DE3915692C2 - - Google Patents

Info

Publication number
DE3915692C2
DE3915692C2 DE19893915692 DE3915692A DE3915692C2 DE 3915692 C2 DE3915692 C2 DE 3915692C2 DE 19893915692 DE19893915692 DE 19893915692 DE 3915692 A DE3915692 A DE 3915692A DE 3915692 C2 DE3915692 C2 DE 3915692C2
Authority
DE
Germany
Prior art keywords
fluorescence
intensity
shutter
light
signal
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
Application number
DE19893915692
Other languages
German (de)
English (en)
Other versions
DE3915692A1 (de
Inventor
Bernhard Dr. 8046 Garching De Ruth
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.)
Helmholtz Zentrum München
Original Assignee
Gsf - Forschungszentrum fur Umwelt und Gesundheit 8000 Muenchen De GmbH
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 Gsf - Forschungszentrum fur Umwelt und Gesundheit 8000 Muenchen De GmbH filed Critical Gsf - Forschungszentrum fur Umwelt und Gesundheit 8000 Muenchen De GmbH
Priority to DE19893915692 priority Critical patent/DE3915692A1/de
Publication of DE3915692A1 publication Critical patent/DE3915692A1/de
Application granted granted Critical
Publication of DE3915692C2 publication Critical patent/DE3915692C2/de
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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G01J2001/1636—Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J2001/4406—Plural ranges in circuit, e.g. switchable ranges; Adjusting sensitivity selecting gain values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J2001/4446—Type of detector
    • G01J2001/4453—PMT
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/064—Stray light conditioning
    • G01N2201/0648—Shutters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0691—Modulated (not pulsed supply)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0695—Supply to maintain constant beam intensity

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (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, Analyzing Materials By Fluorescence Or Luminescence (AREA)
DE19893915692 1989-05-13 1989-05-13 Verfahren und anordnung zur bestimmung schnell veraenderlicher fluoreszenzvorgaenge Granted DE3915692A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893915692 DE3915692A1 (de) 1989-05-13 1989-05-13 Verfahren und anordnung zur bestimmung schnell veraenderlicher fluoreszenzvorgaenge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893915692 DE3915692A1 (de) 1989-05-13 1989-05-13 Verfahren und anordnung zur bestimmung schnell veraenderlicher fluoreszenzvorgaenge

Publications (2)

Publication Number Publication Date
DE3915692A1 DE3915692A1 (de) 1990-11-22
DE3915692C2 true DE3915692C2 (enExample) 1992-05-27

Family

ID=6380622

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893915692 Granted DE3915692A1 (de) 1989-05-13 1989-05-13 Verfahren und anordnung zur bestimmung schnell veraenderlicher fluoreszenzvorgaenge

Country Status (1)

Country Link
DE (1) DE3915692A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618601A1 (de) * 1996-05-09 1997-11-13 Stratec Elektronik Gmbh Verfahren und Anordnung zur Lichtdetektion
DE19920533A1 (de) * 1999-05-05 2000-12-07 Berthold Gmbh & Co Kg Meßgerät zur Messung der Lichtintensität mit einem Photovervielfacher
US7992098B2 (en) 2000-08-22 2011-08-02 Affymetrix, Inc. System, method, and computer software product for linked window interfaces

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0734539B1 (de) * 1994-08-25 2002-11-13 Leica Microsystems Heidelberg GmbH Vorrichtung zum einkoppeln des lichtstrahls eines uv-lasers in ein laser-scanmikroskop
DE19829981C2 (de) † 1998-07-04 2002-10-17 Zeiss Carl Jena Gmbh Verfahren und Anordnung zur konfokalen Mikroskopie
US6355921B1 (en) 1999-05-17 2002-03-12 Agilent Technologies, Inc. Large dynamic range light detection
EP2390819A1 (en) * 2000-08-22 2011-11-30 Affymetrix, Inc. System, method, and computer software product for controlling biological microarray scanner

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058732A (en) * 1975-06-30 1977-11-15 Analytical Radiation Corporation Method and apparatus for improved analytical fluorescent spectroscopy
DE3206407A1 (de) * 1982-02-23 1983-09-01 Gesellschaft für Strahlen- und Umweltforschung mbH, 8000 München Einrichtung zum quantitativen nachweis biochemischer reaktionen
DE3303510C2 (de) * 1983-01-31 1987-04-23 Peter Dr.-Ing. Gräber Vorrichtung zur fluorometrischen Untersuchung von mit Schadstoffen behandelten Pflanzen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618601A1 (de) * 1996-05-09 1997-11-13 Stratec Elektronik Gmbh Verfahren und Anordnung zur Lichtdetektion
DE19618601C2 (de) * 1996-05-09 2000-04-13 Stratec Elektronik Gmbh Verfahren und Anordnung zur Lichtdetektion
DE19920533A1 (de) * 1999-05-05 2000-12-07 Berthold Gmbh & Co Kg Meßgerät zur Messung der Lichtintensität mit einem Photovervielfacher
DE19920533C2 (de) * 1999-05-05 2001-05-23 Berthold Gmbh & Co Kg Meßgerät zur Messung der Lichtintensität mit einem Photovervielfacher
US7992098B2 (en) 2000-08-22 2011-08-02 Affymetrix, Inc. System, method, and computer software product for linked window interfaces

Also Published As

Publication number Publication date
DE3915692A1 (de) 1990-11-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: GSF - FORSCHUNGSZENTRUM FUER UMWELT UND GESUNDHEIT

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee