DE3588064D1 - Spektralmodulationssensor mit optischer Resonanzstruktur und diesen verwendende optische Messvorrichtungen. - Google Patents

Spektralmodulationssensor mit optischer Resonanzstruktur und diesen verwendende optische Messvorrichtungen.

Info

Publication number
DE3588064D1
DE3588064D1 DE3588064T DE3588064T DE3588064D1 DE 3588064 D1 DE3588064 D1 DE 3588064D1 DE 3588064 T DE3588064 T DE 3588064T DE 3588064 T DE3588064 T DE 3588064T DE 3588064 D1 DE3588064 D1 DE 3588064D1
Authority
DE
Germany
Prior art keywords
light
measured
resonant structure
physical parameter
input
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
DE3588064T
Other languages
English (en)
Other versions
DE3588064T2 (de
Inventor
Elric W Saaski
James C Hartl
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.)
PHOTONETICS Inc
Original Assignee
PHOTONETICS Inc
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 PHOTONETICS Inc filed Critical PHOTONETICS Inc
Application granted granted Critical
Publication of DE3588064D1 publication Critical patent/DE3588064D1/de
Publication of DE3588064T2 publication Critical patent/DE3588064T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
    • G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
    • G01L9/0079—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light with Fabry-Perot arrangements
    • 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
    • G01D5/268—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 using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • 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
    • G01N21/7746—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 the waveguide coupled to a cavity resonator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0385—Diffusing membrane; Semipermeable membrane
    • 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
    • G01N2021/772—Tip coated light 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
    • 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
    • G01N21/75—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
    • G01N21/78—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 producing a change of colour
    • G01N21/80—Indicating pH value
    • 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
    • G01N21/78—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 producing a change of colour
    • G01N21/81—Indicating humidity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Optical Transform (AREA)
DE3588064T 1984-07-06 1985-06-25 Spektralmodulationssensor mit optischer Resonanzstruktur und diesen verwendende optische Messvorrichtungen. Expired - Lifetime DE3588064T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/628,813 US4678904A (en) 1984-07-06 1984-07-06 Optical measuring device using a spectral modulation sensor having an optically resonant structure

Publications (2)

Publication Number Publication Date
DE3588064D1 true DE3588064D1 (de) 1995-12-07
DE3588064T2 DE3588064T2 (de) 1996-06-13

Family

ID=24520411

Family Applications (3)

Application Number Title Priority Date Filing Date
DE0665425T Pending DE665425T1 (de) 1984-07-06 1985-06-25 Spektral-Modulationssensor.
DE3588064T Expired - Lifetime DE3588064T2 (de) 1984-07-06 1985-06-25 Spektralmodulationssensor mit optischer Resonanzstruktur und diesen verwendende optische Messvorrichtungen.
DE8585304526T Expired - Lifetime DE3583192D1 (de) 1984-07-06 1985-06-25 Optische messvorrichtung mit verwendung eines spektralmodulierenden sensors mit optisch resonierender struktur.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE0665425T Pending DE665425T1 (de) 1984-07-06 1985-06-25 Spektral-Modulationssensor.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8585304526T Expired - Lifetime DE3583192D1 (de) 1984-07-06 1985-06-25 Optische messvorrichtung mit verwendung eines spektralmodulierenden sensors mit optisch resonierender struktur.

Country Status (6)

