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Proceedings Paper

Fire damage on carbon fiber materials characterized by THz waves
Author(s): Nicholas Karpowicz; David Dawes; Mark J. Perry; X.-C. Zhang
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Paper Abstract

We apply THz imaging technology to evaluate fire damage to a variety of carbon fiber composite samples. The majority of carbon fiber materials have polarization-dependent reflectivities in the THz frequency range, and we show how the polarization dependence changes versus the burn damage level. Additionally, time domain information acquired through a THz time-domain spectroscopy (TDS) system provides further information with which to characterize the damage. The technology is discussed in terms of nondestructive testing applications to the defense and aerospace industries.

Paper Details

Date Published: 19 May 2006
PDF: 8 pages
Proc. SPIE 6212, Terahertz for Military and Security Applications IV, 62120G (19 May 2006); doi: 10.1117/12.665852
Show Author Affiliations
Nicholas Karpowicz, Rensselaer Polytechnic Institute (United States)
David Dawes, Battelle Memorial Institute (United States)
Mark J. Perry, Battelle Memorial Institute (United States)
X.-C. Zhang, Rensselaer Polytechnic Institute (United States)

Published in SPIE Proceedings Vol. 6212:
Terahertz for Military and Security Applications IV
Dwight L. Woolard; R. Jennifer Hwu; Mark J. Rosker; James O. Jensen, Editor(s)

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