DE2332825A1 - Schwaechungsvorrichtung fuer ein optisches nullspektralphotometer - Google Patents

Schwaechungsvorrichtung fuer ein optisches nullspektralphotometer

Info

Publication number
DE2332825A1
DE2332825A1 DE2332825A DE2332825A DE2332825A1 DE 2332825 A1 DE2332825 A1 DE 2332825A1 DE 2332825 A DE2332825 A DE 2332825A DE 2332825 A DE2332825 A DE 2332825A DE 2332825 A1 DE2332825 A1 DE 2332825A1
Authority
DE
Germany
Prior art keywords
plates
rails
rope
distance
limit
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
DE2332825A
Other languages
German (de)
English (en)
Inventor
John Richard Firth
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.)
Pye Electronic Products Ltd
Original Assignee
Pye 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 Pye Ltd filed Critical Pye Ltd
Publication of DE2332825A1 publication Critical patent/DE2332825A1/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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/04—Slit arrangements slit adjustment
    • 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
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J2003/2866—Markers; Calibrating of scan

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE2332825A 1972-07-12 1973-06-28 Schwaechungsvorrichtung fuer ein optisches nullspektralphotometer Pending DE2332825A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3251672*[A GB1414311A (en) 1972-07-12 1972-07-12 Sepctrophotometers

Publications (1)

Publication Number Publication Date
DE2332825A1 true DE2332825A1 (de) 1974-01-31

Family

ID=10339809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2332825A Pending DE2332825A1 (de) 1972-07-12 1973-06-28 Schwaechungsvorrichtung fuer ein optisches nullspektralphotometer

Country Status (7)

Country Link
US (1) US3860328A (https=)
JP (1) JPS4959686A (https=)
AU (1) AU477121B2 (https=)
CA (1) CA1002345A (https=)
DE (1) DE2332825A1 (https=)
FR (1) FR2192299B1 (https=)
GB (1) GB1414311A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5661589A (en) * 1995-02-24 1997-08-26 J. A. Woollam Co. Inc. Bilateral slit assembly, and method of use
CN113741024A (zh) * 2021-08-11 2021-12-03 中国工程物理研究院应用电子学研究所 一种对开式连续变密度衰减器装置及其工作方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2817301B2 (ja) * 1989-12-28 1998-10-30 松下電器産業株式会社 光ヘッド
US5742422A (en) * 1995-09-19 1998-04-21 Inspex, Inc. Adjustable fourier mask

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529898A (en) * 1967-08-28 1970-09-22 Perkin Elmer Corp Mount for optical attenuator
GB1305911A (https=) * 1969-10-17 1973-02-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5661589A (en) * 1995-02-24 1997-08-26 J. A. Woollam Co. Inc. Bilateral slit assembly, and method of use
CN113741024A (zh) * 2021-08-11 2021-12-03 中国工程物理研究院应用电子学研究所 一种对开式连续变密度衰减器装置及其工作方法
CN113741024B (zh) * 2021-08-11 2023-03-28 中国工程物理研究院应用电子学研究所 一种对开式连续变密度衰减器装置及其工作方法

Also Published As

Publication number Publication date
AU5781073A (en) 1975-01-09
US3860328A (en) 1975-01-14
CA1002345A (en) 1976-12-28
AU477121B2 (en) 1976-10-14
FR2192299A1 (https=) 1974-02-08
JPS4959686A (https=) 1974-06-10
FR2192299B1 (https=) 1976-06-18
GB1414311A (en) 1975-11-19

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Legal Events

Date Code Title Description
OD Request for examination
OGA New person/name/address of the applicant
OHN Withdrawal