Country Link
US (2) US4678904A (de)
EP (3) EP0665425A3 (de)
JP (2) JPH0663967B2 (de)
AT (1) ATE64456T1 (de)
CA (1) CA1246354A (de)
DE (3) DE665425T1 (de)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897541A (en) * 1984-05-18 1990-01-30 Luxtron Corporation Sensors for detecting electromagnetic parameters utilizing resonating elements
US4945230A (en) * 1984-07-06 1990-07-31 Metricor, Inc. Optical measuring device using a spectral modulation sensor having an optically resonant structure
US4678904A (en) * 1984-07-06 1987-07-07 Technology Dynamics, Inc. Optical measuring device using a spectral modulation sensor having an optically resonant structure
USRE33651E (en) * 1984-12-28 1991-07-30 At&T Bell Laboratories Variable gap device and method of manufacture
GB8530809D0 (en) * 1985-12-13 1986-01-22 Gen Electric Co Plc Sensor
GB8531430D0 (en) * 1985-12-20 1986-02-05 Rosemount Eng Co Ltd Displacement sensing apparatus
US4933545A (en) * 1985-12-30 1990-06-12 Metricor, Inc. Optical pressure-sensing system using optical resonator cavity
US4730109A (en) * 1986-06-30 1988-03-08 Puget Sound Power & Light Company Apparatus and method for measuring electric field by electroreflectance
DE3815260A1 (de) * 1987-05-14 1988-11-24 Bbc Brown Boveri & Cie Temperaturmessgeraet
DE3889831T2 (de) * 1987-09-28 1994-09-29 Matsushita Electric Ind Co Ltd Laser-Apparat.
US4845357A (en) * 1988-02-11 1989-07-04 Simmonds Precision Products, Inc. Method of actuation and flight control
US4859079A (en) * 1988-08-04 1989-08-22 Luxtron Corporation Optical system using a luminescent material sensor for measuring very high temperatures
US5032710A (en) * 1988-09-22 1991-07-16 Canon Kabushiki Kaisha Photodetector to detect a light in different wavelength regions through clad layer having different thickness portions
US5039492A (en) * 1989-01-27 1991-08-13 Metricor, Inc. Optical pH and gas concentration sensor
US5039491A (en) * 1989-01-27 1991-08-13 Metricor, Inc. Optical oxygen sensor
US4892383A (en) * 1989-02-17 1990-01-09 Fiberchem Inc. Reservoir fiber optic chemical sensors
US5021731A (en) * 1989-02-21 1991-06-04 Metricor, Inc. Thermo-optical current sensor and thermo-optical current sensing systems
US5010770A (en) * 1989-09-20 1991-04-30 The Babcock & Wilcox Company Vibrating tube fiber optic pressure transducer with light-powered electro-magnetic drive
CA2044159C (en) * 1989-10-11 2003-04-15 John P. Hall Integral intracranial pressure monitor and drainage catheter assembly
US5008542A (en) * 1989-12-20 1991-04-16 The United States Of America As Represented By The Secretary Of The Air Force Method and system for automated measurement of whole-wafer etch pit density in GaAs
US5325865A (en) * 1990-02-26 1994-07-05 Baxter International, Inc. Intracranial pressure monitoring system
US5004914A (en) * 1990-04-20 1991-04-02 Hughes Aircraft Company Fiber-optic interferometric chemical sensor
EP0460357A3 (en) * 1990-06-08 1992-07-29 Landis & Gyr Betriebs Ag Device for optical measurement of pressure differences
FR2676281B1 (fr) * 1991-05-07 1994-08-26 Photonetics Appareil de mesure de l'indice de refraction d'un fluide.
US5275053A (en) * 1991-08-21 1994-01-04 Fiberoptic Sensor Technologies, Inc. Fiber optic pressure sensor systems
CA2116786C (en) * 1991-09-18 1997-07-22 Marc D. Porter Dual-wavelength photometer and fiber-optic sensor probe
SE515191C2 (sv) * 1992-05-05 2001-06-25 Volvo Ab Förfarande för tillverkning av en anordning för mätning av tryck jämte anordning för mätning av tryck
US5311274A (en) * 1992-05-11 1994-05-10 Cole Jr Charles F Fiber optic refractometer
EP0605677B1 (de) * 1992-07-23 1998-06-17 Owens Corning Silicium- oder siliciumdioxid-substrat mit modifizierter oberfläche und verfahren zu dessen herstellung
EP0722541B1 (de) * 1993-10-04 1998-12-30 Research International, Inc. Mikromaschinen-fluss-schalter
