GB8714264D0 - Measuring optical coatings - Google Patents

Measuring optical coatings

Info

Publication number
GB8714264D0
GB8714264D0 GB878714264A GB8714264A GB8714264D0 GB 8714264 D0 GB8714264 D0 GB 8714264D0 GB 878714264 A GB878714264 A GB 878714264A GB 8714264 A GB8714264 A GB 8714264A GB 8714264 D0 GB8714264 D0 GB 8714264D0
Authority
GB
United Kingdom
Prior art keywords
measuring optical
optical coatings
coatings
measuring
optical
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.)
Withdrawn
Application number
GB878714264A
Other versions
GB2192454A (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.)
Intellemetrics Ltd
Original Assignee
Intellemetrics 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
Priority claimed from GB868616058A external-priority patent/GB8616058D0/en
Application filed by Intellemetrics Ltd filed Critical Intellemetrics Ltd
Priority to GB08714264A priority Critical patent/GB2192454A/en
Publication of GB8714264D0 publication Critical patent/GB8714264D0/en
Publication of GB2192454A publication Critical patent/GB2192454A/en
Withdrawn legal-status Critical Current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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/8422—Investigating thin films, e.g. matrix isolation method
    • 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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J2001/4242—Modulated light, e.g. for synchronizing source and detector circuit
    • 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
    • G01N2021/1748—Comparative step being essential in the method
    • 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
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/082—Fibres for a reference path

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (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)
GB08714264A 1986-07-01 1987-06-18 System for measuring optical coatings Withdrawn GB2192454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08714264A GB2192454A (en) 1986-07-01 1987-06-18 System for measuring optical coatings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868616058A GB8616058D0 (en) 1986-07-01 1986-07-01 Measuring optical coatings
GB08714264A GB2192454A (en) 1986-07-01 1987-06-18 System for measuring optical coatings

Publications (2)

Publication Number Publication Date
GB8714264D0 true GB8714264D0 (en) 1987-07-22
GB2192454A GB2192454A (en) 1988-01-13

Family

ID=26290986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08714264A Withdrawn GB2192454A (en) 1986-07-01 1987-06-18 System for measuring optical coatings

Country Status (1)

Country Link
GB (1) GB2192454A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138679C2 (en) * 1991-11-25 1998-07-23 Helmut Dipl Ing Reiser Device for determining visual surface properties
DE4413745A1 (en) * 1994-04-20 1995-10-26 Gramm Gmbh & Co Kg Monitoring object surfaces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1031380A (en) * 1962-07-06 1966-06-02 British Aircraft Corp Ltd Optical density comparator system
GB1254316A (en) * 1967-12-12 1971-11-17 Gaf Corp An improved densitometer
US4365896A (en) * 1980-04-03 1982-12-28 Bethlehem Steel Corp. Optical attenuation monitor system and method
US4511800A (en) * 1983-03-28 1985-04-16 Rca Corporation Optical reflectance method for determining the surface roughness of materials in semiconductor processing
US4631408A (en) * 1984-09-24 1986-12-23 Kollmorgen Technologies Corporation Method of simultaneously determining gauge and orientation of polymer films
JPS61202128A (en) * 1985-03-06 1986-09-06 Hitachi Ltd Semiconductor laser heterodyne interferometer

Also Published As

Publication number Publication date
GB2192454A (en) 1988-01-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)