Terahertz study of 1,3,5-trinitro-s-triazine by time-domain and Fourier transform infrared spectroscopy

Feng Huang; Schulkin, Brian; Altan, Hakan; Federici, John F.; Gary, Dale; Barat, Robert; Zimdars, David; Chen, Minghan; Tanner, D. B.
December 2004
Applied Physics Letters;12/6/2004, Vol. 85 Issue 23, p5535
Academic Journal
This letter describes the use of THz time-domain spectroscopy (TDS) applied in transmission to the secondary explosive 1,3,5 trinitro-s-triazine. Samples were also subjected to Fourier transform infrared spectroscopy over the same range for comparison. A detailed spectroscopy study is presented. General agreement between results from both methods confirms the absorption features found. A comparison study with computer molecular simulations shows that THz-TDS is sensitive to collective modes or vibrational modes of material.


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