ES2172683T3 - Sensor interferometrico optico integrado. - Google Patents

Sensor interferometrico optico integrado.

Info

Publication number
ES2172683T3
ES2172683T3 ES96936020T ES96936020T ES2172683T3 ES 2172683 T3 ES2172683 T3 ES 2172683T3 ES 96936020 T ES96936020 T ES 96936020T ES 96936020 T ES96936020 T ES 96936020T ES 2172683 T3 ES2172683 T3 ES 2172683T3
Authority
ES
Spain
Prior art keywords
integrated optical
flat
interferometric sensor
optical interferometric
facility
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
ES96936020T
Other languages
English (en)
Inventor
Nile F Hartman
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.)
Georgia Tech Research Institute
Georgia Tech Research Corp
Original Assignee
Georgia Tech Research Institute
Georgia Tech Research Corp
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 Research Institute, Georgia Tech Research Corp filed Critical Georgia Tech Research Institute
Application granted granted Critical
Publication of ES2172683T3 publication Critical patent/ES2172683T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Light Receiving Elements (AREA)

Abstract

UN DETECTOR OPTICO INTERFEROMETRICO INTEGRADO MEJORADO QUE HACE USO DE UNA GUIA DE ONDAS PLANA PARA OFRECER UNA SENSIBILIDAD DE DETECCION IGUAL AL DETECTOR INTERFEROMETRICO DE MACH-ZEHNDER, AL TIEMPO QUE MANTIENE LAS CARACTERISTICAS DE FACILIDAD DE ACOPLAMIENTO DE ENTRADA Y DE FABRICACION DE UNA GUIA DE ONDAS PLANA. SE PUEDEN CONSEGUIR MEJORAS EN LAS CAPACIDADES DE PROCESAMIENTO DE LAS SEÑALES DE SALIDA MEDIANTE EL USO DE LA MENOS DOS DETECTORES OPTICOS INTERFEROMETRICOS INTEGRADOS QUE TENGAN ESTRUCTURAS PLANAS.
ES96936020T 1995-09-29 1996-09-27 Sensor interferometrico optico integrado. Expired - Lifetime ES2172683T3 (es)

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
ES2172683T3 true ES2172683T3 (es) 2002-10-01

Family

ID=24134795

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96936020T Expired - Lifetime ES2172683T3 (es) 1995-09-29 1996-09-27 Sensor interferometrico optico integrado.

Country Status (11)

