GB2268022B - Polarisation image detection - Google Patents

Polarisation image detection

Info

Publication number
GB2268022B
GB2268022B GB8125282A GB8125282A GB2268022B GB 2268022 B GB2268022 B GB 2268022B GB 8125282 A GB8125282 A GB 8125282A GB 8125282 A GB8125282 A GB 8125282A GB 2268022 B GB2268022 B GB 2268022B
Authority
GB
United Kingdom
Prior art keywords
image detection
polarisation image
polarisation
detection
image
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 - Fee Related
Application number
GB8125282A
Other versions
GB2268022A (en
Inventor
Roy Steven Kalawsky
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.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Publication of GB2268022A publication Critical patent/GB2268022A/en
Application granted granted Critical
Publication of GB2268022B publication Critical patent/GB2268022B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01J4/00—Measuring polarisation of light
    • 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
    • G01N2021/1765—Method using an image detector and processing of image signal
    • G01N2021/177—Detector of the video camera type
    • 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
    • G01N2021/1793—Remote sensing
    • 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
    • G01N2201/02—Mechanical
    • G01N2201/021—Special mounting in general
    • G01N2201/0214—Airborne

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
GB8125282A 1980-08-23 1981-08-19 Polarisation image detection Expired - Fee Related GB2268022B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8027497 1980-08-23

Publications (2)

Publication Number Publication Date
GB2268022A GB2268022A (en) 1993-12-22
GB2268022B true GB2268022B (en) 1994-05-11

Family

ID=10515629

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8125282A Expired - Fee Related GB2268022B (en) 1980-08-23 1981-08-19 Polarisation image detection

Country Status (1)

Country Link
GB (1) GB2268022B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7016040B2 (en) * 2003-09-23 2006-03-21 Raytheon Company Imaging polarimeter sensor with achromatic beam-splitting polarizer
CN103234979B (en) * 2013-04-07 2015-09-09 北京大恒图像视觉有限公司 Vial defect detecting device and point picture device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1149064A (en) * 1966-08-01 1969-04-16 Int Research & Dev Co Ltd Improvements in and relating to means for detecting malignant cells in human and animal tissue
GB1286787A (en) * 1970-04-17 1972-08-23 Fernseh Gmbh Beam-splitting prism system
GB1315286A (en) * 1972-04-12 1973-05-02 Zeiss Jena Veb Carl Polarizing prism
GB1319936A (en) * 1971-08-16 1973-06-13 Union Carbide Corp Laser polarizing beam splitter
GB1409711A (en) * 1971-06-08 1975-10-15 Redifon Ltd Optical systems
GB1472854A (en) * 1973-05-11 1977-05-11 Nat Res Dev Differential optical polarisation detectors

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1149064A (en) * 1966-08-01 1969-04-16 Int Research & Dev Co Ltd Improvements in and relating to means for detecting malignant cells in human and animal tissue
GB1286787A (en) * 1970-04-17 1972-08-23 Fernseh Gmbh Beam-splitting prism system
GB1409711A (en) * 1971-06-08 1975-10-15 Redifon Ltd Optical systems
GB1319936A (en) * 1971-08-16 1973-06-13 Union Carbide Corp Laser polarizing beam splitter
GB1315286A (en) * 1972-04-12 1973-05-02 Zeiss Jena Veb Carl Polarizing prism
GB1472854A (en) * 1973-05-11 1977-05-11 Nat Res Dev Differential optical polarisation detectors

Also Published As

Publication number Publication date
GB2268022A (en) 1993-12-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940811