FR2445959A1 - Procede et dispositif pour mesurer la dispersion de la lumiere dans des systemes de detection de particules et miroir compose a utiliser dans ce but - Google Patents

Procede et dispositif pour mesurer la dispersion de la lumiere dans des systemes de detection de particules et miroir compose a utiliser dans ce but

Info

Publication number
FR2445959A1
FR2445959A1 FR8000044A FR8000044A FR2445959A1 FR 2445959 A1 FR2445959 A1 FR 2445959A1 FR 8000044 A FR8000044 A FR 8000044A FR 8000044 A FR8000044 A FR 8000044A FR 2445959 A1 FR2445959 A1 FR 2445959A1
Authority
FR
France
Prior art keywords
detection systems
measuring light
particle detection
light dispersion
composite mirror
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.)
Granted
Application number
FR8000044A
Other languages
English (en)
French (fr)
Other versions
FR2445959B1 (US07860544-20101228-C00003.png
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.)
Coulter Electronics Inc
Original Assignee
Coulter Electronics Inc
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 Coulter Electronics Inc filed Critical Coulter Electronics Inc
Publication of FR2445959A1 publication Critical patent/FR2445959A1/fr
Application granted granted Critical
Publication of FR2445959B1 publication Critical patent/FR2445959B1/fr
Granted 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N15/0211—Investigating a scatter or diffraction pattern
    • 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
    • G01N2021/4711—Multiangle measurement
    • G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR8000044A 1979-01-02 1980-01-02 Procede et dispositif pour mesurer la dispersion de la lumiere dans des systemes de detection de particules et miroir compose a utiliser dans ce but Granted FR2445959A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/000,438 US4286876A (en) 1979-01-02 1979-01-02 Apparatus and method for measuring scattering of light in particle detection systems

Publications (2)

Publication Number Publication Date
FR2445959A1 true FR2445959A1 (fr) 1980-08-01
FR2445959B1 FR2445959B1 (US07860544-20101228-C00003.png) 1983-12-09

Family

ID=21691542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8000044A Granted FR2445959A1 (fr) 1979-01-02 1980-01-02 Procede et dispositif pour mesurer la dispersion de la lumiere dans des systemes de detection de particules et miroir compose a utiliser dans ce but

Country Status (6)

Country Link
US (1) US4286876A (US07860544-20101228-C00003.png)
JP (2) JPS55112532A (US07860544-20101228-C00003.png)
CA (1) CA1136884A (US07860544-20101228-C00003.png)
DE (1) DE3000035A1 (US07860544-20101228-C00003.png)
FR (1) FR2445959A1 (US07860544-20101228-C00003.png)
GB (1) GB2039367B (US07860544-20101228-C00003.png)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270572D1 (en) * 1981-06-04 1986-05-22 Atomic Energy Authority Uk Improvements in or relating to the measurement of the size of particles
NO156917C (no) * 1985-07-16 1987-12-16 Harald B Steen Anordning for maaling av biologiske cellers lysspredning i vaeskestroemsfotometere.
GB8726305D0 (en) * 1987-11-10 1987-12-16 Secr Defence Portable particle analysers
US4953978A (en) * 1989-03-03 1990-09-04 Coulter Electronics Of New England, Inc. Particle size analysis utilizing polarization intensity differential scattering
US5056918A (en) * 1989-03-03 1991-10-15 Coulter Electronics Of New England, Inc. Method and apparatus for particle size analysis
US5104221A (en) * 1989-03-03 1992-04-14 Coulter Electronics Of New England, Inc. Particle size analysis utilizing polarization intensity differential scattering
US5650847A (en) * 1995-06-14 1997-07-22 Erkki Soini Method and device for determination of parameters of individual microparticles
US5929981A (en) * 1996-06-18 1999-07-27 Ohmeda Inc. System for monitoring contamination of optical elements in a Raman gas analyzer
ATE250757T1 (de) * 1997-07-03 2003-10-15 Robert N Hamburger System und verfahren zum nachweis von allergenen
US6639675B1 (en) * 2000-09-12 2003-10-28 Abb Automation Inc. Method and apparatus for aligning a mirror of a carbon in fly ash sensor
US6967338B1 (en) * 2002-11-25 2005-11-22 The United States Of America As Represented By The Secretary Of The Army Micro UV particle detector
US7053783B2 (en) * 2002-12-18 2006-05-30 Biovigilant Systems, Inc. Pathogen detector system and method
KR101170859B1 (ko) * 2004-07-30 2012-08-02 바이오비질런트 시스템즈 인코포레이티드 병원균 및 입자 탐지기 시스템과 방법
US7738099B2 (en) * 2005-07-15 2010-06-15 Biovigilant Systems, Inc. Pathogen and particle detector system and method
US8628976B2 (en) * 2007-12-03 2014-01-14 Azbil BioVigilant, Inc. Method for the detection of biologic particle contamination
CN102042876B (zh) * 2010-12-07 2012-12-05 上海衡伟信息技术有限公司 远程在线光谱检测系统
CN103364318B (zh) * 2013-07-22 2015-09-23 南通大学 用旋转对称椭腔镜检测微粒大小及形状的光学系统
CN107075437B (zh) * 2014-10-22 2019-12-03 株式会社日立高新技术 细胞测量机构和具有该细胞测量机构的细胞培养装置以及细胞测量方法
CN108291863B (zh) 2015-10-02 2020-07-03 国家光学研究所 用于使用光散射技术进行个体颗粒尺寸测量的系统和方法
FR3061301B1 (fr) * 2016-12-26 2020-09-04 Commissariat Energie Atomique Procede d'observation d'un objet
US10901228B2 (en) * 2017-06-27 2021-01-26 The Boeing Company Cavity with curved beam replicator and method of determining a characteristic of a medium therein

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177760A (en) * 1963-02-07 1965-04-13 Ex Cell O Corp Apparatus embodying plural light paths for measuring the turbidity of a fluid
US3248551A (en) * 1962-10-22 1966-04-26 Joseph C Frommer Optical arrangement for sensing very small particles
US3819270A (en) * 1972-10-02 1974-06-25 Block Engineering Blood cell analyzer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508830A (en) * 1967-11-13 1970-04-28 Shell Oil Co Apparatus for light scattering measurements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248551A (en) * 1962-10-22 1966-04-26 Joseph C Frommer Optical arrangement for sensing very small particles
US3177760A (en) * 1963-02-07 1965-04-13 Ex Cell O Corp Apparatus embodying plural light paths for measuring the turbidity of a fluid
US3819270A (en) * 1972-10-02 1974-06-25 Block Engineering Blood cell analyzer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/65 *
EXRV/78 *

Also Published As

Publication number Publication date
JPS55112532A (en) 1980-08-30
US4286876A (en) 1981-09-01
CA1136884A (en) 1982-12-07
FR2445959B1 (US07860544-20101228-C00003.png) 1983-12-09
GB2039367A (en) 1980-08-06
DE3000035A1 (de) 1980-07-31
JPS55112531A (en) 1980-08-30
GB2039367B (en) 1983-04-13

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