GB9702018D0 - Determination of the ratio of optical absorbtion coefficients at different wavelengths in a scattering medium - Google Patents

Determination of the ratio of optical absorbtion coefficients at different wavelengths in a scattering medium

Info

Publication number
GB9702018D0
GB9702018D0 GBGB9702018.4A GB9702018A GB9702018D0 GB 9702018 D0 GB9702018 D0 GB 9702018D0 GB 9702018 A GB9702018 A GB 9702018A GB 9702018 D0 GB9702018 D0 GB 9702018D0
Authority
GB
United Kingdom
Prior art keywords
determination
ratio
different wavelengths
scattering medium
coefficients
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.)
Pending
Application number
GBGB9702018.4A
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.)
University College London
Original Assignee
University College London
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 University College London filed Critical University College London
Priority to GBGB9702018.4A priority Critical patent/GB9702018D0/en
Publication of GB9702018D0 publication Critical patent/GB9702018D0/en
Priority to EP98902110A priority patent/EP0956495A1/en
Priority to AU58738/98A priority patent/AU5873898A/en
Priority to PCT/GB1998/000297 priority patent/WO1998034097A1/en
Priority to JP53264098A priority patent/JP2001509893A/en
Pending 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
GBGB9702018.4A 1997-01-31 1997-01-31 Determination of the ratio of optical absorbtion coefficients at different wavelengths in a scattering medium Pending GB9702018D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GBGB9702018.4A GB9702018D0 (en) 1997-01-31 1997-01-31 Determination of the ratio of optical absorbtion coefficients at different wavelengths in a scattering medium
EP98902110A EP0956495A1 (en) 1997-01-31 1998-01-30 Determination of the ratio of absorption coefficients at different wavelengths in a scattering medium
AU58738/98A AU5873898A (en) 1997-01-31 1998-01-30 Determination of the ratio of absorption coefficients at different wavelengt hs in a scattering medium
PCT/GB1998/000297 WO1998034097A1 (en) 1997-01-31 1998-01-30 Determination of the ratio of absorption coefficients at different wavelengths in a scattering medium
JP53264098A JP2001509893A (en) 1997-01-31 1998-01-30 Determination of the ratio of absorption coefficients at different wavelengths in a scattering medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9702018.4A GB9702018D0 (en) 1997-01-31 1997-01-31 Determination of the ratio of optical absorbtion coefficients at different wavelengths in a scattering medium

Publications (1)

Publication Number Publication Date
GB9702018D0 true GB9702018D0 (en) 1997-03-19

Family

ID=10806893

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9702018.4A Pending GB9702018D0 (en) 1997-01-31 1997-01-31 Determination of the ratio of optical absorbtion coefficients at different wavelengths in a scattering medium

Country Status (5)

Country Link
EP (1) EP0956495A1 (en)
JP (1) JP2001509893A (en)
AU (1) AU5873898A (en)
GB (1) GB9702018D0 (en)
WO (1) WO1998034097A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3950243B2 (en) * 1998-11-05 2007-07-25 浜松ホトニクス株式会社 Method and apparatus for measuring internal information of scattering medium
WO2001046679A1 (en) * 1999-12-22 2001-06-28 Applied Optics Center Of Delaware, Inc. Method and apparatus for analyzing samples in a clinical analyzer using coherent radiation
US7239902B2 (en) 2001-03-16 2007-07-03 Nellor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
US6591122B2 (en) 2001-03-16 2003-07-08 Nellcor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
GB2382406B (en) * 2001-08-02 2005-04-20 Electrode Company Ltd Analytical apparatus
US7277741B2 (en) 2004-03-09 2007-10-02 Nellcor Puritan Bennett Incorporated Pulse oximetry motion artifact rejection using near infrared absorption by water
CN1299646C (en) * 2004-05-21 2007-02-14 天津大学 Optical-circuit-variable time-domain light-dividing differential wave length spectrometer for detecting tissue content and detection method thereof
CN1297232C (en) * 2004-05-21 2007-01-31 天津大学 Optical-circuit-variable airspace light-dividing differencial wavelength spectometer for detecting tissue content and detection method thereof
GB0604990D0 (en) * 2006-03-11 2006-04-19 Univ Durham Optical transmissometer and light source and light detector for such optical transmissometer
US8690864B2 (en) 2007-03-09 2014-04-08 Covidien Lp System and method for controlling tissue treatment
US9883824B2 (en) 2012-08-20 2018-02-06 Taiwan Biophotonic Corporation Detecting device
CN103969223A (en) * 2014-04-18 2014-08-06 南京信息工程大学 Device for measuring atmospheric visibility in hazy weather

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030696B (en) * 1978-08-29 1983-03-09 Kommandiittyhtio Finnpipette O Method for semiquantitative automatic measurement of colour intensity of turbidity of a liquid solution
US4329149A (en) * 1980-03-06 1982-05-11 Hach Chemical Company Method for spectrophotometric compensation for colorimetric reagent variation
US4305659A (en) * 1980-03-06 1981-12-15 Baxter Travenol Laboratories, Inc. Photometric apparatus and method
US4448889A (en) * 1982-06-18 1984-05-15 Instrumentation Laboratory Inc. Fluid analysis
DK282085D0 (en) * 1985-06-21 1985-06-21 Radiometer As METHOD AND APPARATUS FOR DETERMINING BLOOD COMPONENTS
US5086001A (en) * 1989-12-01 1992-02-04 Baxter International, Inc. Automated test method for evaluating the physical compatibility of intravenous drugs in solutions
US5297548A (en) * 1992-02-07 1994-03-29 Ohmeda Inc. Arterial blood monitoring probe

Also Published As

Publication number Publication date
JP2001509893A (en) 2001-07-24
AU5873898A (en) 1998-08-25
WO1998034097A1 (en) 1998-08-06
EP0956495A1 (en) 1999-11-17

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