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GB2293007B - Waveguide sensor - Google Patents

Waveguide sensor

Info

Publication number
GB2293007B
GB2293007B GB9417005A GB9417005A GB2293007B GB 2293007 B GB2293007 B GB 2293007B GB 9417005 A GB9417005 A GB 9417005A GB 9417005 A GB9417005 A GB 9417005A GB 2293007 B GB2293007 B GB 2293007B
Authority
GB
United Kingdom
Prior art keywords
waveguide sensor
waveguide
sensor
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 - Fee Related
Application number
GB9417005A
Other versions
GB9417005D0 (en
GB2293007A (en
Inventor
Fenghong Zhang
Patricia Jane Scully
Elled Lewis
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.)
Liverpool John Moores Univ
Original Assignee
Liverpool John Moores Univ
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 Liverpool John Moores Univ filed Critical Liverpool John Moores Univ
Priority to GB9417005A priority Critical patent/GB2293007B/en
Publication of GB9417005D0 publication Critical patent/GB9417005D0/en
Publication of GB2293007A publication Critical patent/GB2293007A/en
Application granted granted Critical
Publication of GB2293007B publication Critical patent/GB2293007B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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)
GB9417005A 1994-08-23 1994-08-23 Waveguide sensor Expired - Fee Related GB2293007B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9417005A GB2293007B (en) 1994-08-23 1994-08-23 Waveguide sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9417005A GB2293007B (en) 1994-08-23 1994-08-23 Waveguide sensor

Publications (3)

Publication Number Publication Date
GB9417005D0 GB9417005D0 (en) 1994-10-12
GB2293007A GB2293007A (en) 1996-03-13
GB2293007B true GB2293007B (en) 1998-09-09

Family

ID=10760258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9417005A Expired - Fee Related GB2293007B (en) 1994-08-23 1994-08-23 Waveguide sensor

Country Status (1)

Country Link
GB (1) GB2293007B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9645004B2 (en) 2014-11-19 2017-05-09 The Boeing Company Optical impedance modulation for fuel quantity measurement comprising a fiber encased by a tube having a longitudinal slot with a lens
US10175087B2 (en) 2017-02-09 2019-01-08 The Boeing Company Fuel level sensor having dual fluorescent plastic optical fibers
US10371559B2 (en) 2017-04-17 2019-08-06 The Boeing Company Differential spectral liquid level sensor
US10352755B2 (en) 2017-04-17 2019-07-16 The Boeing Company Passive differential liquid level sensor using optical fibers
US10935413B2 (en) 2019-04-10 2021-03-02 The Boeing Company Non-contact time-of-flight fuel level sensor using plastic optical fiber

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969741A (en) * 1989-07-21 1990-11-13 Massachusetts Institute Of Technology Measurement of solid particle concentration in presence of a second particle type
EP0423367A1 (en) * 1989-04-25 1991-04-24 Tatsuta Electric Wire & Cable Co., Ltd Optical liquid sensor, its production method and car oil-and-battery checker using the same
EP0478447A1 (en) * 1990-09-26 1992-04-01 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Sensor for impurities in a fluid and its use in a circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0423367A1 (en) * 1989-04-25 1991-04-24 Tatsuta Electric Wire & Cable Co., Ltd Optical liquid sensor, its production method and car oil-and-battery checker using the same
US4969741A (en) * 1989-07-21 1990-11-13 Massachusetts Institute Of Technology Measurement of solid particle concentration in presence of a second particle type
EP0478447A1 (en) * 1990-09-26 1992-04-01 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Sensor for impurities in a fluid and its use in a circuit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
G H Meeten et al "Optical fibre methods for measuring the diffuse refectance in fluids" MEAS SCI *
TECH pp643-648 *

Also Published As

Publication number Publication date
GB9417005D0 (en) 1994-10-12
GB2293007A (en) 1996-03-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee