DE69925930T2 - Verfahren und vorrichtung zur messung der inneren eigenschaften eines streuenden absorbers - Google Patents
Verfahren und vorrichtung zur messung der inneren eigenschaften eines streuenden absorbers Download PDFInfo
- Publication number
- DE69925930T2 DE69925930T2 DE69925930T DE69925930T DE69925930T2 DE 69925930 T2 DE69925930 T2 DE 69925930T2 DE 69925930 T DE69925930 T DE 69925930T DE 69925930 T DE69925930 T DE 69925930T DE 69925930 T2 DE69925930 T2 DE 69925930T2
- Authority
- DE
- Germany
- Prior art keywords
- light
- difference
- variance
- path length
- calculating
- 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 - Lifetime
Links
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- 230000002745 absorbent Effects 0.000 title description 2
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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
- G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring 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
- A61B5/1455—Measuring 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
Landscapes
- 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)
Applications Claiming Priority (3)
| 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 |
| JP31461398 | 1998-11-05 | ||
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69925930D1 DE69925930D1 (de) | 2005-07-28 |
| DE69925930T2 true DE69925930T2 (de) | 2006-05-11 |
Family
ID=18055417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69925930T Expired - Lifetime DE69925930T2 (de) | 1998-11-05 | 1999-11-05 | Verfahren und vorrichtung zur messung der inneren eigenschaften eines streuenden absorbers |
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012101858A1 (de) * | 2012-03-06 | 2013-09-12 | MBE- Komponenten GmbH | Vorrichtung und Verfahren zur Bestimmung der Partialdrucke von Prozessstoffen |
Families Citing this family (15)
| 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 |
| 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)
| 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 |
-
1998
- 1998-11-05 JP JP31461398A patent/JP3950243B2/ja not_active Expired - Lifetime
-
1999
- 1999-11-05 AU AU10782/00A patent/AU1078200A/en not_active Abandoned
- 1999-11-05 WO PCT/JP1999/006181 patent/WO2000028302A1/ja not_active Ceased
- 1999-11-05 EP EP99954411A patent/EP1136811B1/en not_active Expired - Lifetime
- 1999-11-05 DE DE69925930T patent/DE69925930T2/de not_active Expired - Lifetime
-
2001
- 2001-05-04 US US09/848,252 patent/US6704110B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012101858A1 (de) * | 2012-03-06 | 2013-09-12 | MBE- Komponenten GmbH | Vorrichtung und Verfahren zur Bestimmung der Partialdrucke von Prozessstoffen |
Also Published As
| Publication number | Publication date |
|---|---|
| US6704110B2 (en) | 2004-03-09 |
| 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 |
| JP3950243B2 (ja) | 2007-07-25 |
| EP1136811A4 (en) | 2003-01-02 |
| WO2000028302A1 (fr) | 2000-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |