FI65677C - Holografisk b-avbildningsmetod - Google Patents

Holografisk b-avbildningsmetod Download PDF

Info

Publication number
FI65677C
FI65677C FI810368A FI810368A FI65677C FI 65677 C FI65677 C FI 65677C FI 810368 A FI810368 A FI 810368A FI 810368 A FI810368 A FI 810368A FI 65677 C FI65677 C FI 65677C
Authority
FI
Finland
Prior art keywords
imaging
image
holographic
resolution
wavefront
Prior art date
Application number
FI810368A
Other languages
English (en)
Finnish (fi)
Other versions
FI65677B (fi
FI810368L (fi
Inventor
Esko Alasaarela
Original Assignee
Esko Alasaarela
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 Esko Alasaarela filed Critical Esko Alasaarela
Priority to FI810368A priority Critical patent/FI65677C/fi
Priority to PCT/FI1982/000006 priority patent/WO1982002781A1/en
Priority to DE8282900364T priority patent/DE3272962D1/de
Priority to EP82900364A priority patent/EP0083584B1/de
Priority to JP57500504A priority patent/JPS58500495A/ja
Publication of FI810368L publication Critical patent/FI810368L/fi
Application granted granted Critical
Publication of FI65677B publication Critical patent/FI65677B/fi
Publication of FI65677C publication Critical patent/FI65677C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8965—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques
    • G01S15/897—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques using application of holographic techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52053—Display arrangements
    • G01S7/52057—Cathode ray tube displays
    • G01S7/5206—Two-dimensional coordinated display of distance and direction; B-scan display
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/56—Display arrangements
    • G01S7/62—Cathode-ray tube displays
    • G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Holo Graphy (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
FI810368A 1981-02-09 1981-02-09 Holografisk b-avbildningsmetod FI65677C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI810368A FI65677C (fi) 1981-02-09 1981-02-09 Holografisk b-avbildningsmetod
PCT/FI1982/000006 WO1982002781A1 (en) 1981-02-09 1982-02-08 The holographic b-scan imaging method
DE8282900364T DE3272962D1 (en) 1981-02-09 1982-02-08 Holographic b-scan imaging method
EP82900364A EP0083584B1 (de) 1981-02-09 1982-02-08 Abbildungsverfahren mit holografischer b-abtastung
JP57500504A JPS58500495A (ja) 1981-02-09 1982-02-08 ホログラフイｂ走査作像法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI810368A FI65677C (fi) 1981-02-09 1981-02-09 Holografisk b-avbildningsmetod
FI810368 1981-02-09

Publications (3)

Publication Number Publication Date
FI810368L FI810368L (fi) 1982-08-10
FI65677B FI65677B (fi) 1984-02-29
FI65677C true FI65677C (fi) 1984-06-11

Family

ID=8514107

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810368A FI65677C (fi) 1981-02-09 1981-02-09 Holografisk b-avbildningsmetod

Country Status (5)

Country Link
EP (1) EP0083584B1 (de)
JP (1) JPS58500495A (de)
DE (1) DE3272962D1 (de)
FI (1) FI65677C (de)
WO (1) WO1982002781A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070381A (ja) * 1983-09-28 1985-04-22 Toshiba Corp 超音波映像化装置
JPS6111658A (ja) * 1984-06-28 1986-01-20 Terumo Corp 超音波測定方法およびその装置
WO1993005408A1 (en) * 1991-08-30 1993-03-18 Battelle Memorial Institute High resolution holographic surveillance system
JP3469389B2 (ja) * 1996-03-29 2003-11-25 株式会社トキメック Ｂスコープ画像の連結領域抽出方法及び装置
DE102006027132B4 (de) * 2006-06-02 2010-04-15 BAM Bundesanstalt für Materialforschung und -prüfung Verfahren zum Detektieren von Fehlstellen in Betonbauteilen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE383933B (sv) * 1968-03-06 1976-04-05 Holotron Corp Ultraljudlins och sett att framstella denna
BE795554A (fr) * 1972-02-16 1973-06-18 Siemens Ag Procede pour enregistrer des hologrammes acoustiques, des hologrammes synthetiques, ou des hologrammes a micro-ondes
DE2352672A1 (de) * 1973-10-19 1975-04-30 Siemens Ag Verfahren und anordnung zur aufnahme akustischer hologramme
DE2357889A1 (de) * 1973-11-20 1975-05-28 Siemens Ag Vorrichtung zur gewinnung optischer hologramme
DE2644338C2 (de) * 1976-10-01 1978-10-26 Gesellschaft Fuer Strahlen- Und Umweltforschung Mbh, 8000 Muenchen Verfahren zur Erzeugung von akustischen Hologrammen eines Objektes und Einrichtung zur Durchführung desselben
US4266846A (en) * 1976-12-28 1981-05-12 University Of Delaware Two-dimensional scanners
FR2395534A1 (fr) * 1977-06-24 1979-01-19 Thomson Csf Dispositif d'imagerie acousto-optique a detection holographique coherente en temps reel
US4307929A (en) * 1979-08-29 1981-12-29 Eveleth Jason H Method of scanning a laser beam in a straight line

Also Published As

Publication number Publication date
WO1982002781A1 (en) 1982-08-19
EP0083584B1 (de) 1986-09-03
JPS58500495A (ja) 1983-03-31
FI65677B (fi) 1984-02-29
FI810368L (fi) 1982-08-10
EP0083584A1 (de) 1983-07-20
DE3272962D1 (en) 1986-10-09

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Owner name: ALASAARELA, ESKO