US5606170A (en) * 1995-02-03 1997-02-25 Research International, Inc. Multifunctional sensor system
WO1998036253A1 (de) * 1997-02-17 1998-08-20 Luxcom Engineering Transmitter-receiver-modul für glasfasersensoren
US6118534A (en) 1998-07-30 2000-09-12 B. F. Goodrich Company Sensor and method for measuring changes in environmental conditions
IT1303228B1 (it) * 1998-08-11 2000-11-02 Istituto Elettrotecnico Naz Ga Dispositivo sensore ottico di gas in materiale poroso.
US6332573B1 (en) 1998-11-10 2001-12-25 Ncr Corporation Produce data collector and produce recognition system
US6155489A (en) * 1998-11-10 2000-12-05 Ncr Corporation Item checkout device including a bar code data collector and a produce data collector
DE19929034A1 (de) * 1999-06-25 2000-12-28 Pierburg Instr Gmbh Vorrichtung zur Analyse einer Gasprobe mittels Infrarot-Absorption
US6431446B1 (en) 1999-07-28 2002-08-13 Ncr Corporation Produce recognition system and method
US7167615B1 (en) 1999-11-05 2007-01-23 Board Of Regents, The University Of Texas System Resonant waveguide-grating filters and sensors and methods for making and using same
FR2828560B1 (fr) * 2001-08-09 2004-02-20 Schlumberger Services Petrol Capteur resonnant a excitation optique et dispositif de surveillance utilisant ce capteur
US7602498B2 (en) * 2001-10-19 2009-10-13 Invivosense Asa Optical sensing of measurands
US7440110B2 (en) * 2001-10-19 2008-10-21 Invivosense Asa Optical sensing of measurands
US6549687B1 (en) * 2001-10-26 2003-04-15 Lake Shore Cryotronics, Inc. System and method for measuring physical, chemical and biological stimuli using vertical cavity surface emitting lasers with integrated tuner
FR2834340B1 (fr) * 2001-12-28 2004-07-16 Mauna Kea Technologies Appareillage de spectroscopie d'autofluorescence subsurfacique
US6768096B2 (en) * 2002-01-31 2004-07-27 Digital Optics Corp. Passive thermal stabilization of wavelength monitor
US7449146B2 (en) * 2002-09-30 2008-11-11 3M Innovative Properties Company Colorimetric sensor
US20040062682A1 (en) 2002-09-30 2004-04-01 Rakow Neal Anthony Colorimetric sensor
US7428054B2 (en) * 2002-10-15 2008-09-23 University Of Maryland Micro-optical sensor system for pressure, acceleration, and pressure gradient measurements
GR20030100087A (en) * 2003-02-19 2004-10-22 E I E Ethniko Idryma Erevnon Photonic sensor of monolithicc structures of thin hymens
US6836578B2 (en) * 2003-04-14 2004-12-28 Lake Shore Cryotronics, Inc. System and method for measuring physical stimuli using vertical cavity surface emitting lasers with integrated tuning means
US20040252748A1 (en) * 2003-06-13 2004-12-16 Gleitman Daniel D. Fiber optic sensing systems and methods
US7054011B2 (en) * 2003-09-04 2006-05-30 Virginia Tech Intellectual Properties, Inc. Optical fiber pressure and acceleration sensor fabricated on a fiber endface
ES2364141T3 (es) * 2003-09-16 2011-08-25 Soudronic Ag Máquina de soldadura de botes con monitor de polvo.
US7187453B2 (en) * 2004-04-23 2007-03-06 Opsens Inc. Optical MEMS cavity having a wide scanning range for measuring a sensing interferometer
US7220959B2 (en) * 2004-08-16 2007-05-22 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Differential color sensor without filters
US7336062B2 (en) * 2004-11-08 2008-02-26 Lucent Technologies Inc. Optically measuring electric field intensities
US7689071B2 (en) 2004-12-22 2010-03-30 Opsens Inc. Fiber optic pressure sensor for catheter use
WO2007004691A1 (ja) 2005-06-30 2007-01-11 Nec Corporation 電界／磁界センサおよびそれらの製造方法
US7843571B2 (en) * 2005-09-30 2010-11-30 Fujifilm Corporation Sensing system
JP2007101241A (ja) * 2005-09-30 2007-04-19 Fujifilm Corp センシング装置
JP4817786B2 (ja) * 2005-10-03 2011-11-16 株式会社山武 差圧測定システム及び差圧測定方法
US7556774B2 (en) 2005-12-21 2009-07-07 3M Innovative Properties Company Optochemical sensor and method of making the same
US7561276B2 (en) * 2006-01-13 2009-07-14 Luna Innovations Incorporated Demodulation method and apparatus for fiber optic sensors
