Fire damage on carbon fiber materials characterized by THz waves

Nicholas Karpowicz; David Dawes; Mark J. Perry; X.-C. Zhang

doi:10.1117/12.665852

19 May 2006 Fire damage on carbon fiber materials characterized by THz waves

Nicholas Karpowicz, David Dawes, Mark J. Perry, X.-C. Zhang

Proceedings Volume 6212, Terahertz for Military and Security Applications IV; 62120G (2006) https://doi.org/10.1117/12.665852
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

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.

Citation Download Citation

Nicholas Karpowicz, David Dawes, Mark J. Perry, and X.-C. Zhang "Fire damage on carbon fiber materials characterized by THz waves", Proc. SPIE 6212, Terahertz for Military and Security Applications IV, 62120G (19 May 2006); https://doi.org/10.1117/12.665852

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