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Proceedings Paper

Reflection shearography for nondestructive evaluation
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Paper Abstract

Conventional nondestructive evaluation (NDE) techniques include visual inspection, eddy current scanning, ultrasonics, and fluorescent dye penetration. These techniques are limited to local evaluation, often miss small buried defects, and are useful only on polished surfaces. Advanced NDE techniques include laser ultrasonics, holographic interferometry, structural integrity monitoring, shearography, and thermography. A variation of shearography, employing reflective shearographic interferometry, has been developed. This new shearographic interferometer is discussed, together with models to optimize its performance and experiments demonstrating its use in NDE.

Paper Details

Date Published: 2 September 2004
PDF: 9 pages
Proc. SPIE 5422, Unmanned Ground Vehicle Technology VI, (2 September 2004); doi: 10.1117/12.543840
Show Author Affiliations
Russell M. Kurtz, Physical Optics Corp. (United States)
Michael A. Piliavin, Physical Optics Corp. (United States)
Ranjit D. Pradhan, Physical Optics Corp. (United States)
Tin M. Aye, Physical Optics Corp. (United States)
Gajendra D. Savant, Physical Optics Corp. (United States)
Tomasz P. Jannson, Physical Optics Corp. (United States)
Steffen Hergert, Univ. of Stuttgart (Germany)


Published in SPIE Proceedings Vol. 5422:
Unmanned Ground Vehicle Technology VI
Grant R. Gerhart; Chuck M. Shoemaker; Douglas W. Gage, Editor(s)

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