US7409867B2 (en) * 2006-05-23 2008-08-12 Rosemount Inc. Pressure sensor using light source
US7767143B2 (en) 2006-06-27 2010-08-03 3M Innovative Properties Company Colorimetric sensors
US8067110B2 (en) * 2006-09-11 2011-11-29 3M Innovative Properties Company Organic vapor sorbent protective device with thin-film indicator
US7906223B2 (en) * 2006-09-11 2011-03-15 3M Innovative Properties Company Permeable nanoparticle reflector
JP5576269B2 (ja) * 2007-05-29 2014-08-20 コーニンクレッカ フィリップス エヌ ヴェ 環境状態を検出するためのヒドロゲル・ベースのセンサプローブ
WO2009006944A1 (en) * 2007-07-12 2009-01-15 Abb Research Ltd Pressure sensor
US7734349B2 (en) * 2007-07-18 2010-06-08 Cardiac Pacemakers, Inc. Osmometric heart monitoring device and methods
CA2638696C (en) * 2007-08-17 2013-05-07 Whelen Engineering Company, Inc. Led warning light
US7876447B2 (en) * 2008-01-23 2011-01-25 Cranfield University Monofibre optical meter for chemical measurement
US7954383B2 (en) 2008-12-03 2011-06-07 Rosemount Inc. Method and apparatus for pressure measurement using fill tube
US7870791B2 (en) 2008-12-03 2011-01-18 Rosemount Inc. Method and apparatus for pressure measurement using quartz crystal
US8327713B2 (en) 2008-12-03 2012-12-11 Rosemount Inc. Method and apparatus for pressure measurement using magnetic property
WO2010149651A1 (en) * 2009-06-23 2010-12-29 Imec Optical tactile sensors
WO2011008559A1 (en) 2009-06-29 2011-01-20 University Of Massachusetts Lowell Optical fiber pressure sensor with uniform diaphragm and method of fabricating same
WO2011027315A1 (en) * 2009-09-04 2011-03-10 Moshe Danny S Grading of agricultural products via hyper spectral imaging and analysis
JP5786191B2 (ja) * 2009-09-30 2015-09-30 イマジニアリング株式会社 温度感応体、光学式温度センサ、温度計測装置及び熱流束計測装置
US8132464B2 (en) 2010-07-12 2012-03-13 Rosemount Inc. Differential pressure transmitter with complimentary dual absolute pressure sensors
CN103328033B (zh) 2010-11-09 2016-05-18 奥普森斯公司 具有内部压力传感器的导丝
EP2675361A4 (de) 2011-02-17 2016-09-14 Univ Massachusetts Photoakustische sonde
CN102636457B (zh) * 2012-04-19 2014-06-11 上海理工大学 一种微量液体折射率的测量系统及测量方法
US8752433B2 (en) 2012-06-19 2014-06-17 Rosemount Inc. Differential pressure transmitter with pressure sensor
WO2014015295A1 (en) 2012-07-20 2014-01-23 Board Of Regents Of The University Of Texas System Transducer interface system and method
US9996745B2 (en) 2012-11-19 2018-06-12 Altria Client Services Llc Blending of agricultural products via hyperspectral imaging and analysis
US9103968B2 (en) * 2013-02-12 2015-08-11 The Boeing Company Multifunctional optical sensor unit
DE102014112972A1 (de) * 2013-09-12 2015-03-12 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Messmembran für einen optochemischen oder amperometrischen Sensor
US10823592B2 (en) 2013-09-26 2020-11-03 Rosemount Inc. Process device with process variable measurement using image capture device
WO2016057515A2 (en) 2014-10-06 2016-04-14 Altria Client Services Llc Genetic control of axillary bud growth in tobacco plants
US9903816B2 (en) * 2014-12-02 2018-02-27 Infineon Technologies Ag Photonic crystal sensor structure and a method for manufacturing the same
JP7015243B2 (ja) 2016-03-11 2022-02-02 アルトリア クライアント サーヴィシーズ リミテッド ライアビリティ カンパニー 吸枝が減少又は消失したタバコ植物及びタバコ製品を生産する組成物及び方法
US10197504B2 (en) 2016-10-10 2019-02-05 Altria Client Services Llc Method and system of detecting foreign materials within an agricultural product stream
KR102039395B1 (ko) * 2017-12-04 2019-11-01 중앙대학교 산학협력단 광섬유 습도센서
US11619580B2 (en) * 2018-07-23 2023-04-04 The University Of Chicago Resonator-based ion-selective sensor
CN109342769B (zh) * 2018-12-10 2021-01-12 山东省科学院激光研究所 一种标定方法、流速测量方法及装置
USD926199S1 (en) 2019-05-17 2021-07-27 Opsens, Inc. Display screen or portion thereof with graphical user interface
US20230251122A1 (en) * 2022-02-09 2023-08-10 Simmonds Precision Products, Inc. Optical fabry-perot based liquid level sensors