Country Link
US (1) US5623561A (es)
EP (2) EP1182445B1 (es)
JP (2) JPH11505023A (es)
AT (2) ATE217081T1 (es)
AU (1) AU7377096A (es)
CA (1) CA2233305C (es)
DE (2) DE69636019T2 (es)
DK (1) DK0852715T3 (es)
ES (1) ES2172683T3 (es)
PT (1) PT852715E (es)
WO (1) WO1997012225A1 (es)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403745B (de) * 1996-02-29 1998-05-25 Avl Verbrennungskraft Messtech Messanordnung mit einem für anregungs- und messstrahlung transparentem trägerelement
AU4207897A (en) * 1996-08-29 1998-03-19 Novartis Ag Optical chemical / biochemical sensor
US6335793B1 (en) 1996-11-19 2002-01-01 Farfield Sensors Limited Planar waveguide chemical sensor
US5991461A (en) * 1996-12-20 1999-11-23 Veeco Corporation Selection process for sequentially combining multiple sets of overlapping surface-profile interferometric data to produce a continuous composite map
EP0887645A1 (en) * 1997-06-23 1998-12-30 C.S.E.M. Centre Suisse D'electronique Et De Microtechnique Sa Procedure and instrumentation for the ultrasensitive detection of prions, prion binding biomolecules and other biomolecules
EP0886141A1 (en) * 1997-06-23 1998-12-23 C.S.E.M. Centre Suisse D'electronique Et De Microtechnique Sa Optical sensor unit and procedure for the ultrasensitive detection of chemical or biochemical analytes
DE19732619C2 (de) * 1997-07-29 1999-08-19 Fraunhofer Ges Forschung Optische Detektoreinrichtung
DE19741335C1 (de) * 1997-09-19 1999-06-10 Bosch Gmbh Robert Sensormembran einer Optode sowie Verfahren, Vorrichtung und deren Verwendung zur Bestimmung von Gasen in Gasgemischen
US7551288B1 (en) 1997-10-28 2009-06-23 Rockwell Automation Technologies, Inc. System for monitoring bearing wear
US6111643A (en) * 1997-10-28 2000-08-29 Reliance Electric Industrial Company Apparatus, system and method for determining wear of an article
US6197503B1 (en) 1997-11-26 2001-03-06 Ut-Battelle, Llc Integrated circuit biochip microsystem containing lens
US6346376B1 (en) * 1998-06-03 2002-02-12 Centre Suisse D'electronique Et De Mictotechnique Sa Optical sensor unit and procedure for the ultrasensitive detection of chemical or biochemical analytes
US6211982B1 (en) 1998-07-29 2001-04-03 Litton Systems, Inc. Remote sensor with waveguide optics telemetry
US6201237B1 (en) 1998-12-18 2001-03-13 Corning Incorporated Fiber optic sensor
DE69933193T2 (de) * 1999-02-25 2007-08-02 C.S.E.M. Centre Suisse D'electronique Et De Microtechnique S.A. Integrierter optischer Sensor und Verfahren zum integrierten optischen Nachweis einer Substanz
AU5121900A (en) * 1999-03-12 2000-09-28 Ut-Battelle, Llc Integrated calorimetric spectrometer
US6545759B1 (en) 1999-11-30 2003-04-08 Nile F. Hartman Transverse integrated optic interferometer
US6330064B1 (en) 2000-03-13 2001-12-11 Satcon Technology Corporation Doubly-differential interferometer and method for evanescent wave surface detection
US6785433B2 (en) 2000-08-09 2004-08-31 Artificial Sensing Instruments Asi Ag Waveguide grid array and optical measurement arrangement
JP2002171998A (ja) * 2000-12-08 2002-06-18 Olympus Optical Co Ltd 核酸増幅反応測定方法及び装置
US8073293B2 (en) * 2002-03-18 2011-12-06 Weatherford, Lamb, Inc. Sensing device having a large diameter D-shaped optical waveguide
US6961484B2 (en) * 2001-05-25 2005-11-01 Intel Corporation Apparatus and methods for stabilization and control of fiber devices and fiber devices including the same
JP2004537721A (ja) * 2001-07-30 2004-12-16 日本板硝子株式会社 光学式液滴検出装置およびそれを用いた制御装置
GB0125195D0 (en) * 2001-10-19 2001-12-12 Optomed As Optical sensing of measurands
US7440110B2 (en) * 2001-10-19 2008-10-21 Invivosense Asa Optical sensing of measurands
US20040081384A1 (en) * 2002-10-25 2004-04-29 Datesman Aaron M. Multiple-mode planar-waveguide sensor, fabrication materials and techniques
