Experimental Study of the Drift Motion of SF6 Molecules under the Action of CO2-Laser Radiation

Experiments were continued to study the physical nature of the drift motion of SF 6 molecules under the action of radiation from a repetitively pulsed CO 2 -laser. To explain the physical nature of the effect, such phenomena as a change in the transport cross-section during laser excitation of molec...

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Bibliographic Details
Published inTechnical physics Vol. 69; no. 5; pp. 1456 - 1462
Main Authors Voskoboev, A. A., Kuz’menko, V. A., Mezhevov, V. S., Sautin, A. R.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.05.2024
Springer Nature B.V
Subjects
Carbon dioxide
Classical and Continuum Physics
Drift
Fractionation
Gas mixtures
Lasers
Physics
Physics and Astronomy
Thermal diffusion
Transport phenomena
fractionation of gas mixture
optical tweezers
thermal diffusion
barodiffusion
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Summary:Experiments were continued to study the physical nature of the drift motion of SF 6 molecules under the action of radiation from a repetitively pulsed CO 2 -laser. To explain the physical nature of the effect, such phenomena as a change in the transport cross-section during laser excitation of molecules, the phenomenon of optical tweezers, thermal diffusion are considered. However, the most reasonable physical explanation of the nature of this effect is the fractionation of a gas mixture as a result of gas dynamic diffusion at the front of a cyclically expanding gas (a variant of barodiffusion).
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784224040479