JP3950243B2 - 散乱吸収体の内部情報の計測方法及び装置 - Google Patents

散乱吸収体の内部情報の計測方法及び装置 Download PDF

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JP3950243B2
JP3950243B2 JP31461398A JP31461398A JP3950243B2 JP 3950243 B2 JP3950243 B2 JP 3950243B2 JP 31461398 A JP31461398 A JP 31461398A JP 31461398 A JP31461398 A JP 31461398A JP 3950243 B2 JP3950243 B2 JP 3950243B2
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Japan
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absorption coefficient
light
coefficient difference
predetermined
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Expired - Lifetime
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JP31461398A
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Japanese (ja)
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JP2000146828A (ja
JP2000146828A5 (OSRAM
Inventor
裕 土屋
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Hamamatsu Photonics KK
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Hamamatsu Photonics KK
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Priority to JP31461398A priority Critical patent/JP3950243B2/ja
Application filed by Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Priority to EP99954411A priority patent/EP1136811B1/en
Priority to DE69925930T priority patent/DE69925930T2/de
Priority to PCT/JP1999/006181 priority patent/WO2000028302A1/ja
Priority to AU10782/00A priority patent/AU1078200A/en
Publication of JP2000146828A publication Critical patent/JP2000146828A/ja
Priority to US09/848,252 priority patent/US6704110B2/en
Publication of JP2000146828A5 publication Critical patent/JP2000146828A5/ja
Application granted granted Critical
Publication of JP3950243B2 publication Critical patent/JP3950243B2/ja
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/4795Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
JP31461398A 1998-11-05 1998-11-05 散乱吸収体の内部情報の計測方法及び装置 Expired - Lifetime JP3950243B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP31461398A JP3950243B2 (ja) 1998-11-05 1998-11-05 散乱吸収体の内部情報の計測方法及び装置
DE69925930T DE69925930T2 (de) 1998-11-05 1999-11-05 Verfahren und vorrichtung zur messung der inneren eigenschaften eines streuenden absorbers
PCT/JP1999/006181 WO2000028302A1 (fr) 1998-11-05 1999-11-05 Procede et dispositif permettant d'obtenir une information medicale interne a partir d'un element absorbant la lumiere diffusee
AU10782/00A AU1078200A (en) 1998-11-05 1999-11-05 Method and device for measuring internal information of scattering absorber
EP99954411A EP1136811B1 (en) 1998-11-05 1999-11-05 Method and device for measuring internal information of scattering absorber
US09/848,252 US6704110B2 (en) 1998-11-05 2001-05-04 Method and apparatus for measuring internal information of scattering medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31461398A JP3950243B2 (ja) 1998-11-05 1998-11-05 散乱吸収体の内部情報の計測方法及び装置

Publications (3)

Publication Number Publication Date
JP2000146828A JP2000146828A (ja) 2000-05-26
JP2000146828A5 JP2000146828A5 (OSRAM) 2005-10-27
JP3950243B2 true JP3950243B2 (ja) 2007-07-25

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JP31461398A Expired - Lifetime JP3950243B2 (ja) 1998-11-05 1998-11-05 散乱吸収体の内部情報の計測方法及び装置

Country Status (6)

