CA1002345A - Spectrophotometer with adjustable wedge - Google Patents

Spectrophotometer with adjustable wedge

Info

Publication number
CA1002345A
CA1002345A CA175,924A CA175924A CA1002345A CA 1002345 A CA1002345 A CA 1002345A CA 175924 A CA175924 A CA 175924A CA 1002345 A CA1002345 A CA 1002345A
Authority
CA
Canada
Prior art keywords
spectrophotometer
adjustable wedge
wedge
adjustable
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
Application number
CA175,924A
Other languages
English (en)
Other versions
CA175924S (en
Inventor
John R. 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
Application granted granted Critical
Publication of CA1002345A publication Critical patent/CA1002345A/en
Expired 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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Control Of Non-Electrical Variables (AREA)
CA175,924A 1972-07-12 1973-07-09 Spectrophotometer with adjustable wedge Expired CA1002345A (en)

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
CA1002345A true CA1002345A (en) 1976-12-28

Family

ID=10339809

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,924A Expired CA1002345A (en) 1972-07-12 1973-07-09 Spectrophotometer with adjustable wedge

Country Status (7)

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

Families Citing this family (4)

* 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
US5661589A (en) * 1995-02-24 1997-08-26 J. A. Woollam Co. Inc. Bilateral slit assembly, and method of use
US5742422A (en) * 1995-09-19 1998-04-21 Inspex, Inc. Adjustable fourier mask
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

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 (OSRAM) * 1969-10-17 1973-02-07

Also Published As

Publication number Publication date
DE2332825A1 (de) 1974-01-31
FR2192299A1 (OSRAM) 1974-02-08
AU477121B2 (en) 1976-10-14
US3860328A (en) 1975-01-14
JPS4959686A (OSRAM) 1974-06-10
FR2192299B1 (OSRAM) 1976-06-18
GB1414311A (en) 1975-11-19
AU5781073A (en) 1975-01-09

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