DE69031268D1 - Heterodynes photodetektorsystem und dieses photodetektorsystem benutzendes abbildungssystem für transmissionsbilder - Google Patents

Heterodynes photodetektorsystem und dieses photodetektorsystem benutzendes abbildungssystem für transmissionsbilder

Info

Publication number
DE69031268D1
DE69031268D1 DE69031268T DE69031268T DE69031268D1 DE 69031268 D1 DE69031268 D1 DE 69031268D1 DE 69031268 T DE69031268 T DE 69031268T DE 69031268 T DE69031268 T DE 69031268T DE 69031268 D1 DE69031268 D1 DE 69031268D1
Authority
DE
Germany
Prior art keywords
heterodynes
photodector
photodetector
transmission images
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
DE69031268T
Other languages
English (en)
Other versions
DE69031268T2 (de
Inventor
Tsutomu Dai Green Hai Ichimura
Fumio - - Inaba
Masahiro Residence Minam Toida
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.)
Japan Science and Technology Agency
Original Assignee
TOIDA MASAHIRO SENDAI MIYAGI JP
Research Development Corp of Japan
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 TOIDA MASAHIRO SENDAI MIYAGI JP, Research Development Corp of Japan filed Critical TOIDA MASAHIRO SENDAI MIYAGI JP
Publication of DE69031268D1 publication Critical patent/DE69031268D1/de
Application granted granted Critical
Publication of DE69031268T2 publication Critical patent/DE69031268T2/de
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
    • G01N21/59—Transmissivity
    • 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
    • G01N2021/1785—Three dimensional
    • G01N2021/1787—Tomographic, i.e. computerised reconstruction from projective measurements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
DE69031268T 1989-09-26 1990-05-30 Heterodynes photodetektorsystem und dieses photodetektorsystem benutzendes abbildungssystem für transmissionsbilder Expired - Fee Related DE69031268T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1250036A JPH0621868B2 (ja) 1989-09-26 1989-09-26 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
PCT/JP1990/000694 WO1991005239A1 (en) 1989-09-26 1990-05-30 Light receiving system of heterodyne detection and image forming device for light transmission image using said light receiving system

Publications (2)

Publication Number Publication Date
DE69031268D1 true DE69031268D1 (de) 1997-09-18
DE69031268T2 DE69031268T2 (de) 1998-01-29

Family

ID=17201875

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031268T Expired - Fee Related DE69031268T2 (de) 1989-09-26 1990-05-30 Heterodynes photodetektorsystem und dieses photodetektorsystem benutzendes abbildungssystem für transmissionsbilder

Country Status (5)

