WO2001036946A8 - Sensor assembly - Google Patents

Sensor assembly

Info

Publication number
WO2001036946A8
WO2001036946A8 PCT/GB2000/004298 GB0004298W WO0136946A8 WO 2001036946 A8 WO2001036946 A8 WO 2001036946A8 GB 0004298 W GB0004298 W GB 0004298W WO 0136946 A8 WO0136946 A8 WO 0136946A8
Authority
WO
WIPO (PCT)
Prior art keywords
sensor assembly
changes
introduction
dimension
physical
Prior art date
Application number
PCT/GB2000/004298
Other languages
French (fr)
Other versions
WO2001036946A1 (en
Inventor
Graham Cross
Neville John Freeman
Marcus Swann
Original Assignee
Farfield Sensors Ltd
Graham Cross
Neville John Freeman
Marcus Swann
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 Sensors Ltd, Graham Cross, Neville John Freeman, Marcus Swann filed Critical Farfield Sensors Ltd
Priority to US10/204,853 priority Critical patent/US7050176B1/en
Priority to JP2001538784A priority patent/JP2003515127A/en
Priority to AU12890/01A priority patent/AU1289001A/en
Priority to EP00974671A priority patent/EP1230536A1/en
Publication of WO2001036946A1 publication Critical patent/WO2001036946A1/en
Publication of WO2001036946A8 publication Critical patent/WO2001036946A8/en

Links

Classifications

    • 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
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • 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
    • G01N2021/458—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods using interferential sensor, e.g. sensor fibre, possibly on optical waveguide
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N2021/7706—Reagent provision
    • G01N2021/7709—Distributed reagent, e.g. over length of guide
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7779—Measurement method of reaction-produced change in sensor interferometric

Abstract

The present invention relates to a sensor assembly and method for measuring changes in dimension and/or composition of a sensor component (and associated factors) caused by the introduction of or changes in a chemical, physical or biological stimulus in a localised environment.
PCT/GB2000/004298 1999-11-18 2000-11-10 Sensor assembly WO2001036946A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US10/204,853 US7050176B1 (en) 1999-11-18 2000-11-10 Sensor assembly
JP2001538784A JP2003515127A (en) 1999-11-18 2000-11-10 Sensor assembly
AU12890/01A AU1289001A (en) 1999-11-18 2000-11-10 Sensor assembly
EP00974671A EP1230536A1 (en) 1999-11-18 2000-11-10 Sensor assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9927248.6 1999-11-18
GBGB9927248.6A GB9927248D0 (en) 1999-11-18 1999-11-18 Sensor device

Publications (2)

Publication Number Publication Date
WO2001036946A1 WO2001036946A1 (en) 2001-05-25
WO2001036946A8 true WO2001036946A8 (en) 2001-10-18

Family

ID=10864716

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/GB2000/004298 WO2001036946A1 (en) 1999-11-18 2000-11-10 Sensor assembly
PCT/GB2000/004401 WO2001036947A1 (en) 1999-11-18 2000-11-20 Sensor assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/004401 WO2001036947A1 (en) 1999-11-18 2000-11-20 Sensor assembly

Country Status (6)

Country Link
US (1) US7050176B1 (en)
EP (2) EP1230536A1 (en)
JP (2) JP2003515127A (en)
AU (2) AU1289001A (en)
GB (1) GB9927248D0 (en)
WO (2) WO2001036946A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785432B2 (en) 2001-06-15 2004-08-31 The Regents Of The University Of California Target molecules detection by waveguiding in a photonic silicon membrane
US7333211B2 (en) * 2002-03-14 2008-02-19 Farfield Sensors Limited Method for determining a qualitative characteristic of an interferometric component
GB0225491D0 (en) * 2002-11-01 2002-12-11 Farfield Sensors Ltd Device
US20090147264A1 (en) * 2007-04-30 2009-06-11 The University Of Pittsburgh - Of The Commonwealth System Of Higher Education Label-free, real-time detection system for molecular interaction analysis
ES2334318B2 (en) 2008-09-05 2011-11-28 Universidad Politécnica de Madrid OPTICAL DETECTION SYSTEM FOR BIO-TESTS OF HIGH SENSITIVITY SINMARCADO.
BRPI1008861A2 (en) * 2009-02-04 2016-03-15 Ostendum Holding B V fluid analysis system
JP6706814B2 (en) 2016-03-30 2020-06-10 パナソニックＩｐマネジメント株式会社 Photodetector and photodetection system
EP3911217A4 (en) * 2019-01-16 2022-10-05 MediBeacon Inc. Two piece sensor assembly and method of use

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714346A (en) * 1986-09-22 1987-12-22 Gte Laboratories Incorporated Frequency chirped interferometric displacement sensors and mechanical translation tips therefor
US5132097A (en) * 1987-02-11 1992-07-21 G.D. Research Apparatus for analysis of specific binding complexes
DE3926604A1 (en) 1989-08-11 1991-02-14 Hoechst Ag POLYIMIDE WAVE GUIDE AS OPTICAL SENSORS
US5082629A (en) * 1989-12-29 1992-01-21 The Board Of The University Of Washington Thin-film spectroscopic sensor
EP0455067B1 (en) 1990-05-03 2003-02-26 F. Hoffmann-La Roche Ag Micro-optical sensor
GB2248497B (en) 1990-09-26 1994-05-25 Marconi Gec Ltd An optical sensor

Also Published As

Publication number Publication date
EP1230536A1 (en) 2002-08-14
WO2001036947A1 (en) 2001-05-25
JP2003515128A (en) 2003-04-22
AU1289001A (en) 2001-05-30
GB9927248D0 (en) 2000-01-12
US7050176B1 (en) 2006-05-23
EP1230537A1 (en) 2002-08-14
AU1406401A (en) 2001-05-30
JP2003515127A (en) 2003-04-22
WO2001036946A1 (en) 2001-05-25

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