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267932A (en) * 1962-11-13 1966-08-23 American Electronic Lab Optical catheter means
US3580082A (en) * 1969-11-07 1971-05-25 Bendix Corp Pressure transducer
US4160600A (en) * 1976-09-23 1979-07-10 Smiths Industries Limited Pressure-responsive apparatus
US4201222A (en) * 1977-08-31 1980-05-06 Thomas Haase Method and apparatus for in vivo measurement of blood gas partial pressures, blood pressure and blood pulse
CH639196A5 (de) * 1977-11-23 1983-10-31 Asea Ab Messgeraet zum messen von physikalischen groessen mittels optischer mittel.
US4200110A (en) * 1977-11-28 1980-04-29 United States Of America Fiber optic pH probe
US4194877A (en) * 1977-11-28 1980-03-25 United States Of America Dye-containing polymer composition
US4158310A (en) * 1978-01-30 1979-06-19 University Of Southern California Optical pressure transducer of randomly distributed fiber optics
US4163382A (en) * 1978-04-28 1979-08-07 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for optoacoustic spectroscopy
SE415397B (sv) * 1978-06-02 1980-09-29 Asea Ab Fiberoptiskt metdon
SE411955B (sv) * 1978-06-02 1980-02-11 Asea Ab Fiberoptiskt metdon med hogst tva fibrer
SE418997B (sv) * 1978-06-26 1981-07-06 Asea Ab Fiberoptisk temeraturgivare baserad pa metning av den temperaturberoende, spektrala absorptionsformagan hos ett material
SE413555B (sv) * 1978-09-15 1980-06-02 Asea Ab Fiberoptiskt metdon
US4329058A (en) * 1979-01-22 1982-05-11 Rockwell International Corporation Method and apparatus for a Fabry-Perot multiple beam fringe sensor
US4210029A (en) * 1979-05-04 1980-07-01 Lad Research Industries, Inc. Differential fiber optic differential pressure sensor
JPS55163436A (en) * 1979-06-06 1980-12-19 Matsushita Electric Ind Co Ltd Optical detector
US4307607A (en) * 1979-07-16 1981-12-29 Electric Power Research Institute, Inc. Temperature sensing arrangement and method
SE420130B (sv) * 1980-01-24 1981-09-14 Asea Ab Optiskt metdon for metning av kraft eller tryck
SE8006679L (sv) * 1980-09-24 1982-03-25 Asea Ab Korrelerande fiberoptiskt metdon
US4368645A (en) * 1980-09-26 1983-01-18 United Technologies Corporation Optical pressure sensor
US4321831A (en) * 1980-09-26 1982-03-30 United Technologies Corporation Digitally compatible optical pressure measurement
SE8006827L (sv) * 1980-09-30 1982-03-31 Asea Ab Fiberoptiskt metdon med kompensation for reflexioner i fiberoptiken och med mojlighet till samtidig metning av flera metstorheter
DE3142164A1 (de) * 1980-10-27 1982-06-16 Rosemount Engineering Co. Ltd., Bognor Regis, Sussex Vorrichtung zur messung von druckunterschieden
US4356396A (en) * 1980-12-17 1982-10-26 Siemens Corporation Fiber optical measuring device with compensating properties
EP0058801B1 (de) * 1980-12-17 1987-02-04 Imperial Chemical Industries Plc Messapparat mit Verwendung optischer Interferenztechnik
US4437761A (en) * 1981-03-27 1984-03-20 Sperry Corporation Refractive index temperature sensor
JPS57186134A (en) * 1981-05-11 1982-11-16 Tsukasa Sotsuken:Kk Pressure gauge
JPS57190214A (en) * 1981-05-20 1982-11-22 Toshiba Corp Optical sensor device
GB2102941A (en) * 1981-06-09 1983-02-09 Rosemount Eng Co Ltd Differential pressure sensing
JPS59500017A (ja) * 1981-12-30 1984-01-05 エムテイ−エイ　コズポンテイ　フイジカイ　クタト　インテゼツテ 温度および／または蒸気を感知する干渉ミラ−（エッジフイルタ）または干渉フイルタ（バンドパスフイルタ）を作成する方法、および空気または他のガスにおける相対湿度および／または蒸気濃度を測定するための、また
US4558217A (en) * 1982-03-12 1985-12-10 Luxtron Corporation Multiplexing and calibration techniques for optical signal measuring instruments
US4487206A (en) * 1982-10-13 1984-12-11 Honeywell Inc. Fiber optic pressure sensor with temperature compensation and reference
SE434434B (sv) * 1982-11-22 1984-07-23 Asea Ab Fiberoptisk luminiscensgivare med interferens i tunna skiktstrukturer
US4678904A (en) * 1984-07-06 1987-07-07 Technology Dynamics, Inc. Optical measuring device using a spectral modulation sensor having an optically resonant structure
US4689483A (en) * 1985-04-25 1987-08-25 Advanced Fiberoptic Technologies Corporation Fiber optical temperature measuring apparatus

