Laser Generation of Narrow Band Ultrasound

  • James W. Wagner
  • John B. DeatonJr.


Laser based sensor systems to replace conventional piezoelectric contact transducers for ultrasonic testing continue under development for applications where contact with the specimen surface is undesirable or impossible. To date, such systems are considerably less sensitive than their piezoelectric counterparts. As a result, a great deal of effort has contributed to the development of a number of interferoroetric transducer systems to detect ultrasound. Increasingly, however, researchers have begun looking at laser ultrasonic sources to see what improvements might be made to enhance overall system sensitivity for laser generation and detection of ultrasound.


Acoustic Signal Surface Acoustic Wave Ultrasonic Signal IEEE Trans Ultrason Ferroelectr Freq Unity Gain Buffer 
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Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • James W. Wagner
    • 1
  • John B. DeatonJr.
  1. 1.Materials Science and EngineeringThe Johns Hopkins UniversityBaltimoreUSA

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