ATE250221T1 - Chemischer sensor - Google Patents

Chemischer sensor

Info

Publication number
ATE250221T1
ATE250221T1 AT97912316T AT97912316T ATE250221T1 AT E250221 T1 ATE250221 T1 AT E250221T1 AT 97912316 T AT97912316 T AT 97912316T AT 97912316 T AT97912316 T AT 97912316T AT E250221 T1 ATE250221 T1 AT E250221T1
Authority
AT
Austria
Prior art keywords
chemical sensor
wave
guides
wave guide
substrate
Prior art date
Application number
AT97912316T
Other languages
English (en)
Inventor
Neville John Freeman
Graham Hugh Cross
Original Assignee
Farfield Sensors 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
Priority claimed from GBGB9624010.6A external-priority patent/GB9624010D0/en
Priority claimed from GBGB9625484.2A external-priority patent/GB9625484D0/en
Priority claimed from GBGB9705482.9A external-priority patent/GB9705482D0/en
Application filed by Farfield Sensors Ltd filed Critical Farfield Sensors Ltd
Application granted granted Critical
Publication of ATE250221T1 publication Critical patent/ATE250221T1/de

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
    • G01N21/75—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
AT97912316T 1996-11-19 1997-11-19 Chemischer sensor ATE250221T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9624010.6A GB9624010D0 (en) 1996-11-19 1996-11-19 An enhanced chemical sensing system
GBGB9625484.2A GB9625484D0 (en) 1996-12-07 1996-12-07 A new chemical sensor device
GBGB9705482.9A GB9705482D0 (en) 1996-12-07 1997-03-17 An enhanced chemical sensor device
PCT/GB1997/003093 WO1998022807A1 (en) 1996-11-19 1997-11-19 A chemical sensor

Publications (1)

Publication Number Publication Date
ATE250221T1 true ATE250221T1 (de) 2003-10-15

Family

ID=27268591

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97912316T ATE250221T1 (de) 1996-11-19 1997-11-19 Chemischer sensor

Country Status (7)

