"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 12, 2018

contents of issue      DOI  10.30898/1684-1719.2018.12.3     full text in Russian (pdf)  

Application of high resolution THz gas spectroscopy for analyzing the composition of grain "odors"


V. L. Vaks 1, E. G. Domracheva 1, S. I. Pripolzin 1, M. B. Chernyaeva 1, V. A. Anfertev 1, A. A. Gavrilova 2, E. V. Dabakhova 2

1 Institute for Physics of Microstructures of the Russian Academy of Sciences, Nizhny Novgorod, GSP-105, 603950, Russia

2 Nizhny Novgorod State Agricultural Academy, 603107, Nizhny Novgorod, Gagarin av., 97


The paper is received on November 26, 2018


Abstract. The basic principles of terahertz high resolution spectroscopy on nonstationary effects (free damping polarization being realized in two modes – phase switching of  radiation influenced on gas and fast frequency sweeping) and types of  spectrometers (a wideband spectrometer, a marker detector for registering certain gases, a two-channel spectrometer with two independent radiation sources (118-178 GHz, 330-390 GHz) and one detector) for analysis of multicomponent gas mixtures are considered. The possibility of using terahertz high resolution spectroscopy in agricultural applications such as analysis of grain odors for developing the methods of quality control and diagnostics of grain mycosis degree is considered. The results of application of terahertz high resolution spectroscopy methods for investigations of grain odors content are presented.

Key words: high resolution terahertz spectroscopy, phase switching, fast frequency sweeping, multicomponent gas mixture, grain cultures.


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For citation:

V. L. Vaks, E. G. Domracheva, S. I. Pripolzin, M. B. Chernyaeva, V. A. Anfertev, A. A. Gavrilova, E. V. Dabakhova. Application of high resolution THz gas spectroscopy for analyzing the composition of grain "odors". Zhurnal Radioelektroniki - Journal of Radio Electronics. 2018. No. 12. Available at http://jre.cplire.ru/jre/dec18/3/text.pdf

DOI  10.30898/1684-1719.2018.12.3