Country Link
US (1) US5249072A (de)
EP (1) EP0445293B1 (de)
JP (1) JPH0621868B2 (de)
DE (1) DE69031268T2 (de)
WO (1) WO1991005239A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231464A (en) * 1990-03-26 1993-07-27 Research Development Corporation Of Japan Highly directional optical system and optical sectional image forming apparatus employing the same
EP0814334B1 (de) * 1992-07-31 2004-09-29 Fuji Photo Film Co., Ltd. Verfahren und Vorrichtung zur Gewinnung dreidimensionaler Information von Proben
JP3019284B2 (ja) * 1992-08-10 2000-03-13 シャープ株式会社 空間光伝送装置
JP2708381B2 (ja) * 1994-09-30 1998-02-04 文男 稲場 光画像計測装置
US6118396A (en) * 1997-12-24 2000-09-12 Massachusetts Institute Of Technology Optically sampling, demultiplexing, and A/D converting system with improved speed
US20090289833A1 (en) * 2008-05-23 2009-11-26 Johnson Paul A Sparse array millimeter wave imaging system
US8471193B2 (en) 2009-03-05 2013-06-25 Olympus Corporation Photodetection device for detecting low temporal coherence light, photodetection method, microscope and endoscope
JP5390953B2 (ja) * 2009-06-19 2014-01-15 株式会社クボタ 粉粒体の内部品質計測装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198072A (en) * 1975-02-25 1976-08-28 Heterodainhoshiki reeza reedasochi
JPS5335568A (en) * 1976-09-13 1978-04-03 Agency Of Ind Science & Technol Measuring method of tool abrasion by light reflection
US4195221A (en) * 1978-07-03 1980-03-25 The United States Of America As Represented By The Secretary Of The Navy Scanning focused local oscillator optical heterodyne imaging system
US4193088A (en) * 1978-08-02 1980-03-11 The United States Of America As Represented By The Secretary Of The Navy Optical heterodyne system for imaging in a dynamic diffusive medium
DE2852978C3 (de) * 1978-12-07 1981-06-04 Raimund Dr. 4005 Meerbusch Kaufmann Vorrichtung zur spektroskopischen Bestimmung der Geschwindigkeit von in einer Flüssigkeit bewegten Teilchen
US4305666A (en) * 1979-10-24 1981-12-15 Massachusetts Institute Of Technology Optical heterodyne detection system and method
FR2482325A1 (fr) * 1980-05-08 1981-11-13 Thomson Csf Systeme optique d'observation en temps reel a balayage
FR2517839A1 (fr) * 1981-12-07 1983-06-10 Thomson Csf Dispositif de detection heterodyne d'une image optique
JPS6259841A (ja) * 1985-09-10 1987-03-16 Res Dev Corp Of Japan 直線偏光を用いる免疫反応の測定方法および装置
US4707135A (en) * 1986-01-10 1987-11-17 Rockwell International Corporation Apparatus and method for the recording and readout of multiple exposure holograms
CH678108A5 (de) * 1987-04-28 1991-07-31 Wild Leitz Ag
FR2617601B1 (fr) * 1987-07-03 1989-10-20 Thomson Csf Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne
JPS6475928A (en) * 1987-09-17 1989-03-22 Hamamatsu Photonics Kk Optical heterodyne detector
US4820047A (en) * 1987-12-22 1989-04-11 Snyder James J Laser heterodyne apparatus for measuring optical power
US4950070A (en) * 1988-04-08 1990-08-21 Kowa Company Ltd. Ophthalmological diagnosis method and apparatus
JPH01262835A (ja) * 1988-04-15 1989-10-19 Kowa Co 眼科診断方法及び装置
US4955974A (en) * 1988-08-18 1990-09-11 Mcr Technology Corporation Apparatus for generating x-ray holograms
US5014709A (en) * 1989-06-13 1991-05-14 Biologic Systems Corp. Method and apparatus for high resolution holographic imaging of biological tissue
JPH0317535A (ja) * 1989-06-14 1991-01-25 Matsushita Electric Ind Co Ltd 光学的薄膜評価装置
US5052806A (en) * 1990-05-21 1991-10-01 Blue Sky Research, Inc. Apparatus for measuring non-absorptive scattering

Also Published As

Publication number Publication date
EP0445293A1 (de) 1991-09-11
EP0445293A4 (en) 1992-06-03
DE69031268T2 (de) 1998-01-29
WO1991005239A1 (en) 1991-04-18
JPH03111737A (ja) 1991-05-13
US5249072A (en) 1993-09-28
EP0445293B1 (de) 1997-08-13
JPH0621868B2 (ja) 1994-03-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: JAPAN SCIENCE AND TECHNOLOGY CORP., KAWAGUCHI, SAI

8327 Change in the person/name/address of the patent owner

Owner name: JAPAN SCIENCE AND TECHNOLOGY CORP., KAWAGUCHI, SAI

8327 Change in the person/name/address of the patent owner

Owner name: JAPAN SCIENCE AND TECHNOLOGY CORP., KAWAGUCHI, JP

8328 Change in the person/name/address of the agent

Representative=s name: LINDNER BLAUMEIER & KOLLEGEN PATENT- UND RECHTSANW

8328 Change in the person/name/address of the agent

Representative=s name: LINDNER BLAUMEIER PATENT- UND RECHTSANWAELTE, 9040

8339 Ceased/non-payment of the annual fee