Abstract
A method of multi-channel THz spectroscopy and a sample device that embodies the method were developed and described by the authors. The device has two independent THz radiation sources and a single receiving module. The novel method allows detecting preliminary and short-living chemical compounds and therefore to studychemical reaction dynamics. This has been shown by a series of test experiments. The method can be applied to researches in Physics, Chemistry, Astronomy, Medicine, and Biology.
Highlights
The most important and fundamental studies in Chemistry, Biology, and Medicine are based on watching the ways chemical reactions follow
The sources are based on backward wave oscillators (BWO)
We observed a series of chemical reactions C2H5OH + H2O2 → CH3CHO + 2H2O, CH3CHO + H2O2 → CH3COOH + H2O, and 2CH3CHO + O2 → 2CH3COOH
Summary
The most important and fundamental studies in Chemistry, Biology, and Medicine are based on watching the ways chemical reactions follow. Studying of intermediate and shortliving chemical compounds can be conducted with the method of multi-channel terahertz (THz) spectroscopy. The THz spectrometer is based on the method of transient spectroscopy that utilizes the free polarization decay within a gaseous mixture. The gas sample polarizes, under the influence of the THz radiation at the gas resonant frequency. Once the radiation generator frequency is changed to a nonresonant one, the polarized gas emits the very same radiation as the one the polarization has been induced by.
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