Country Link
US (1) US6335793B1 (de)
EP (1) EP0939897B1 (de)
JP (1) JP3910217B2 (de)
AT (1) ATE250221T1 (de)
DE (1) DE69724990T2 (de)
DK (1) DK0939897T3 (de)
WO (1) WO1998022807A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9903283D0 (en) * 1998-06-01 1999-04-07 Farfield Sensors Ltd Device
US6320991B1 (en) 1998-10-16 2001-11-20 Imation Corp. Optical sensor having dielectric film stack
US6701032B1 (en) 1999-05-27 2004-03-02 Farfield Sensors Limited Device for housing a planar optical component
GB9927249D0 (en) * 1999-11-18 2000-01-12 Farfield Sensors Ltd Device
US6545759B1 (en) 1999-11-30 2003-04-08 Nile F. Hartman Transverse integrated optic interferometer
JP2004506893A (ja) * 2000-08-14 2004-03-04 ファーフィールド・センサーズ・リミテッド センサ装置
US20020037025A1 (en) * 2000-09-25 2002-03-28 Bartman Randall K. Hybrid narrow -linewidth semiconductor lasers
GB0112046D0 (en) * 2001-05-17 2001-07-11 Farfield Sensors Ltd System
EP1415139B1 (de) * 2001-05-18 2013-06-12 Farfield Group Limited Verfahren zur bestimmung eines die masse ändernden ereignisses
US7440110B2 (en) * 2001-10-19 2008-10-21 Invivosense Asa Optical sensing of measurands
US7602498B2 (en) * 2001-10-19 2009-10-13 Invivosense Asa Optical sensing of measurands
AU2003226490A1 (en) 2002-03-14 2003-09-29 Farfield Sensors Limited Method for determining a qualitative characteristic of an interferometric component
GB0206011D0 (en) * 2002-03-14 2002-04-24 Farfield Sensors Ltd Polarimetery
GB0206008D0 (en) * 2002-03-14 2002-04-24 Farfield Sensors Ltd Optical interferometer
GB0225491D0 (en) * 2002-11-01 2002-12-11 Farfield Sensors Ltd Device
WO2005052644A2 (en) * 2003-11-21 2005-06-09 Perkinelmer Las, Inc. Optical device integrated with well
US7271885B2 (en) * 2004-03-25 2007-09-18 Perkinelmer Las, Inc. Plasmon resonance measuring method and apparatus
DE102004045902B4 (de) * 2004-09-22 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Messung der Lichtabsorption
US9528939B2 (en) 2006-03-10 2016-12-27 Indx Lifecare, Inc. Waveguide-based optical scanning systems
US8288157B2 (en) * 2007-09-12 2012-10-16 Plc Diagnostics, Inc. Waveguide-based optical scanning systems
US9976192B2 (en) 2006-03-10 2018-05-22 Ldip, Llc Waveguide-based detection system with scanning light source
US9423397B2 (en) 2006-03-10 2016-08-23 Indx Lifecare, Inc. Waveguide-based detection system with scanning light source
KR100723429B1 (ko) * 2006-07-31 2007-05-30 삼성전자주식회사 금속 리간드와 탄소나노튜브를 이용한 가스 센서의제조방법
KR100754410B1 (ko) * 2006-08-31 2007-08-31 삼성전자주식회사 가스 센서의 제조방법
DE102006042807A1 (de) * 2006-09-08 2008-03-27 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Messanordnung mit großer Messbereichsdynamik
US8325347B2 (en) 2007-03-13 2012-12-04 Creoptix Gmbh Integrated optical sensor
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
JP2009036516A (ja) * 2007-07-31 2009-02-19 Hitachi-Ge Nuclear Energy Ltd ガイド波を用いた非破壊検査装置及び非破壊検査方法
GB2461026B (en) * 2008-06-16 2011-03-09 Plc Diagnostics Inc System and method for nucleic acids sequencing by phased synthesis
EP2394155A1 (de) * 2009-02-04 2011-12-14 Ostendum Holding B.V. System zur analyse einer flüssigkeit
EP2425286B1 (de) * 2009-04-29 2020-06-24 Ldip, Llc Auf wellenleitern basierendes detektionssystem mit abtastlichtquelle
NL2003743C2 (en) * 2009-11-02 2011-04-06 Ostendum Holding B V Method for detection of an analyte in a fluid sample.
US10018566B2 (en) 2014-02-28 2018-07-10 Ldip, Llc Partially encapsulated waveguide based sensing chips, systems and methods of use
WO2016138427A1 (en) 2015-02-27 2016-09-01 Indx Lifecare, Inc. Waveguide-based detection system with scanning light source
FR3118172B1 (fr) * 2020-12-21 2023-12-29 Commissariat Energie Atomique Composant optique pour un dispositif d’imagerie atr
FR3118160B1 (fr) 2020-12-21 2023-12-08 Commissariat Energie Atomique Composant optique pour un dispositif d’imagerie interférométrique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3814844A1 (de) * 1988-05-02 1989-11-16 Iot Entwicklungsgesellschaft F Verfahren und vorrichtung zur bestimmung der brechzahl n einer substanz
US4940328A (en) * 1988-11-04 1990-07-10 Georgia Tech Research Corporation Optical sensing apparatus and method
US5377008A (en) * 1990-09-20 1994-12-27 Battelle Memorial Institute Integrated optical compensating refractometer apparatus
DE4033357A1 (de) 1990-10-19 1992-04-23 Iot Entwicklungsgesellschaft F Sensor zum stoffnachweis
DE4419586A1 (de) * 1994-06-03 1995-12-07 Jenoptik Jena Gmbh Integriert-optischer Sensor zur Analyse von Stoffen in flüssiger Phase
FR2726097B1 (fr) 1994-10-25 1996-11-15 Commissariat Energie Atomique Cellule electro-optique a mode transverse electrique pour un modulateur et procede de realisation d'une telle cellule
US5623561A (en) 1995-09-29 1997-04-22 Georgia Tech Research Corporation Integrated optic interferometric sensor

Also Published As

Publication number Publication date
WO1998022807A1 (en) 1998-05-28
EP0939897A1 (de) 1999-09-08
JP2001504231A (ja) 2001-03-27
EP0939897B1 (de) 2003-09-17
JP3910217B2 (ja) 2007-04-25
US6335793B1 (en) 2002-01-01
DK0939897T3 (da) 2004-01-26
DE69724990D1 (de) 2003-10-23
DE69724990T2 (de) 2004-07-22

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