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Proceedings Paper

THz spectra of 4-NT and 2, 6-DNT
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Paper Abstract

Terahertz (THz) spectra of two TNT-related compounds (4-NT and 2,6-DNT) are investigated using Fourier transform infrared spectroscopy (FTIR) and THz time-domain spectroscopy (THz-TDS) between 0.1 to 20 THz. The Density Functional Theory (DFT) is applied to calculate the THz spectra of these two compounds. The transmission, diffuse reflection, and calculated spectra are in good agreement. The measured THz resonance lines from the transmission and diffuse reflectance spectra are assigned based on DFT simulation. The observed THz signatures imply that the THz spectrum has potential for standoff detection of explosive and related compounds (ERCs) in the THz range.

Paper Details

Date Published: 19 May 2006
PDF: 7 pages
Proc. SPIE 6212, Terahertz for Military and Security Applications IV, 62120P (19 May 2006); doi: 10.1117/12.666158
Show Author Affiliations
Yunqing Chen, Rensselaer Polytechnic Institute (United States)
Haibo Liu, Rensselaer Polytechnic 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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