DE69320790D1 - Diagnose mittels laserabsorptionsspectroscopie im nahen infrarotgebiet - Google Patents

Diagnose mittels laserabsorptionsspectroscopie im nahen infrarotgebiet

Info

Publication number
DE69320790D1
DE69320790D1 DE69320790T DE69320790T DE69320790D1 DE 69320790 D1 DE69320790 D1 DE 69320790D1 DE 69320790 T DE69320790 T DE 69320790T DE 69320790 T DE69320790 T DE 69320790T DE 69320790 D1 DE69320790 D1 DE 69320790D1
Authority
DE
Germany
Prior art keywords
diagnosis
near infrared
absorption spectroscopy
laser absorption
infrared area
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
DE69320790T
Other languages
English (en)
Other versions
DE69320790T2 (de
Inventor
David Cooper
Clinton Carlisle
Haris Riris
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.)
SRI International Inc
Original Assignee
SRI International Inc
Stanford Research Institute
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 SRI International Inc, Stanford Research Institute filed Critical SRI International Inc
Application granted granted Critical
Publication of DE69320790D1 publication Critical patent/DE69320790D1/de
Publication of DE69320790T2 publication Critical patent/DE69320790T2/de
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
    • G01N21/25—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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • 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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/396—Type of laser source
    • G01N2021/399—Diode laser
    • 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
    • G01N21/031—Multipass arrangements
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69320790T 1992-01-29 1993-01-13 Diagnose mittels laserabsorptionsspectroscopie im nahen infrarotgebiet Expired - Fee Related DE69320790T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/827,209 US5317156A (en) 1992-01-29 1992-01-29 Diagnostic tests using near-infrared laser absorption spectroscopy
PCT/US1993/000279 WO1993015391A1 (en) 1992-01-29 1993-01-13 Diagnostic tests using near infrared laser absorption spectroscopy

Publications (2)

Publication Number Publication Date
DE69320790D1 true DE69320790D1 (de) 1998-10-08
DE69320790T2 DE69320790T2 (de) 1999-04-15

Family

ID=25248590

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320790T Expired - Fee Related DE69320790T2 (de) 1992-01-29 1993-01-13 Diagnose mittels laserabsorptionsspectroscopie im nahen infrarotgebiet

Country Status (6)

Country Link
US (1) US5317156A (de)
EP (1) EP0624245B1 (de)
JP (1) JPH07503319A (de)
CA (1) CA2128607A1 (de)
DE (1) DE69320790T2 (de)
WO (1) WO1993015391A1 (de)

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Also Published As

Publication number Publication date
DE69320790T2 (de) 1999-04-15
EP0624245A1 (de) 1994-11-17
JPH07503319A (ja) 1995-04-06
US5317156A (en) 1994-05-31
WO1993015391A1 (en) 1993-08-05
EP0624245B1 (de) 1998-09-02
CA2128607A1 (en) 1993-08-05

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