2002-03-14 2002-03-14 Optical interferometer
PCT/GB2003/001059 WO2003078923A1 (en) 2002-03-14 2003-03-13 Optical interferometer

Publications (1)

Publication Number Publication Date
DE60318554D1 true DE60318554D1 (de) 2008-02-21

Family

ID=9932953

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60318554T Expired - Lifetime DE60318554D1 (de) 2002-03-14 2003-03-13 Optisches interferometer

Country Status (8)

Country Link
US (1) US20050162659A1 (de)
EP (1) EP1483547B1 (de)
JP (1) JP2005520143A (de)
AT (1) ATE383564T1 (de)
AU (1) AU2003216804A1 (de)
DE (1) DE60318554D1 (de)
GB (1) GB0206008D0 (de)
WO (1) WO2003078923A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0203581D0 (en) * 2002-02-15 2002-04-03 Farfield Sensors Ltd Sensing system
DE102004059485A1 (de) * 2004-12-10 2006-06-22 Inficon Gmbh Lecksuchgerät
WO2010090514A1 (en) * 2009-02-04 2010-08-12 Ostendum Holding B.V., Et Al System for analysis of a fluid
WO2011157767A1 (en) * 2010-06-17 2011-12-22 Optisense B.V. Integrated optical waveguide evanescent field sensor
EP2400289A1 (de) * 2010-06-17 2011-12-28 Optisense B.V. Integrierter Lichtwellenleiter-Evaneszenzfeldsensor
CN111033234B (zh) * 2017-08-31 2024-04-26 古野电气株式会社 测量装置及测量方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528259A1 (de) * 1985-08-07 1987-02-19 Adolf Friedrich Prof D Fercher Verfahren und anordnung zur interferometrischen laengenmessung mit halbleiterlasern als lichtquelle
DE4314488C2 (de) * 1993-05-03 1997-11-20 Heidenhain Gmbh Dr Johannes Interferometrisches Meßverfahren für Absolutmessungen sowie dafür geeignete Laserinterferometeranordnung
WO1998022807A1 (en) * 1996-11-19 1998-05-28 Farfield Sensors Ltd. A chemical sensor
DE19840523A1 (de) * 1998-01-29 1999-08-12 Hewlett Packard Co Verschiebungsmessungsinterferometer mit Totpfadfehlerkompensation

Also Published As

Publication number Publication date
JP2005520143A (ja) 2005-07-07
WO2003078923A1 (en) 2003-09-25
EP1483547A1 (de) 2004-12-08
AU2003216804A1 (en) 2003-09-29
EP1483547B1 (de) 2008-01-09
GB0206008D0 (en) 2002-04-24
ATE383564T1 (de) 2008-01-15
US20050162659A1 (en) 2005-07-28

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