DE10314704A1 (de) * 2003-03-31 2004-10-14 Robert Bosch Gmbh Regensensor, insbesondere für ein Kraftfahrzeug
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
US7442555B2 (en) * 2004-12-28 2008-10-28 Nair Balakrishnan G Ammonia gas sensor method and device
US20090065370A1 (en) * 2004-12-28 2009-03-12 Nair Balakrishnan G Ammonia gas sensor method and device
US9528939B2 (en) 2006-03-10 2016-12-27 Indx Lifecare, Inc. Waveguide-based optical scanning systems
US9423397B2 (en) 2006-03-10 2016-08-23 Indx Lifecare, Inc. Waveguide-based detection system with scanning light source
US7951583B2 (en) 2006-03-10 2011-05-31 Plc Diagnostics, Inc. Optical scanning system
US9976192B2 (en) 2006-03-10 2018-05-22 Ldip, Llc Waveguide-based detection system with scanning light source
US8288157B2 (en) * 2007-09-12 2012-10-16 Plc Diagnostics, Inc. Waveguide-based optical scanning systems
EP2035824A2 (en) * 2006-06-14 2009-03-18 Ceramatec, Inc. Ammonia gas sensor with dissimilar electrodes
DE102007028337B4 (de) 2007-06-15 2019-08-29 Leica Microsystems Cms Gmbh Strahlvereiniger und eine Lichtquelle mit einem derartigen Strahlvereiniger
PL2017602T3 (pl) * 2007-07-19 2014-09-30 Consejo Superior Investigacion Interferometr i czujnik oparty na światłowodzie bimodalnym oraz sposób wykrywania
US20090113901A1 (en) * 2007-11-07 2009-05-07 Interdynamics Inc. Method and Apparatus for Servicing a Coolant System
GB2461026B (en) * 2008-06-16 2011-03-09 Plc Diagnostics Inc System and method for nucleic acids sequencing by phased synthesis
US7792402B2 (en) * 2008-08-25 2010-09-07 Seagate Technology Llc Apparatus and method for coupling light to a thin film optical waveguide
BRPI1008861A2 (pt) * 2009-02-04 2016-03-15 Ostendum Holding B V sistema para análise de um fluido
US8218151B2 (en) 2009-03-12 2012-07-10 Tel Aviv University Future Technology Development Ltd Light-emitting intra-cavity interferometric sensors
AU2010241641B2 (en) * 2009-04-29 2015-05-14 Ldip, Llc Waveguide-based detection system with scanning light source
WO2010150118A1 (en) * 2009-06-08 2010-12-29 Ramot At Tel Aviv University Ltd. Single-waveguide bio-sensor based on propagating modes in a grating waveguide
US8472031B2 (en) 2010-05-25 2013-06-25 Valerio Pruneri Apparatus and method for optical interrogation
WO2012140958A1 (ja) * 2011-04-13 2012-10-18 株式会社フジクラ 光モジュールの製造方法
JP5862123B2 (ja) * 2011-08-31 2016-02-16 住友電気工業株式会社 光デバイスの位置決め方法
CA2859167C (en) 2011-12-12 2021-03-16 Step Ahead Innovations, Inc. Submerged chemical indicator and holder
GB2500631B (en) * 2012-03-27 2017-12-27 Bae Systems Plc Improvements in or relating to optical waveguides
US9784686B2 (en) 2013-06-19 2017-10-10 Step Ahead Innovations, Inc. Aquatic environment water parameter testing systems and methods
US10018566B2 (en) 2014-02-28 2018-07-10 Ldip, Llc Partially encapsulated waveguide based sensing chips, systems and methods of use
US10073188B2 (en) 2014-10-02 2018-09-11 Halliburton Energy Services, Inc. Three-dimensional waveguide sensors for sample analysis
WO2016138427A1 (en) 2015-02-27 2016-09-01 Indx Lifecare, Inc. Waveguide-based detection system with scanning light source
CN107179575B (zh) 2016-03-09 2022-05-24 松下知识产权经营株式会社 光检测装置及光检测系统
JP6646830B2 (ja) 2016-03-30 2020-02-14 パナソニックＩｐマネジメント株式会社 光検出装置および光検出システム
CA2972052A1 (en) * 2016-06-30 2017-12-30 Sightline Innovation Inc. System, method, and module for biomarker detection
GR20160100477A (el) * 2016-09-14 2018-05-18 Εθνικο Κεντρο Ερευνας Φυσικων Επιστημων (Εκεφε) " Δημοκριτος" Ολοκληρωμενο ευρυζωνικο young συμβολομετρο για ταυτοχρονη βιοχημικη ανιχνευση διπλης πολωσης μεσω ενισχυμενης ολισθησης δεσμης κροσσων συμβολης
