GB1414311A - Sepctrophotometers - Google Patents

Sepctrophotometers

Info

Publication number
GB1414311A
GB1414311A GB3251672*[A GB3251672A GB1414311A GB 1414311 A GB1414311 A GB 1414311A GB 3251672 A GB3251672 A GB 3251672A GB 1414311 A GB1414311 A GB 1414311A
Authority
GB
United Kingdom
Prior art keywords
wedge
tracks
limits
change
transmittance
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
GB3251672*[A
Other languages
English (en)
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
Priority to GB3251672*[A priority Critical patent/GB1414311A/en
Priority to DE2332825A priority patent/DE2332825A1/de
Priority to AU57810/73A priority patent/AU477121B2/en
Priority to US377067A priority patent/US3860328A/en
Priority to CA175,924A priority patent/CA1002345A/en
Priority to FR7325377A priority patent/FR2192299B1/fr
Priority to JP48078249A priority patent/JPS4959686A/ja
Publication of GB1414311A publication Critical patent/GB1414311A/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)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB3251672*[A 1972-07-12 1972-07-12 Sepctrophotometers Expired GB1414311A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB3251672*[A GB1414311A (en) 1972-07-12 1972-07-12 Sepctrophotometers
DE2332825A DE2332825A1 (de) 1972-07-12 1973-06-28 Schwaechungsvorrichtung fuer ein optisches nullspektralphotometer
AU57810/73A AU477121B2 (en) 1972-07-12 1973-07-06 Improvements in or relating to spectrophotometers
US377067A US3860328A (en) 1972-07-12 1973-07-06 Measuring attenuator for an optical null spectrophotometer
CA175,924A CA1002345A (en) 1972-07-12 1973-07-09 Spectrophotometer with adjustable wedge
FR7325377A FR2192299B1 (https=) 1972-07-12 1973-07-11
JP48078249A JPS4959686A (https=) 1972-07-12 1973-07-11

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
GB1414311A true GB1414311A (en) 1975-11-19

Family

ID=10339809

Family Applications (1)

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

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=)

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 (https=) * 1969-10-17 1973-02-07

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
DE2332825A1 (de) 1974-01-31
JPS4959686A (https=) 1974-06-10
FR2192299B1 (https=) 1976-06-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee