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Laser-Based Ultrasonics on Gr/Epoxy Composite: Interferometric Detection

  • B. R. Tittmann
  • R. S. Linebarger
  • R. C. AddisonJr.
Chapter
Part of the Review of Progress in Quantitative Nondestructive Evaluation book series

Abstract

The use of non-contact ultrasonic techniques for the inspection of wings, tail sections and fuselages of aircraft in the field environment is an attractive alternative to current contact or squirter approaches. This paper reports on the use of laser generation and detection of ultrasound for flaw detection in Gr/Epoxy composite panels. Laser-based ultrasonics is a well documented technique which has been demonstrated by many researchers [1–8] and is being applied in several industrial areas [9–11].

Keywords

Probe Laser Polarize Beam Splitter Compensation Circuit Interferometric Detection Probe Laser Frequency 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • B. R. Tittmann
    • 1
  • R. S. Linebarger
    • 1
  • R. C. AddisonJr.
    • 1
  1. 1.Rockwell Science CenterThousand OaksUSA

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