ATE322676T1 - Integriert-optischer interferometrischer sensor - Google Patents

Integriert-optischer interferometrischer sensor

Info

Publication number
ATE322676T1
ATE322676T1 AT01123875T AT01123875T ATE322676T1 AT E322676 T1 ATE322676 T1 AT E322676T1 AT 01123875 T AT01123875 T AT 01123875T AT 01123875 T AT01123875 T AT 01123875T AT E322676 T1 ATE322676 T1 AT E322676T1
Authority
AT
Austria
Prior art keywords
output
signal regions
output beams
regions
signal
Prior art date
Application number
AT01123875T
Other languages
English (en)
Inventor
Nile F Hartman
Original Assignee
Georgia Tech Res Inst
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 Georgia Tech Res Inst filed Critical Georgia Tech Res Inst
Application granted granted Critical
Publication of ATE322676T1 publication Critical patent/ATE322676T1/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
    • G01N21/17—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
    • 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
    • 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
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7776—Index
    • 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
    • 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
    • G01N2021/7793—Sensor comprising plural indicators

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Engineering & Computer Science (AREA)
  • Optical Integrated Circuits (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Gyroscopes (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Light Receiving Elements (AREA)
AT01123875T 1995-09-29 1996-09-27 Integriert-optischer interferometrischer sensor ATE322676T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/535,569 US5623561A (en) 1995-09-29 1995-09-29 Integrated optic interferometric sensor

Publications (1)

Publication Number Publication Date
ATE322676T1 true ATE322676T1 (de) 2006-04-15

Family

ID=24134795

Family Applications (2)

Application Number Title Priority Date Filing Date
AT01123875T ATE322676T1 (de) 1995-09-29 1996-09-27 Integriert-optischer interferometrischer sensor
AT96936020T ATE217081T1 (de) 1995-09-29 1996-09-27 Integriert-optischer,interferometrischer sensor

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT96936020T ATE217081T1 (de) 1995-09-29 1996-09-27 Integriert-optischer,interferometrischer sensor

Country Status (11)

Country Link
US (1) US5623561A (de)
EP (2) EP1182445B1 (de)
JP (2) JPH11505023A (de)
AT (2) ATE322676T1 (de)
AU (1) AU7377096A (de)
CA (1) CA2233305C (de)
DE (2) DE69621031T2 (de)
DK (1) DK0852715T3 (de)
ES (1) ES2172683T3 (de)
PT (1) PT852715E (de)
WO (1) WO1997012225A1 (de)

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DE19732619C2 (de) * 1997-07-29 1999-08-19 Fraunhofer Ges Forschung Optische Detektoreinrichtung
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DE102004045902B4 (de) * 2004-09-22 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Messung der Lichtabsorption
US20090065370A1 (en) * 2004-12-28 2009-03-12 Nair Balakrishnan G Ammonia gas sensor method and device
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Also Published As

Publication number Publication date
EP1182445A3 (de) 2003-01-15
ATE217081T1 (de) 2002-05-15
DE69621031D1 (de) 2002-06-06
JPH11505023A (ja) 1999-05-11
WO1997012225A1 (en) 1997-04-03
ES2172683T3 (es) 2002-10-01
CA2233305C (en) 2004-06-29
EP0852715B1 (de) 2002-05-02
EP1182445B1 (de) 2006-04-05
DK0852715T3 (da) 2002-08-19
DE69636019D1 (de) 2006-05-18
EP0852715A1 (de) 1998-07-15
PT852715E (pt) 2002-10-31
US5623561A (en) 1997-04-22
JP2003121675A (ja) 2003-04-23
EP1182445A2 (de) 2002-02-27
DE69636019T2 (de) 2007-03-29
JP3924211B2 (ja) 2007-06-06
DE69621031T2 (de) 2002-08-22
CA2233305A1 (en) 1997-04-03
AU7377096A (en) 1997-04-17

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