Also Published As

Publication number Publication date
EP0423903B1 (de) 1995-11-02
EP0665425A2 (de) 1995-08-02
JPS6135334A (ja) 1986-02-19
JP2610776B2 (ja) 1997-05-14
CA1266785C (de) 1990-03-20
US4678904A (en) 1987-07-07
EP0665425A3 (de) 1995-11-02
ATE64456T1 (de) 1991-06-15
EP0423903A3 (en) 1991-07-17
EP0172623B1 (de) 1991-06-12
CA1246354A (en) 1988-12-13
DE3583192D1 (de) 1991-07-18
DE3588064T2 (de) 1996-06-13
EP0172623A2 (de) 1986-02-26
US4778987A (en) 1988-10-18
DE665425T1 (de) 1996-03-14
JPH0727696A (ja) 1995-01-31
EP0172623A3 (en) 1986-08-20
JPH0663967B2 (ja) 1994-08-22
EP0423903A2 (de) 1991-04-24

Similar Documents

Publication Publication Date Title
DE3588064D1 (de) Spektralmodulationssensor mit optischer Resonanzstruktur und diesen verwendende optische Messvorrichtungen.
US7060967B2 (en) Optical wavelength interrogator
ATE27489T1 (de) Faseroptische messeinrichtung.
SE7812949L (sv) Fiberoptiskt metdon
ATE297684T1 (de) Kupplung für faseroptisches oximeter mit anzeige der wellenlängenverschiebung
SE8501713D0 (sv) Fiberoptisk interferometer
ATE68051T1 (de) Temperaturmessung.
DE3778779D1 (de) Wellenlaengenempfindliche optische vorrichtungen.
EP0210719A3 (de) Fiberoptische Temperaturmesseinrichtung
CN101290248B (zh) 基于马赫-曾德尔干涉仪滤波原理的单模红外光波长计
ATE340352T1 (de) Differenzmesssystem auf der basis der benutzung von paaren von bragg-gittern
CA2086046A1 (en) Apparatus for measuring the effective refractive index in optical fibres
EP1054244A3 (de) Optischer Abtastspektrometer
DE3483660D1 (de) Fiberoptischer messwandler.
GR1000329B (el) Αισθητηρας πιεσεως/θερμοκρασιας με φιλτρο στενης ζωνης.
KR860003504A (ko) 온도측정장치
JPS53113572A (en) Dispersion characteristic measuring device of optical fiber
JPS5651636A (en) Measuring method for material dispersion characteristic of fiber
JPS5537948A (en) Measuring method for transmission characteristic of optical fiber
JPS57211033A (en) Measuring method for group delay time difference of optical fiber
JPS6144334A (ja) 温度測定装置
JPS6449942A (en) Physical property measuring instrument for liquid
SU1571518A1 (ru) Преобразователь проход щей СВЧ-мощности
SU1506313A1 (ru) Волоконно-оптический датчик давлени
SU694772A1 (ru) Импульсный фотометр

Legal Events

Date Code Title Description
8364 No opposition during term of opposition