GB2385915B - Optical sensing of measurands - Google Patents

Optical sensing of measurands

Info

Publication number
GB2385915B
GB2385915B GB0224430A GB0224430A GB2385915B GB 2385915 B GB2385915 B GB 2385915B GB 0224430 A GB0224430 A GB 0224430A GB 0224430 A GB0224430 A GB 0224430A GB 2385915 B GB2385915 B GB 2385915B
Authority
GB
United Kingdom
Prior art keywords
measurands
optical sensing
sensing
optical
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
GB0224430A
Other versions
GB0224430D0 (en
GB2385915A (en
Inventor
Arne Berg
Astrid Bjoerkoey
Reinold Ellingsen
Berit Falch
Dag Roar Hjelme
Dan Stling
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.)
Optomed AS
Original Assignee
Optomed AS
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 Optomed AS filed Critical Optomed AS
Publication of GB0224430D0 publication Critical patent/GB0224430D0/en
Publication of GB2385915A publication Critical patent/GB2385915A/en
Application granted granted Critical
Publication of GB2385915B publication Critical patent/GB2385915B/en
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
    • G01N21/75—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
    • G01N21/7703—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
    • 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
    • G01N2021/7723—Swelling part, also for adsorption sensor, i.e. without chemical reaction
    • 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
    • G01N2021/773—Porous polymer jacket; Polymer matrix with 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
    • G01N21/75—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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB0224430A 2001-10-19 2002-10-21 Optical sensing of measurands Expired - Lifetime GB2385915B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0125195.8A GB0125195D0 (en) 2001-10-19 2001-10-19 Optical sensing of measurands

Publications (3)

Publication Number Publication Date
GB0224430D0 GB0224430D0 (en) 2002-11-27
GB2385915A GB2385915A (en) 2003-09-03
GB2385915B true GB2385915B (en) 2005-09-28

Family

ID=9924208

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0125195.8A Ceased GB0125195D0 (en) 2001-10-19 2001-10-19 Optical sensing of measurands
GB0224430A Expired - Lifetime GB2385915B (en) 2001-10-19 2002-10-21 Optical sensing of measurands

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0125195.8A Ceased GB0125195D0 (en) 2001-10-19 2001-10-19 Optical sensing of measurands

Country Status (2)

Country Link
GB (2) GB0125195D0 (en)
WO (1) WO2003034047A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0510352D0 (en) * 2005-05-20 2005-06-29 Optomed As Methods of prostate cancer diagnosis and prostrate tumour analysis
GB2428290B (en) * 2005-07-12 2010-09-01 Univ Cranfield Monofibre optical meter for chemical measurement
GB0605108D0 (en) * 2006-03-14 2006-04-26 Optomed As Fabrication of fiber optic probes
EP2122334B1 (en) 2007-02-06 2018-01-24 Medtronic Minimed, Inc. Method for polymerizing a monomer solution within a cavity to generate a smooth polymer surface
US7751863B2 (en) 2007-02-06 2010-07-06 Glumetrics, Inc. Optical determination of ph and glucose
EP2989975B1 (en) 2007-02-06 2018-06-13 Medtronic MiniMed, Inc. Optical systems and methods for rationmetric measurement of blood glucose concentration
JP5576269B2 (en) * 2007-05-29 2014-08-20 コーニンクレッカ フィリップス エヌ ヴェ Hydrogel-based sensor probe for detecting environmental conditions
WO2009067626A1 (en) 2007-11-21 2009-05-28 Glumetrics, Inc. Use of an equilibrium intravascular sensor to achieve tight glycemic control
US7876447B2 (en) 2008-01-23 2011-01-25 Cranfield University Monofibre optical meter for chemical measurement
WO2010008789A2 (en) 2008-06-23 2010-01-21 University Of South Florida Interferometric chemical sensor array
CN105571742B (en) * 2016-02-15 2021-04-30 深圳市诺安环境安全股份有限公司 Ultra-high resolution temperature sensor based on external liquid bag and fixed wavelength
CN105628247B (en) * 2016-02-15 2021-03-16 深圳市诺安环境安全股份有限公司 Ultra-high resolution temperature sensor based on external liquid bag and spectrum valley point
CN105606250B (en) * 2016-02-15 2021-07-13 深圳市诺安太赫兹技术有限公司 High-resolution temperature sensor based on built-in liquid bag and fixed wavelength
CN105716729B (en) * 2016-02-15 2021-03-16 深圳市诺安环境安全股份有限公司 High-resolution temperature sensor based on built-in liquid bag and spectrum valley point

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198844A (en) * 1986-07-17 1988-06-22 Atomic Energy Authority Uk Gas sensor
GB2228082A (en) * 1989-01-13 1990-08-15 Marconi Gec Ltd Gas or liquid chemical sensor
US5015843A (en) * 1990-02-15 1991-05-14 Polysense, Inc. Fiber optic chemical sensors based on polymer swelling
EP0450782A2 (en) * 1990-03-19 1991-10-09 Eli Lilly And Company Fiberoptic interferometric sensor
US5623561A (en) * 1995-09-29 1997-04-22 Georgia Tech Research Corporation Integrated optic interferometric sensor
US5917966A (en) * 1995-12-14 1999-06-29 Motorola Inc. Interferometric optical chemical sensor
GB2340231A (en) * 1998-07-28 2000-02-16 Merck Patent Gmbh Optical transducers based on liquid crystalline phases

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198844A (en) * 1986-07-17 1988-06-22 Atomic Energy Authority Uk Gas sensor
GB2228082A (en) * 1989-01-13 1990-08-15 Marconi Gec Ltd Gas or liquid chemical sensor
US5015843A (en) * 1990-02-15 1991-05-14 Polysense, Inc. Fiber optic chemical sensors based on polymer swelling
EP0450782A2 (en) * 1990-03-19 1991-10-09 Eli Lilly And Company Fiberoptic interferometric sensor
US5623561A (en) * 1995-09-29 1997-04-22 Georgia Tech Research Corporation Integrated optic interferometric sensor
US5917966A (en) * 1995-12-14 1999-06-29 Motorola Inc. Interferometric optical chemical sensor
GB2340231A (en) * 1998-07-28 2000-02-16 Merck Patent Gmbh Optical transducers based on liquid crystalline phases

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
(FABRICIUS N et al) "A gas sensor based on an integrated optical Mach-Zehnder interferometer" SENSOR AND ACTUATORS B, ELSEVIER SEQUOIA, March 1992, ISSN: 0925-4005 *

Also Published As

Publication number Publication date
GB0125195D0 (en) 2001-12-12
GB0224430D0 (en) 2002-11-27
GB2385915A (en) 2003-09-03
WO2003034047A1 (en) 2003-04-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130418 AND 20130424

PE20 Patent expired after termination of 20 years

Expiry date: 20221020