FR2617601B1 - Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne - Google Patents

Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne

Info

Publication number
FR2617601B1
FR2617601B1 FR8709460A FR8709460A FR2617601B1 FR 2617601 B1 FR2617601 B1 FR 2617601B1 FR 8709460 A FR8709460 A FR 8709460A FR 8709460 A FR8709460 A FR 8709460A FR 2617601 B1 FR2617601 B1 FR 2617601B1
Authority
FR
France
Prior art keywords
imaging system
heterodyne detection
detection antenna
antenna properties
transillumination 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
Application number
FR8709460A
Other languages
English (en)
Other versions
FR2617601A1 (fr
Inventor
Daniel Dolfi
Francois Micheron
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8709460A priority Critical patent/FR2617601B1/fr
Priority to PCT/FR1988/000355 priority patent/WO1989000281A1/fr
Publication of FR2617601A1 publication Critical patent/FR2617601A1/fr
Application granted granted Critical
Publication of FR2617601B1 publication Critical patent/FR2617601B1/fr
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
    • G01N21/59—Transmissivity
    • 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
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • 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
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • 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
    • G01N2021/178—Methods for obtaining spatial resolution of the property being measured
    • 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
    • G01N2021/178—Methods for obtaining spatial resolution of the property being measured
    • G01N2021/1785—Three dimensional
    • 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
    • G01N21/5907—Densitometers
    • G01N2021/5957—Densitometers using an image detector type detector, e.g. CCD
    • 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
    • G01N21/5907—Densitometers
    • G01N2021/5969—Scanning of a tube, a cuvette, a volume of sample
    • G01N2021/5973—Scanning of a tube, a cuvette, a volume of sample where the cuvette or tube is moved
    • 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

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)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR8709460A 1987-07-03 1987-07-03 Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne Expired FR2617601B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8709460A FR2617601B1 (fr) 1987-07-03 1987-07-03 Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne
PCT/FR1988/000355 WO1989000281A1 (fr) 1987-07-03 1988-07-01 Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8709460A FR2617601B1 (fr) 1987-07-03 1987-07-03 Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne

Publications (2)

Publication Number Publication Date
FR2617601A1 FR2617601A1 (fr) 1989-01-06
FR2617601B1 true FR2617601B1 (fr) 1989-10-20

Family

ID=9352849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8709460A Expired FR2617601B1 (fr) 1987-07-03 1987-07-03 Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne

Country Status (2)

Country Link
FR (1) FR2617601B1 (fr)
WO (1) WO1989000281A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972331A (en) * 1989-02-06 1990-11-20 Nim, Inc. Phase modulated spectrophotometry
US5553614A (en) * 1988-12-21 1996-09-10 Non-Invasive Technology, Inc. Examination of biological tissue using frequency domain spectroscopy
JPH0621868B2 (ja) * 1989-09-26 1994-03-23 新技術事業団 ヘテロダイン検波結像系及び該結像系を用いた光断層像画像化装置
DE69121633T2 (de) * 1990-05-22 1997-01-16 Japan Res Dev Corp Verfahren und Apparat zur Messung spektraler Absorption in undurchsichtigem Material und Verfahren und Apparat zur Messung einer Verteilung mikroskopischer Absorption
US6246892B1 (en) 1991-01-24 2001-06-12 Non-Invasive Technology Phase modulation spectroscopy
FR2740227B1 (fr) * 1995-10-20 1997-11-07 Thomson Csf Dispositif de detection tomoscopique laser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796495A (en) * 1972-05-30 1974-03-12 Zenith Radio Corp Apparatus and methods for scanning phase profilometry
EP0108497B1 (fr) * 1982-10-08 1987-05-13 National Research Development Corporation Système de sonde à rayonnement
FR2541786A1 (fr) * 1983-02-25 1984-08-31 Thomson Csf Dispositif d'imagerie optique a detection heterodyne

Also Published As

Publication number Publication date
FR2617601A1 (fr) 1989-01-06
WO1989000281A1 (fr) 1989-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse