DE2039451B2 - Anordnung zur messung der absolutwerte zweier lichtintensi taeten - Google Patents

Anordnung zur messung der absolutwerte zweier lichtintensi taeten

Info

Publication number
DE2039451B2
DE2039451B2 DE19702039451 DE2039451A DE2039451B2 DE 2039451 B2 DE2039451 B2 DE 2039451B2 DE 19702039451 DE19702039451 DE 19702039451 DE 2039451 A DE2039451 A DE 2039451A DE 2039451 B2 DE2039451 B2 DE 2039451B2
Authority
DE
Germany
Prior art keywords
light
period
integrator
chopper
switch
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.)
Pending
Application number
DE19702039451
Other languages
German (de)
English (en)
Other versions
DE2039451A1 (OSRAM
Inventor
Ernst Spreitzhofer
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.)
PE Manufacturing GmbH
Original Assignee
Bodenseewerk Perkin Elmer and Co 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 Bodenseewerk Perkin Elmer and Co GmbH filed Critical Bodenseewerk Perkin Elmer and Co GmbH
Priority to DE19702039451 priority Critical patent/DE2039451B2/de
Publication of DE2039451B2 publication Critical patent/DE2039451B2/de
Publication of DE2039451A1 publication Critical patent/DE2039451A1/de
Pending 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
    • G01N21/25—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
    • G01N21/3103—Atomic absorption analysis
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE19702039451 1970-08-08 1970-08-08 Anordnung zur messung der absolutwerte zweier lichtintensi taeten Pending DE2039451B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19702039451 DE2039451B2 (de) 1970-08-08 1970-08-08 Anordnung zur messung der absolutwerte zweier lichtintensi taeten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702039451 DE2039451B2 (de) 1970-08-08 1970-08-08 Anordnung zur messung der absolutwerte zweier lichtintensi taeten

Publications (2)

Publication Number Publication Date
DE2039451B2 true DE2039451B2 (de) 1971-12-09
DE2039451A1 DE2039451A1 (OSRAM) 1971-12-09

Family

ID=5779194

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702039451 Pending DE2039451B2 (de) 1970-08-08 1970-08-08 Anordnung zur messung der absolutwerte zweier lichtintensi taeten

Country Status (1)

Country Link
DE (1) DE2039451B2 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847771A1 (de) * 1977-11-04 1979-05-10 Hitachi Ltd Spektralphotometer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847771A1 (de) * 1977-11-04 1979-05-10 Hitachi Ltd Spektralphotometer

Also Published As

Publication number Publication date
DE2039451A1 (OSRAM) 1971-12-09

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