An Optical Technique for the Detection and Imaging of Subsurface Defects in Composite Structures using Remote Acoustic Doppler

J. M. WebsterHolographics Inc., 44-01 11th Street, L.I.C., New York, USA

J. MewUniversity of Portsmouth, Department of Information Science, Computer Science Building, Locksway Road, Portsmouth, P04 8JF, UK

M. KalshteynHolographics Inc., 44-01 11th Street, L.I.C., New York, USA

J. SchmidtHolographics Inc., 44-01 11th Street, L.I.C., New York, USA

References

Webster, J. M., “Acoustic wave generating apparatus”. US patent Number 5,616,865. April 1997.
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Webster, J. M., “Method and apparatus for the non-destructive inspection of composite materials and semi-monocoque struc-tures”. US Patent 5,505,090. April 1996.
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Webster, J. M. and Mew, J., “Automatic analysis of defects in composite materials”. US patent filed.
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Webster, J. M. and Kalshteyn, M., “Improvements to acoustic transducer”. US patent pending 1997.
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Mew, J. and Webster, J. M., “Preliminary computational identification of signature frequencies and amplitudes indicative faults in carbon composite samples”, ASNT Spring Conference Houston, Research Section, 1997. Proceedings to be published.
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An Optical Technique for the Detection and Imaging of Subsurface Defects in Composite Structures using Remote Acoustic Doppler

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