DE2050963A1 - Strahlschwachungs Einrichtung - Google Patents

Strahlschwachungs Einrichtung

Info

Publication number
DE2050963A1
DE2050963A1 DE19702050963 DE2050963A DE2050963A1 DE 2050963 A1 DE2050963 A1 DE 2050963A1 DE 19702050963 DE19702050963 DE 19702050963 DE 2050963 A DE2050963 A DE 2050963A DE 2050963 A1 DE2050963 A1 DE 2050963A1
Authority
DE
Germany
Prior art keywords
comb
parts
unit
beam path
weakening
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
DE19702050963
Other languages
German (de)
English (en)
Inventor
William Anthony Glenrothes Fife Scott (Großbritannien)
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.)
Beckman Instruments Ltd
Original Assignee
Beckman Instruments Ltd
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 Beckman Instruments Ltd filed Critical Beckman Instruments Ltd
Publication of DE2050963A1 publication Critical patent/DE2050963A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19702050963 1969-10-17 1970-10-16 Strahlschwachungs Einrichtung Pending DE2050963A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5099569 1969-10-17

Publications (1)

Publication Number Publication Date
DE2050963A1 true DE2050963A1 (de) 1971-07-01

Family

ID=10458232

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702050963 Pending DE2050963A1 (de) 1969-10-17 1970-10-16 Strahlschwachungs Einrichtung

Country Status (3)

Country Link
US (1) US3685885A (enrdf_load_stackoverflow)
DE (1) DE2050963A1 (enrdf_load_stackoverflow)
GB (1) GB1305911A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1414311A (en) * 1972-07-12 1975-11-19 Pye Ltd Sepctrophotometers
US3999863A (en) * 1975-08-13 1976-12-28 Rohr Industries, Inc. Apparatus for measuring light absorption
JPS58120202A (ja) * 1982-01-09 1983-07-18 Takashi Mori 光スイツチ装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1849607A (en) * 1929-04-11 1932-03-15 Bernheim Georges Apparatus for the comparison and measurement of luminosity
US2896508A (en) * 1953-05-21 1959-07-28 Agfa Ag Diaphragm suitable for photometers

Also Published As

Publication number Publication date
US3685885A (en) 1972-08-22
GB1305911A (enrdf_load_stackoverflow) 1973-02-07

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