GB2436744B - Terahertz imaging system - Google Patents

Terahertz imaging system

Info

Publication number
GB2436744B
GB2436744B GB0707081A GB0707081A GB2436744B GB 2436744 B GB2436744 B GB 2436744B GB 0707081 A GB0707081 A GB 0707081A GB 0707081 A GB0707081 A GB 0707081A GB 2436744 B GB2436744 B GB 2436744B
Authority
GB
United Kingdom
Prior art keywords
imaging system
terahertz imaging
terahertz
imaging
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
GB0707081A
Other versions
GB0707081D0 (en
GB2436744A (en
Inventor
Bryan Edward Cole
Simon John Chandler
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.)
Tera View Ltd
Original Assignee
Tera View 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 Tera View Ltd filed Critical Tera View Ltd
Priority to GB0707081A priority Critical patent/GB2436744B/en
Priority claimed from GB0403272A external-priority patent/GB2411093B/en
Publication of GB0707081D0 publication Critical patent/GB0707081D0/en
Publication of GB2436744A publication Critical patent/GB2436744A/en
Application granted granted Critical
Publication of GB2436744B publication Critical patent/GB2436744B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474—Details of optical heads therefor, e.g. using optical fibres
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • 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
    • G01N21/55—Specular reflectivity
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4709—Backscatter
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474—Details of optical heads therefor, e.g. using optical fibres
    • G01N2021/4742—Details of optical heads therefor, e.g. using optical fibres comprising optical fibres
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • 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
    • G01N2201/022—Casings
    • G01N2201/0221—Portable; cableless; compact; hand-held

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Toxicology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB0707081A 2004-02-13 2004-02-13 Terahertz imaging system Expired - Fee Related GB2436744B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0707081A GB2436744B (en) 2004-02-13 2004-02-13 Terahertz imaging system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0403272A GB2411093B (en) 2004-02-13 2004-02-13 Terahertz imaging system
GB0707081A GB2436744B (en) 2004-02-13 2004-02-13 Terahertz imaging system

Publications (3)

Publication Number Publication Date
GB0707081D0 GB0707081D0 (en) 2007-05-23
GB2436744A GB2436744A (en) 2007-10-03
GB2436744B true GB2436744B (en) 2008-09-10

Family

ID=38116619

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0707081A Expired - Fee Related GB2436744B (en) 2004-02-13 2004-02-13 Terahertz imaging system

Country Status (1)

Country Link
GB (1) GB2436744B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013190350A (en) * 2012-03-14 2013-09-26 Canon Inc Apparatus using electromagnetic wave of terahertz wave band
CN104280396A (en) * 2014-09-29 2015-01-14 苏州赛森电子科技有限公司 Sapphire substrate detection and recognition device suitable for LED production

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138235A (en) * 1983-04-05 1984-10-17 Philips Nv Computed tomography apparatus
US4654749A (en) * 1985-07-30 1987-03-31 Murata Manufacturing Co., Ltd. High-voltage ceramic capacitor and method of producing the same
US4769827A (en) * 1985-02-27 1988-09-06 Yokogawa Medical Systems, Limited CAT scanner
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
US5461476A (en) * 1992-11-30 1995-10-24 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Optical apparatus for receiving scattered light
WO2000075641A1 (en) * 1999-06-04 2000-12-14 Teraview Limited Three dimensional imaging
JP2003075251A (en) * 2001-09-06 2003-03-12 Communication Research Laboratory Detection method and apparatus of terahertz light or the like, and terahertz light apparatus and imaging apparatus using the same
WO2003042670A1 (en) * 2001-11-13 2003-05-22 Rensselaer Polytechnic Institute Method and system for performing three-dimensional teraherz imaging on an object
US20030178584A1 (en) * 2000-02-28 2003-09-25 Arnone Donald Dominic Imaging apparatus and method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138235A (en) * 1983-04-05 1984-10-17 Philips Nv Computed tomography apparatus
US4769827A (en) * 1985-02-27 1988-09-06 Yokogawa Medical Systems, Limited CAT scanner
US4654749A (en) * 1985-07-30 1987-03-31 Murata Manufacturing Co., Ltd. High-voltage ceramic capacitor and method of producing the same
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
US5461476A (en) * 1992-11-30 1995-10-24 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Optical apparatus for receiving scattered light
WO2000075641A1 (en) * 1999-06-04 2000-12-14 Teraview Limited Three dimensional imaging
US20030178584A1 (en) * 2000-02-28 2003-09-25 Arnone Donald Dominic Imaging apparatus and method
JP2003075251A (en) * 2001-09-06 2003-03-12 Communication Research Laboratory Detection method and apparatus of terahertz light or the like, and terahertz light apparatus and imaging apparatus using the same
WO2003042670A1 (en) * 2001-11-13 2003-05-22 Rensselaer Polytechnic Institute Method and system for performing three-dimensional teraherz imaging on an object

Also Published As

Publication number Publication date
GB0707081D0 (en) 2007-05-23
GB2436744A (en) 2007-10-03

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200213