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WO2012031625A3 - Optical probe - Google Patents

Optical probe Download PDF

Info

Publication number
WO2012031625A3
WO2012031625A3 PCT/EP2010/063148 EP2010063148W WO2012031625A3 WO 2012031625 A3 WO2012031625 A3 WO 2012031625A3 EP 2010063148 W EP2010063148 W EP 2010063148W WO 2012031625 A3 WO2012031625 A3 WO 2012031625A3
Authority
WO
WIPO (PCT)
Prior art keywords
distal end
collection
transmission element
optical probe
probe head
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.)
Ceased
Application number
PCT/EP2010/063148
Other languages
French (fr)
Other versions
WO2012031625A2 (en
Inventor
Tony Maddison
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.)
Foss Analytical AB
Original Assignee
Foss Analytical AB
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 Foss Analytical AB filed Critical Foss Analytical AB
Priority to PCT/EP2010/063148 priority Critical patent/WO2012031625A2/en
Publication of WO2012031625A2 publication Critical patent/WO2012031625A2/en
Anticipated expiration legal-status Critical
Publication of WO2012031625A3 publication Critical patent/WO2012031625A3/en
Ceased 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
    • G01N21/84—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
    • 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
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474—Details of optical heads therefor, e.g. using optical fibres
    • 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
    • G01N2021/4704—Angular selective
    • G01N2021/4726—Detecting scatter at 90°
    • 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
    • G01N2021/8528—Immerged light conductor
    • 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)
  • 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)

Abstract

An optical probe comprises a probe head (32) housing a transmission element(4), preferably comprising a fibre-optic (46) and a collection element (10), preferably comprising a fibre optic (48) each having a distal end (6,12) at which optical radiation is respectively transmitted into and collected from a sample receiving volume 8 defined, at least in part, by non parallel opposing side-walls (34, 36) of the probe head (32) in which the respective distal ends (6, 12) terminate. The respective distal ends (6,12) are disposed in an off-axis configuration in which the distal end (12) of the collection element (10) is located outside the acceptance cone (14) of the transmission element (4) to avoid collection at the distal end (12) of the collection element (10) of uninterrupted radiation emitted from the distal end (6) of the transmission element (4).
PCT/EP2010/063148 2010-09-08 2010-09-08 Optical probe Ceased WO2012031625A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/063148 WO2012031625A2 (en) 2010-09-08 2010-09-08 Optical probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/063148 WO2012031625A2 (en) 2010-09-08 2010-09-08 Optical probe

Publications (2)

Publication Number Publication Date
WO2012031625A2 WO2012031625A2 (en) 2012-03-15
WO2012031625A3 true WO2012031625A3 (en) 2013-03-28

Family

ID=44041616

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/063148 Ceased WO2012031625A2 (en) 2010-09-08 2010-09-08 Optical probe

Country Status (1)

Country Link
WO (1) WO2012031625A2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335725A2 (en) * 1988-04-01 1989-10-04 Syntex (U.S.A.) Inc. Apparatus and method for detection of fluorescence or light scatter
US5278412A (en) * 1992-08-18 1994-01-11 Nirsystems Incorporated System for measuring the moisture content of powder and fiber optic probe therefor
US5835649A (en) * 1997-06-02 1998-11-10 The University Of British Columbia Light directing and collecting fiber optic probe
EP1321758A1 (en) * 2001-03-01 2003-06-25 Otsuka Electronics Co., Ltd. Light scattering measuring probe
US20040086215A1 (en) * 2002-11-04 2004-05-06 Mark Salerno Sampling end for fiber optic probe
DE202005011177U1 (en) * 2005-07-15 2006-11-23 J & M Analytische Mess- Und Regeltechnik Gmbh Device for analysis, in particular photometric or spectrophotometric analysis
WO2007000166A1 (en) * 2005-06-27 2007-01-04 Sfk Technology A/S Recording of position-specific wavelength absorption spectra

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6137108A (en) 1998-06-17 2000-10-24 Foss Nirsystems Incorporated Instrument and method for spectroscopic analysis by reflectance and transmittance
US6737649B2 (en) 2002-04-16 2004-05-18 Foss Nirsystems, Inc. Infrared analysis instrument with offset probe for particulate sample

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335725A2 (en) * 1988-04-01 1989-10-04 Syntex (U.S.A.) Inc. Apparatus and method for detection of fluorescence or light scatter
US5278412A (en) * 1992-08-18 1994-01-11 Nirsystems Incorporated System for measuring the moisture content of powder and fiber optic probe therefor
US5835649A (en) * 1997-06-02 1998-11-10 The University Of British Columbia Light directing and collecting fiber optic probe
EP1321758A1 (en) * 2001-03-01 2003-06-25 Otsuka Electronics Co., Ltd. Light scattering measuring probe
US20040086215A1 (en) * 2002-11-04 2004-05-06 Mark Salerno Sampling end for fiber optic probe
WO2007000166A1 (en) * 2005-06-27 2007-01-04 Sfk Technology A/S Recording of position-specific wavelength absorption spectra
DE202005011177U1 (en) * 2005-07-15 2006-11-23 J & M Analytische Mess- Und Regeltechnik Gmbh Device for analysis, in particular photometric or spectrophotometric analysis

Also Published As

Publication number Publication date
WO2012031625A2 (en) 2012-03-15

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