TERAHERTZ TRANSMISSION SPECTRA OF CONDENSATES OF NITRO COMPOUNDS
https://doi.org/10.26583/vestnik.2025.3.8
EDN: TSQODE
Abstract
The work studied terahertz (THz) transmission spectra of hexogen (RDX, cyclotrimethylenetrinitramine) film experimentally and theoretically in the frequency region of the intense characteristic absorption band of RDX ~0.8 THz at different incidence angles (0˚ – 60˚) and polarization of the probing THz radiation. Registration of experimental THz transmission spectra of the RDX sample was carried out using a THz radio vision setup with spectral resolution. For mathematical modeling of the spectra, the method of characteristic matrices of the medium (transfer matrices) was used. It is shown that both in the experimental and in the theoretical THz transmission spectra of the RDX film for all studied incidence angles and polarizations of the probing THz radiation, the manifestation of the hexogen absorption band in the form of a local minimum in the frequency region of ~0.8 THz is clearly observed. The results of the work can be used in the development of terahertz systems designed for the spectral identification of substances in a condensed state.
Supporting agencies: The work was carried out with the support of the National Research Nuclear University MEPhI (the Priority 2030 program).
About the Authors
E. R. Zhivago
National Research Nuclear University “MEPhI”
Russian Federation
Russian Federation
A. A. Plekhanov
National Research Nuclear University “MEPhI”
Russian Federation
Russian Federation
G. E. Kotkovskii
National Research Nuclear University “MEPhI”
Russian Federation
Russian Federation
I. L. Martynov
National Research Nuclear University “MEPhI”
Russian Federation
Russian Federation
S. V. Fadeev
National Research Nuclear University “MEPhI”
Russian Federation
Russian Federation
A. A. Chistyakov
National Research Nuclear University “MEPhI”
Russian Federation
Russian Federation
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For citations:
Zhivago E.R., Plekhanov A.A., Kotkovskii G.E., Martynov I.L., Fadeev S.V., Chistyakov A.A. TERAHERTZ TRANSMISSION SPECTRA OF CONDENSATES OF NITRO COMPOUNDS. Vestnik natsional'nogo issledovatel'skogo yadernogo universiteta "MIFI". 2025;14(3):256-263. (In Russ.) https://doi.org/10.26583/vestnik.2025.3.8. EDN: TSQODE
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