US12399172B2 (en) 2020-09-18 2025-08-26 Salvus, Llc Interferometric detection and quantification system and methods of use in healthcare
US11994504B2 (en) 2020-09-18 2024-05-28 Salvus, Llc Interferometric detection and quantification system and methods of use in food processing and food supply chain
US11740177B2 (en) 2020-09-18 2023-08-29 Salvus, Llc Interferometric detection and quantification system and methods of use in aquatics
WO2022123705A1 (ja) * 2020-12-09 2022-06-16 日本電信電話株式会社 光センサ
FR3118160B1 (fr) * 2020-12-21 2023-12-08 Commissariat Energie Atomique Composant optique pour un dispositif d’imagerie interférométrique
GR1010873B (el) 2023-12-28 2025-02-06 Αριστοτελειο Πανεπιστημιο Θεσσαλονικης-Ειδικος Λογαριαμος Κονδυλιων Ερευνας, Συμβολομετρικη οπτικη συσκευη ανιχνευσης ολοκληρωμενη σε φωτονικα κυκλωματα
US12103238B1 (en) * 2024-02-13 2024-10-01 Additive Monitoring, Inc. Fringe calibration system and method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515430A (en) * 1980-09-15 1985-05-07 Massachusetts Institute Of Technology Integrated optical transducers
JPH02503713A (ja) * 1987-06-04 1990-11-01 ルコツ　バルター 光学的な変調及び測定方法
EP0403468A1 (de) * 1988-02-14 1990-12-27 LUKOSZ, Walter Integriert-optisches interferenzverfahren
DE3814844A1 (de) * 1988-05-02 1989-11-16 Iot Entwicklungsgesellschaft F Verfahren und vorrichtung zur bestimmung der brechzahl n einer substanz
FR2638847B1 (fr) * 1988-11-04 1990-12-14 Commissariat Energie Atomique Dispositif optique integre pour la mesure d'indice de refraction d'un fluide
US4940328A (en) * 1988-11-04 1990-07-10 Georgia Tech Research Corporation Optical sensing apparatus and method
US4969742A (en) * 1989-06-27 1990-11-13 The Boeing Company Integrated optic wavemeter
US5173747A (en) * 1990-09-20 1992-12-22 Battelle Memorial Institute Integrated optical directional-coupling refractometer apparatus
US5226100A (en) * 1990-09-21 1993-07-06 Siemens Aktiengesellschaft Optical grating comprising a plurality of side-by-side outfeed end faces of optical waveguides
DE4033357A1 (de) * 1990-10-19 1992-04-23 Iot Entwicklungsgesellschaft F Sensor zum stoffnachweis
DE4033912C2 (de) * 1990-10-25 1995-05-24 Fraunhofer Ges Forschung Optischer Sensor
DE59207589D1 (de) * 1991-04-26 1997-01-09 Scherrer Inst Paul Verfahren und vorrichtung zur bestimmung einer messgrösse mittels eines integriert-optischen sensormoduls
GB9119734D0 (en) * 1991-09-16 1991-10-30 British Telecomm Optical grating device
DE4138222C1 (en) * 1991-11-21 1992-12-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De Integrated optical sensor for refractive index measurement esp. of liq. - has Mach-Zehnder interferometer formed from two arms of optical waveguide, and acousto=optical mode converter with continuously variable frequency
US5491762A (en) * 1994-09-09 1996-02-13 Deacon Research ATM switch with electrically-controlled waveguide-routing
US5504772A (en) * 1994-09-09 1996-04-02 Deacon Research Laser with electrically-controlled grating reflector

Also Published As

Publication number Publication date
ATE322676T1 (de) 2006-04-15
CA2233305A1 (en) 1997-04-03
JP3924211B2 (ja) 2007-06-06
EP1182445A3 (en) 2003-01-15
EP0852715A1 (en) 1998-07-15
PT852715E (pt) 2002-10-31
JPH11505023A (ja) 1999-05-11
WO1997012225A1 (en) 1997-04-03
AU7377096A (en) 1997-04-17
DE69636019D1 (de) 2006-05-18
CA2233305C (en) 2004-06-29
EP1182445A2 (en) 2002-02-27
JP2003121675A (ja) 2003-04-23
DE69621031T2 (de) 2002-08-22
EP1182445B1 (en) 2006-04-05
DK0852715T3 (da) 2002-08-19
US5623561A (en) 1997-04-22
EP0852715B1 (en) 2002-05-02
ATE217081T1 (de) 2002-05-15
DE69636019T2 (de) 2007-03-29
DE69621031D1 (de) 2002-06-06

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