JPS541076A - Method of and apparatus for continuously measuring synthetic filament or optical delay of film - Google Patents

Method of and apparatus for continuously measuring synthetic filament or optical delay of film

Info

Publication number
JPS541076A
JPS541076A JP4472478A JP4472478A JPS541076A JP S541076 A JPS541076 A JP S541076A JP 4472478 A JP4472478 A JP 4472478A JP 4472478 A JP4472478 A JP 4472478A JP S541076 A JPS541076 A JP S541076A
Authority
JP
Japan
Prior art keywords
film
optical delay
continuously measuring
synthetic filament
measuring synthetic
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.)
Granted
Application number
JP4472478A
Other languages
Japanese (ja)
Other versions
JPS6027940B2 (en
Inventor
Henri Harisu Piitaa
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of JPS541076A publication Critical patent/JPS541076A/en
Publication of JPS6027940B2 publication Critical patent/JPS6027940B2/en
Expired 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
    • G01N21/23—Bi-refringence

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Treatment Of Fiber Materials (AREA)
JP4472478A 1977-04-15 1978-04-15 Method and apparatus for continuously measuring optical phase retardation of synthetic filaments or films Expired JPS6027940B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1574277A GB1600376A (en) 1977-04-15 1977-04-15 Method of and apparatus for continuously measuring the optical retardation of synthetic filaments or film
GB15742/77 1977-04-15

Publications (2)

Publication Number Publication Date
JPS541076A true JPS541076A (en) 1979-01-06
JPS6027940B2 JPS6027940B2 (en) 1985-07-02

Family

ID=10064687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4472478A Expired JPS6027940B2 (en) 1977-04-15 1978-04-15 Method and apparatus for continuously measuring optical phase retardation of synthetic filaments or films

Country Status (4)

Country Link
JP (1) JPS6027940B2 (en)
DE (1) DE2816628A1 (en)
FR (1) FR2387445A1 (en)
GB (1) GB1600376A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62203046A (en) * 1986-03-03 1987-09-07 Olympus Optical Co Ltd Apparatus and method for measuring refractive index of substrate for optical recording medium

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080540A1 (en) * 1981-11-30 1983-06-08 Leo Tumerman Method and apparatus for measuring quantities which characterize the optical properties of substances
JPS58173454A (en) * 1982-03-29 1983-10-12 ゼロツクス・コ−ポレ−シヨン Optical detector utilizing polarized light
DE3728210A1 (en) * 1987-08-24 1989-03-16 Sick Optik Elektronik Erwin OPTICAL SCANNER FOR TRANSPARENT RAILWAY MATERIAL

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1437457A (en) * 1965-02-12 1966-05-06 Electronic saccharimeter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62203046A (en) * 1986-03-03 1987-09-07 Olympus Optical Co Ltd Apparatus and method for measuring refractive index of substrate for optical recording medium

Also Published As

Publication number Publication date
FR2387445A1 (en) 1978-11-10
GB1600376A (en) 1981-10-14
DE2816628A1 (en) 1978-10-19
FR2387445B1 (en) 1984-05-04
JPS6027940B2 (en) 1985-07-02

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