ATE549617T1 - Gerät und verfahren zur laser-ultraschall frequenzkontrolle unter verwendung optimaler wellenlängenabstimmung - Google Patents

Gerät und verfahren zur laser-ultraschall frequenzkontrolle unter verwendung optimaler wellenlängenabstimmung

Info

Publication number
ATE549617T1
ATE549617T1 AT00953691T AT00953691T ATE549617T1 AT E549617 T1 ATE549617 T1 AT E549617T1 AT 00953691 T AT00953691 T AT 00953691T AT 00953691 T AT00953691 T AT 00953691T AT E549617 T1 ATE549617 T1 AT E549617T1
Authority
AT
Austria
Prior art keywords
laser pulse
optimal wavelength
optimal
laser
frequency control
Prior art date
Application number
AT00953691T
Other languages
English (en)
Inventor
Marc Dubois
Peter Lorraine
Barbara Venchiarutti
Robert Filkins
Anthony Bauco
Original Assignee
Lockheed Corp
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 Lockheed Corp filed Critical Lockheed Corp
Application granted granted Critical
Publication of ATE549617T1 publication Critical patent/ATE549617T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0231—Composite or layered materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2694—Wings or other aircraft parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Semiconductor Lasers (AREA)
AT00953691T 1999-07-27 2000-07-27 Gerät und verfahren zur laser-ultraschall frequenzkontrolle unter verwendung optimaler wellenlängenabstimmung ATE549617T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/361,768 US6176135B1 (en) 1999-07-27 1999-07-27 System and method for laser-ultrasonic frequency control using optimal wavelength tuning
PCT/US2000/020404 WO2001007906A1 (en) 1999-07-27 2000-07-27 Device and method for laser-ultrasonic frequency control using optimal wavelength tuning

Publications (1)

Publication Number Publication Date
ATE549617T1 true ATE549617T1 (de) 2012-03-15

Family

ID=23423376

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00953691T ATE549617T1 (de) 1999-07-27 2000-07-27 Gerät und verfahren zur laser-ultraschall frequenzkontrolle unter verwendung optimaler wellenlängenabstimmung

Country Status (7)

Country Link
US (1) US6176135B1 (de)
EP (1) EP1203230B1 (de)
AT (1) ATE549617T1 (de)
AU (1) AU6609500A (de)
CA (1) CA2379279C (de)
TW (1) TW455686B (de)
WO (1) WO2001007906A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6668654B2 (en) * 2001-08-15 2003-12-30 Lockheed Martin Corporation Method and apparatus for generating specific frequency response for ultrasound testing
US7117134B2 (en) * 2001-10-18 2006-10-03 Lockheed Martin Corporation Method to optimize generation of ultrasound using mathematical modeling for laser ultrasound inspection
KR100624081B1 (ko) * 2002-01-31 2006-09-19 캐논 가부시끼가이샤 레이저장치, 노광장치 및 노광방법
US7474411B2 (en) * 2003-11-07 2009-01-06 Lockheed Martin Corporation System and method to reduce laser noise for improved interferometric laser ultrasound detection
US20070015992A1 (en) * 2005-06-30 2007-01-18 General Electric Company System and method for optoacoustic imaging
US7747833B2 (en) * 2005-09-30 2010-06-29 Mosaid Technologies Incorporated Independent link and bank selection
US8113056B2 (en) * 2008-05-15 2012-02-14 Lockheed Martin Corporation Mid-IR laser for generation of ultrasound using a CO2 laser and harmonic generation
US7821646B2 (en) * 2008-05-15 2010-10-26 Lockheed Martin Corporation Method and apparatus for generating mid-IR laser beam for ultrasound inspection
US7734133B2 (en) * 2008-05-15 2010-06-08 Lockheed Martin Corporation Hollow core waveguide for laser generation of ultrasonic waves
US8054470B2 (en) * 2008-05-15 2011-11-08 Lockheed Martin Corporation Method and apparatus for spectroscopic characterization of samples using a laser-ultrasound system
US8243280B2 (en) * 2008-05-20 2012-08-14 Iphoton Solutions, Llc Laser ultrasonic measurement system with movable beam delivery
WO2012019189A2 (en) 2010-08-06 2012-02-09 Par Systems, Inc. Containerized systems
CN106338423B (zh) 2015-07-10 2020-07-14 三斯坎公司 组织学染色的空间复用
US10018113B2 (en) * 2015-11-11 2018-07-10 General Electric Company Ultrasonic cleaning system and method
EP4312060A1 (de) * 2022-07-26 2024-01-31 Nokia Technologies Oy Materialempfindliches lidar

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683750A (en) * 1984-11-07 1987-08-04 The Board Of Trustees Of The Leland Stanford Junior University Thermal acoustic probe
US4633715A (en) * 1985-05-08 1987-01-06 Canadian Patents And Development Limited - Societe Canadienne Des Brevets Et D'exploitation Limitee Laser heterodyne interferometric method and system for measuring ultrasonic displacements
US5287291A (en) * 1991-09-03 1994-02-15 Krautkramer-Branson, Incorporated Quiet bus for the busing of analog and digital data
US5583877A (en) * 1995-05-09 1996-12-10 Ophir Corporation Method and apparatus for generating high power laser pulses in the two to six micron wavelength range
US5608166A (en) * 1995-10-12 1997-03-04 National Research Council Of Canada Generation and detection of ultrasound with long pulse lasers
US5814730A (en) * 1996-06-10 1998-09-29 Institute Of Paper Science And Technology And Georgia Institute Of Technology Material characteristic testing method and apparatus using interferometry to detect ultrasonic signals in a web
US5982482A (en) * 1997-07-31 1999-11-09 Massachusetts Institute Of Technology Determining the presence of defects in thin film structures

Also Published As

Publication number Publication date
AU6609500A (en) 2001-02-13
WO2001007906A1 (en) 2001-02-01
US6176135B1 (en) 2001-01-23
CA2379279C (en) 2008-07-15
TW455686B (en) 2001-09-21
EP1203230B1 (de) 2012-03-14
CA2379279A1 (en) 2001-02-01
EP1203230A1 (de) 2002-05-08

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