Country Link
US (1) US6704110B2 (OSRAM)
EP (1) EP1136811B1 (OSRAM)
JP (1) JP3950243B2 (OSRAM)
AU (1) AU1078200A (OSRAM)
DE (1) DE69925930T2 (OSRAM)
WO (1) WO2000028302A1 (OSRAM)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4499270B2 (ja) * 2000-10-30 2010-07-07 浜松ホトニクス株式会社 散乱吸収体計測装置の校正方法、及びそれを用いた散乱吸収体計測装置
US7505135B2 (en) * 2002-07-15 2009-03-17 Ariel Ltd. Method and apparatus for imaging through scattering or obstructing media
JP2006032885A (ja) * 2003-11-18 2006-02-02 Sharp Corp 光源装置およびそれを用いた光通信装置
US7551950B2 (en) * 2004-06-29 2009-06-23 O2 Medtech, Inc,. Optical apparatus and method of use for non-invasive tomographic scan of biological tissues
JP4662831B2 (ja) * 2005-09-20 2011-03-30 富士フイルム株式会社 試料分析装置
JP5420163B2 (ja) * 2007-10-24 2014-02-19 浜松ホトニクス株式会社 生体計測装置
JP5087526B2 (ja) * 2008-11-25 2012-12-05 浜松ホトニクス株式会社 散乱吸収体計測方法及び散乱吸収体計測装置
US8788001B2 (en) * 2009-09-21 2014-07-22 Covidien Lp Time-division multiplexing in a multi-wavelength photon density wave system
US8391943B2 (en) * 2010-03-31 2013-03-05 Covidien Lp Multi-wavelength photon density wave system using an optical switch
CA2831593A1 (en) * 2011-03-28 2012-10-04 Avl Test Systems, Inc. Deconvolution method for emissions measurement
DE102012101858A1 (de) * 2012-03-06 2013-09-12 MBE- Komponenten GmbH Vorrichtung und Verfahren zur Bestimmung der Partialdrucke von Prozessstoffen
JP6048950B2 (ja) * 2012-06-15 2016-12-21 セイコーエプソン株式会社 濃度測定装置
JP6043276B2 (ja) * 2013-12-27 2016-12-14 浜松ホトニクス株式会社 散乱吸収体測定装置及び散乱吸収体測定方法
JP6551723B2 (ja) * 2014-11-13 2019-07-31 株式会社リコー 光学センサ、光学検査装置、及び光学特性検出方法
US10422745B2 (en) 2015-06-24 2019-09-24 Hamamatsu Photonics K.K. Scattering absorber measurement device and scattering absorber measurement method
US11654635B2 (en) 2019-04-18 2023-05-23 The Research Foundation For Suny Enhanced non-destructive testing in directed energy material processing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5792051A (en) * 1988-12-21 1998-08-11 Non-Invasive Technology, Inc. Optical probe for non-invasive monitoring of neural activity
DE4330460C2 (de) * 1993-09-08 1996-05-23 Siemens Ag Vorrichtung zur Untersuchung von Gewebe mit Licht unterschiedlicher Wellenlängen
JP2780935B2 (ja) 1994-09-22 1998-07-30 浜松ホトニクス株式会社 散乱吸収体の吸収成分の濃度計測方法及び装置
DE4445683A1 (de) * 1994-12-21 1996-06-27 Boehringer Mannheim Gmbh Verfahren zur Untersuchung eines streuenden Mediums mit intensitätsmoduliertem Licht
JP3793255B2 (ja) 1995-08-28 2006-07-05 浜松ホトニクス株式会社 光学測定方法及び光学測定装置
JP3844815B2 (ja) * 1996-08-30 2006-11-15 浜松ホトニクス株式会社 散乱体の吸収情報計測方法及び装置
JP3660761B2 (ja) * 1996-10-03 2005-06-15 技術研究組合医療福祉機器研究所 散乱体の吸収情報の計測方法及び装置
GB9702018D0 (en) * 1997-01-31 1997-03-19 Univ London Determination of the ratio of optical absorbtion coefficients at different wavelengths in a scattering medium
JP3887486B2 (ja) * 1998-05-26 2007-02-28 浜松ホトニクス株式会社 散乱吸収体の内部特性分布の計測方法及び装置

Also Published As

Publication number Publication date
US6704110B2 (en) 2004-03-09
DE69925930T2 (de) 2006-05-11
DE69925930D1 (de) 2005-07-28
JP2000146828A (ja) 2000-05-26
AU1078200A (en) 2000-05-29
EP1136811A1 (en) 2001-09-26
EP1136811B1 (en) 2005-06-22
US20010038454A1 (en) 2001-11-08
EP1136811A4 (en) 2003-01-02
WO2000028302A1 (fr) 2000-05-18

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