JPH0122576B2 - - Google Patents

Info

Publication number
JPH0122576B2
JPH0122576B2 JP13269283A JP13269283A JPH0122576B2 JP H0122576 B2 JPH0122576 B2 JP H0122576B2 JP 13269283 A JP13269283 A JP 13269283A JP 13269283 A JP13269283 A JP 13269283A JP H0122576 B2 JPH0122576 B2 JP H0122576B2
Authority
JP
Japan
Prior art keywords
light
beam splitter
polarized
polarizing beam
component
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
JP13269283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6025445A (ja
Inventor
Shokichi Tokumaru
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP13269283A priority Critical patent/JPS6025445A/ja
Priority to EP84304868A priority patent/EP0132370B1/en
Priority to DE8484304868T priority patent/DE3477514D1/de
Publication of JPS6025445A publication Critical patent/JPS6025445A/ja
Priority to US06/946,520 priority patent/US4726684A/en
Publication of JPH0122576B2 publication Critical patent/JPH0122576B2/ja
Granted 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
    • G01N21/21—Polarisation-affecting properties
    • 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
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • 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
    • G01J2001/1668—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors the measuring signal itself varying in time, e.g. periodic, for example blood pulsation
    • 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
    • G01N21/59—Transmissivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/066—Modifiable path; multiple paths in one sample
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0696—Pulsed

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP13269283A 1983-07-22 1983-07-22 光透過率測定装置 Granted JPS6025445A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP13269283A JPS6025445A (ja) 1983-07-22 1983-07-22 光透過率測定装置
EP84304868A EP0132370B1 (en) 1983-07-22 1984-07-17 Apparatus for measuring optical transmission factor
DE8484304868T DE3477514D1 (en) 1983-07-22 1984-07-17 Apparatus for measuring optical transmission factor
US06/946,520 US4726684A (en) 1983-07-22 1986-12-24 Measurement apparatus for optical transmission factor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13269283A JPS6025445A (ja) 1983-07-22 1983-07-22 光透過率測定装置

Publications (2)

Publication Number Publication Date
JPS6025445A JPS6025445A (ja) 1985-02-08
JPH0122576B2 true JPH0122576B2 (enrdf_load_html_response) 1989-04-27

Family

ID=15087302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13269283A Granted JPS6025445A (ja) 1983-07-22 1983-07-22 光透過率測定装置

Country Status (1)

Country Link
JP (1) JPS6025445A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113720809B (zh) * 2021-09-16 2025-03-21 京东方科技集团股份有限公司 透过率测试设备

Also Published As

Publication number Publication date
JPS6025445A (ja) 1985-02-08

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